diff options
Diffstat (limited to 'arch/mips')
43 files changed, 417 insertions, 288 deletions
diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig index 52c80c2a57f..e61465a18c7 100644 --- a/arch/mips/Kconfig +++ b/arch/mips/Kconfig @@ -351,7 +351,7 @@ config SGI_IP27 select ARC64 select BOOT_ELF64 select DEFAULT_SGI_PARTITION - select DMA_IP27 + select DMA_COHERENT select SYS_HAS_EARLY_PRINTK select HW_HAS_PCI select NR_CPUS_DEFAULT_64 @@ -603,7 +603,7 @@ config CAVIUM_OCTEON_SIMULATOR select SYS_SUPPORTS_64BIT_KERNEL select SYS_SUPPORTS_BIG_ENDIAN select SYS_SUPPORTS_HIGHMEM - select CPU_CAVIUM_OCTEON + select SYS_HAS_CPU_CAVIUM_OCTEON help The Octeon simulator is software performance model of the Cavium Octeon Processor. It supports simulating Octeon processors on x86 @@ -618,7 +618,7 @@ config CAVIUM_OCTEON_REFERENCE_BOARD select SYS_SUPPORTS_BIG_ENDIAN select SYS_SUPPORTS_HIGHMEM select SYS_HAS_EARLY_PRINTK - select CPU_CAVIUM_OCTEON + select SYS_HAS_CPU_CAVIUM_OCTEON select SWAP_IO_SPACE help This option supports all of the Octeon reference boards from Cavium @@ -761,9 +761,6 @@ config CFE config DMA_COHERENT bool -config DMA_IP27 - bool - config DMA_NONCOHERENT bool select DMA_NEED_PCI_MAP_STATE @@ -1237,6 +1234,7 @@ config CPU_SB1 config CPU_CAVIUM_OCTEON bool "Cavium Octeon processor" + depends on SYS_HAS_CPU_CAVIUM_OCTEON select IRQ_CPU select IRQ_CPU_OCTEON select CPU_HAS_PREFETCH @@ -1317,6 +1315,9 @@ config SYS_HAS_CPU_RM9000 config SYS_HAS_CPU_SB1 bool +config SYS_HAS_CPU_CAVIUM_OCTEON + bool + # # CPU may reorder R->R, R->W, W->R, W->W # Reordering beyond LL and SC is handled in WEAK_REORDERING_BEYOND_LLSC @@ -1368,7 +1369,7 @@ config CPU_SUPPORTS_64BIT_KERNEL # config HARDWARE_WATCHPOINTS bool - default y if CPU_MIPS32 || CPU_MIPS64 + default y if CPU_MIPSR1 || CPU_MIPSR2 menu "Kernel type" @@ -1390,6 +1391,7 @@ config 32BIT config 64BIT bool "64-bit kernel" depends on CPU_SUPPORTS_64BIT_KERNEL && SYS_SUPPORTS_64BIT_KERNEL + select HAVE_SYSCALL_WRAPPERS help Select this option if you want to build a 64-bit kernel. diff --git a/arch/mips/alchemy/common/time.c b/arch/mips/alchemy/common/time.c index 32880146cbc..f58d4ffb894 100644 --- a/arch/mips/alchemy/common/time.c +++ b/arch/mips/alchemy/common/time.c @@ -89,7 +89,7 @@ static struct clock_event_device au1x_rtcmatch2_clockdev = { .irq = AU1000_RTC_MATCH2_INT, .set_next_event = au1x_rtcmatch2_set_next_event, .set_mode = au1x_rtcmatch2_set_mode, - .cpumask = CPU_MASK_ALL, + .cpumask = CPU_MASK_ALL_PTR, }; static struct irqaction au1x_rtcmatch2_irqaction = { @@ -118,7 +118,7 @@ void __init plat_time_init(void) * setup counter 1 (RTC) to tick at full speed */ t = 0xffffff; - while ((au_readl(SYS_COUNTER_CNTRL) & SYS_CNTRL_T1S) && t--) + while ((au_readl(SYS_COUNTER_CNTRL) & SYS_CNTRL_T1S) && --t) asm volatile ("nop"); if (!t) goto cntr_err; @@ -127,7 +127,7 @@ void __init plat_time_init(void) au_sync(); t = 0xffffff; - while ((au_readl(SYS_COUNTER_CNTRL) & SYS_CNTRL_C1S) && t--) + while ((au_readl(SYS_COUNTER_CNTRL) & SYS_CNTRL_C1S) && --t) asm volatile ("nop"); if (!t) goto cntr_err; @@ -135,7 +135,7 @@ void __init plat_time_init(void) au_sync(); t = 0xffffff; - while ((au_readl(SYS_COUNTER_CNTRL) & SYS_CNTRL_C1S) && t--) + while ((au_readl(SYS_COUNTER_CNTRL) & SYS_CNTRL_C1S) && --t) asm volatile ("nop"); if (!t) goto cntr_err; diff --git a/arch/mips/cavium-octeon/setup.c b/arch/mips/cavium-octeon/setup.c index e085feddb4a..5f4e49ba471 100644 --- a/arch/mips/cavium-octeon/setup.c +++ b/arch/mips/cavium-octeon/setup.c @@ -15,13 +15,11 @@ #include <linux/serial.h> #include <linux/types.h> #include <linux/string.h> /* for memset */ -#include <linux/serial.h> #include <linux/tty.h> #include <linux/time.h> #include <linux/platform_device.h> #include <linux/serial_core.h> #include <linux/serial_8250.h> -#include <linux/string.h> #include <asm/processor.h> #include <asm/reboot.h> diff --git a/arch/mips/configs/bigsur_defconfig b/arch/mips/configs/bigsur_defconfig index a3bbbf067a3..783da855a2e 100644 --- a/arch/mips/configs/bigsur_defconfig +++ b/arch/mips/configs/bigsur_defconfig @@ -959,7 +959,7 @@ CONFIG_I2C_SIBYTE=y # Miscellaneous I2C Chip support # # CONFIG_DS1682 is not set -CONFIG_SENSORS_EEPROM=y +CONFIG_EEPROM_LEGACY=y CONFIG_SENSORS_PCF8574=y # CONFIG_PCF8575 is not set CONFIG_SENSORS_PCF8591=y diff --git a/arch/mips/configs/emma2rh_defconfig b/arch/mips/configs/emma2rh_defconfig index 634bb4eaf13..fea9bc9865a 100644 --- a/arch/mips/configs/emma2rh_defconfig +++ b/arch/mips/configs/emma2rh_defconfig @@ -996,7 +996,7 @@ CONFIG_I2C_CHARDEV=y # # CONFIG_SENSORS_DS1337 is not set # CONFIG_SENSORS_DS1374 is not set -# CONFIG_SENSORS_EEPROM is not set +# CONFIG_EEPROM_LEGACY is not set # CONFIG_SENSORS_PCF8574 is not set # CONFIG_SENSORS_PCA9539 is not set # CONFIG_SENSORS_PCF8591 is not set diff --git a/arch/mips/configs/fulong_defconfig b/arch/mips/configs/fulong_defconfig index b6698a232ae..786a9bc9a69 100644 --- a/arch/mips/configs/fulong_defconfig +++ b/arch/mips/configs/fulong_defconfig @@ -1006,8 +1006,8 @@ CONFIG_I2C_VIAPRO=m # Miscellaneous I2C Chip support # # CONFIG_DS1682 is not set -# CONFIG_AT24 is not set -# CONFIG_SENSORS_EEPROM is not set +# CONFIG_EEPROM_AT24 is not set +# CONFIG_EEPROM_LEGACY is not set # CONFIG_SENSORS_PCF8574 is not set # CONFIG_PCF8575 is not set # CONFIG_SENSORS_PCA9539 is not set diff --git a/arch/mips/configs/ip27_defconfig b/arch/mips/configs/ip27_defconfig index 34ea319be94..f2baea3039b 100644 --- a/arch/mips/configs/ip27_defconfig +++ b/arch/mips/configs/ip27_defconfig @@ -53,7 +53,7 @@ CONFIG_GENERIC_TIME=y CONFIG_SCHED_NO_NO_OMIT_FRAME_POINTER=y CONFIG_GENERIC_HARDIRQS_NO__DO_IRQ=y CONFIG_ARC=y -CONFIG_DMA_IP27=y +CONFIG_DMA_COHERENT=y CONFIG_EARLY_PRINTK=y CONFIG_SYS_HAS_EARLY_PRINTK=y # CONFIG_NO_IOPORT is not set diff --git a/arch/mips/configs/msp71xx_defconfig b/arch/mips/configs/msp71xx_defconfig index dd13db4d0fb..84d6491b3d4 100644 --- a/arch/mips/configs/msp71xx_defconfig +++ b/arch/mips/configs/msp71xx_defconfig @@ -929,7 +929,7 @@ CONFIG_I2C_PMCMSP=y # # CONFIG_SENSORS_DS1337 is not set # CONFIG_SENSORS_DS1374 is not set -# CONFIG_SENSORS_EEPROM is not set +# CONFIG_EEPROM_LEGACY is not set # CONFIG_SENSORS_PCF8574 is not set CONFIG_PMCTWILED=y # CONFIG_SENSORS_PCA9539 is not set diff --git a/arch/mips/configs/mtx1_defconfig b/arch/mips/configs/mtx1_defconfig index db9272677aa..8426d3b9501 100644 --- a/arch/mips/configs/mtx1_defconfig +++ b/arch/mips/configs/mtx1_defconfig @@ -1845,7 +1845,7 @@ CONFIG_I2C_VOODOO3=m CONFIG_SENSORS_DS1337=m CONFIG_SENSORS_DS1374=m # CONFIG_DS1682 is not set -CONFIG_SENSORS_EEPROM=m +CONFIG_EEPROM_LEGACY=m CONFIG_SENSORS_PCF8574=m CONFIG_SENSORS_PCA9539=m CONFIG_SENSORS_PCF8591=m @@ -1872,7 +1872,7 @@ CONFIG_SPI_BUTTERFLY=m # # SPI Protocol Masters # -# CONFIG_SPI_AT25 is not set +# CONFIG_EEPROM_AT25 is not set # CONFIG_SPI_SPIDEV is not set # CONFIG_SPI_TLE62X0 is not set CONFIG_W1=m diff --git a/arch/mips/configs/pnx8335-stb225_defconfig b/arch/mips/configs/pnx8335-stb225_defconfig index d9536522cff..2728caa6c2f 100644 --- a/arch/mips/configs/pnx8335-stb225_defconfig +++ b/arch/mips/configs/pnx8335-stb225_defconfig @@ -640,8 +640,8 @@ CONFIG_I2C_CHARDEV=y # Miscellaneous I2C Chip support # # CONFIG_DS1682 is not set -# CONFIG_AT24 is not set -# CONFIG_SENSORS_EEPROM is not set +# CONFIG_EEPROM_AT24 is not set +# CONFIG_EEPROM_LEGACY is not set # CONFIG_SENSORS_PCF8574 is not set # CONFIG_PCF8575 is not set # CONFIG_SENSORS_PCA9539 is not set diff --git a/arch/mips/configs/rbtx49xx_defconfig b/arch/mips/configs/rbtx49xx_defconfig index c7c0864b8ce..83d5c58662c 100644 --- a/arch/mips/configs/rbtx49xx_defconfig +++ b/arch/mips/configs/rbtx49xx_defconfig @@ -522,7 +522,7 @@ CONFIG_SPI_TXX9=y # # SPI Protocol Masters # -CONFIG_SPI_AT25=y +CONFIG_EEPROM_AT25=y # CONFIG_SPI_TLE62X0 is not set CONFIG_HAVE_GPIO_LIB=y diff --git a/arch/mips/include/asm/atomic.h b/arch/mips/include/asm/atomic.h index c996c3b4d07..1b332e15ab5 100644 --- a/arch/mips/include/asm/atomic.h +++ b/arch/mips/include/asm/atomic.h @@ -50,7 +50,7 @@ static __inline__ void atomic_add(int i, atomic_t * v) { if (cpu_has_llsc && R10000_LLSC_WAR) { - unsigned long temp; + int temp; __asm__ __volatile__( " .set mips3 \n" @@ -62,7 +62,7 @@ static __inline__ void atomic_add(int i, atomic_t * v) : "=&r" (temp), "=m" (v->counter) : "Ir" (i), "m" (v->counter)); } else if (cpu_has_llsc) { - unsigned long temp; + int temp; __asm__ __volatile__( " .set mips3 \n" @@ -95,7 +95,7 @@ static __inline__ void atomic_add(int i, atomic_t * v) static __inline__ void atomic_sub(int i, atomic_t * v) { if (cpu_has_llsc && R10000_LLSC_WAR) { - unsigned long temp; + int temp; __asm__ __volatile__( " .set mips3 \n" @@ -107,7 +107,7 @@ static __inline__ void atomic_sub(int i, atomic_t * v) : "=&r" (temp), "=m" (v->counter) : "Ir" (i), "m" (v->counter)); } else if (cpu_has_llsc) { - unsigned long temp; + int temp; __asm__ __volatile__( " .set mips3 \n" @@ -135,12 +135,12 @@ static __inline__ void atomic_sub(int i, atomic_t * v) */ static __inline__ int atomic_add_return(int i, atomic_t * v) { - unsigned long result; + int result; smp_llsc_mb(); if (cpu_has_llsc && R10000_LLSC_WAR) { - unsigned long temp; + int temp; __asm__ __volatile__( " .set mips3 \n" @@ -154,7 +154,7 @@ static __inline__ int atomic_add_return(int i, atomic_t * v) : "Ir" (i), "m" (v->counter) : "memory"); } else if (cpu_has_llsc) { - unsigned long temp; + int temp; __asm__ __volatile__( " .set mips3 \n" @@ -187,12 +187,12 @@ static __inline__ int atomic_add_return(int i, atomic_t * v) static __inline__ int atomic_sub_return(int i, atomic_t * v) { - unsigned long result; + int result; smp_llsc_mb(); if (cpu_has_llsc && R10000_LLSC_WAR) { - unsigned long temp; + int temp; __asm__ __volatile__( " .set mips3 \n" @@ -206,7 +206,7 @@ static __inline__ int atomic_sub_return(int i, atomic_t * v) : "Ir" (i), "m" (v->counter) : "memory"); } else if (cpu_has_llsc) { - unsigned long temp; + int temp; __asm__ __volatile__( " .set mips3 \n" @@ -247,12 +247,12 @@ static __inline__ int atomic_sub_return(int i, atomic_t * v) */ static __inline__ int atomic_sub_if_positive(int i, atomic_t * v) { - unsigned long result; + int result; smp_llsc_mb(); if (cpu_has_llsc && R10000_LLSC_WAR) { - unsigned long temp; + int temp; __asm__ __volatile__( " .set mips3 \n" @@ -270,7 +270,7 @@ static __inline__ int atomic_sub_if_positive(int i, atomic_t * v) : "Ir" (i), "m" (v->counter) : "memory"); } else if (cpu_has_llsc) { - unsigned long temp; + int temp; __asm__ __volatile__( " .set mips3 \n" @@ -429,7 +429,7 @@ static __inline__ int atomic_add_unless(atomic_t *v, int a, int u) static __inline__ void atomic64_add(long i, atomic64_t * v) { if (cpu_has_llsc && R10000_LLSC_WAR) { - unsigned long temp; + long temp; __asm__ __volatile__( " .set mips3 \n" @@ -441,7 +441,7 @@ static __inline__ void atomic64_add(long i, atomic64_t * v) : "=&r" (temp), "=m" (v->counter) : "Ir" (i), "m" (v->counter)); } else if (cpu_has_llsc) { - unsigned long temp; + long temp; __asm__ __volatile__( " .set mips3 \n" @@ -474,7 +474,7 @@ static __inline__ void atomic64_add(long i, atomic64_t * v) static __inline__ void atomic64_sub(long i, atomic64_t * v) { if (cpu_has_llsc && R10000_LLSC_WAR) { - unsigned long temp; + long temp; __asm__ __volatile__( " .set mips3 \n" @@ -486,7 +486,7 @@ static __inline__ void atomic64_sub(long i, atomic64_t * v) : "=&r" (temp), "=m" (v->counter) : "Ir" (i), "m" (v->counter)); } else if (cpu_has_llsc) { - unsigned long temp; + long temp; __asm__ __volatile__( " .set mips3 \n" @@ -514,12 +514,12 @@ static __inline__ void atomic64_sub(long i, atomic64_t * v) */ static __inline__ long atomic64_add_return(long i, atomic64_t * v) { - unsigned long result; + long result; smp_llsc_mb(); if (cpu_has_llsc && R10000_LLSC_WAR) { - unsigned long temp; + long temp; __asm__ __volatile__( " .set mips3 \n" @@ -533,7 +533,7 @@ static __inline__ long atomic64_add_return(long i, atomic64_t * v) : "Ir" (i), "m" (v->counter) : "memory"); } else if (cpu_has_llsc) { - unsigned long temp; + long temp; __asm__ __volatile__( " .set mips3 \n" @@ -566,12 +566,12 @@ static __inline__ long atomic64_add_return(long i, atomic64_t * v) static __inline__ long atomic64_sub_return(long i, atomic64_t * v) { - unsigned long result; + long result; smp_llsc_mb(); if (cpu_has_llsc && R10000_LLSC_WAR) { - unsigned long temp; + long temp; __asm__ __volatile__( " .set mips3 \n" @@ -585,7 +585,7 @@ static __inline__ long atomic64_sub_return(long i, atomic64_t * v) : "Ir" (i), "m" (v->counter) : "memory"); } else if (cpu_has_llsc) { - unsigned long temp; + long temp; __asm__ __volatile__( " .set mips3 \n" @@ -626,12 +626,12 @@ static __inline__ long atomic64_sub_return(long i, atomic64_t * v) */ static __inline__ long atomic64_sub_if_positive(long i, atomic64_t * v) { - unsigned long result; + long result; smp_llsc_mb(); if (cpu_has_llsc && R10000_LLSC_WAR) { - unsigned long temp; + long temp; __asm__ __volatile__( " .set mips3 \n" @@ -649,7 +649,7 @@ static __inline__ long atomic64_sub_if_positive(long i, atomic64_t * v) : "Ir" (i), "m" (v->counter) : "memory"); } else if (cpu_has_llsc) { - unsigned long temp; + long temp; __asm__ __volatile__( " .set mips3 \n" diff --git a/arch/mips/include/asm/mach-rc32434/gpio.h b/arch/mips/include/asm/mach-rc32434/gpio.h index b5cf6457305..3cb50d17b62 100644 --- a/arch/mips/include/asm/mach-rc32434/gpio.h +++ b/arch/mips/include/asm/mach-rc32434/gpio.h @@ -80,11 +80,8 @@ struct rb532_gpio_reg { /* Compact Flash GPIO pin */ #define CF_GPIO_NUM 13 -extern void set_434_reg(unsigned reg_offs, unsigned bit, unsigned len, unsigned val); -extern unsigned get_434_reg(unsigned reg_offs); -extern void set_latch_u5(unsigned char or_mask, unsigned char nand_mask); -extern unsigned char get_latch_u5(void); extern void rb532_gpio_set_ilevel(int bit, unsigned gpio); extern void rb532_gpio_set_istat(int bit, unsigned gpio); +extern void rb532_gpio_set_func(unsigned gpio); #endif /* _RC32434_GPIO_H_ */ diff --git a/arch/mips/include/asm/mach-rc32434/irq.h b/arch/mips/include/asm/mach-rc32434/irq.h index 56738d8ec4e..023a5b100ed 100644 --- a/arch/mips/include/asm/mach-rc32434/irq.h +++ b/arch/mips/include/asm/mach-rc32434/irq.h @@ -30,4 +30,7 @@ #define ETH0_RX_OVR_IRQ (GROUP3_IRQ_BASE + 9) #define ETH0_TX_UND_IRQ (GROUP3_IRQ_BASE + 10) +#define GPIO_MAPPED_IRQ_BASE GROUP4_IRQ_BASE +#define GPIO_MAPPED_IRQ_GROUP 4 + #endif /* __ASM_RC32434_IRQ_H */ diff --git a/arch/mips/include/asm/mach-rc32434/rb.h b/arch/mips/include/asm/mach-rc32434/rb.h index f25a8491670..6dc5f8df1f3 100644 --- a/arch/mips/include/asm/mach-rc32434/rb.h +++ b/arch/mips/include/asm/mach-rc32434/rb.h @@ -83,4 +83,7 @@ struct mpmc_device { void __iomem *base; }; +extern void set_latch_u5(unsigned char or_mask, unsigned char nand_mask); +extern unsigned char get_latch_u5(void); + #endif /* __ASM_RC32434_RB_H */ diff --git a/arch/mips/include/asm/ptrace.h b/arch/mips/include/asm/ptrace.h index 1f30d16d466..ce47118e52b 100644 --- a/arch/mips/include/asm/ptrace.h +++ b/arch/mips/include/asm/ptrace.h @@ -105,7 +105,7 @@ struct pt_watch_regs { enum pt_watch_style style; union { struct mips32_watch_regs mips32; - struct mips32_watch_regs mips64; + struct mips64_watch_regs mips64; }; }; diff --git a/arch/mips/include/asm/spinlock.h b/arch/mips/include/asm/spinlock.h index 1a1f320c30d..0884947ebe2 100644 --- a/arch/mips/include/asm/spinlock.h +++ b/arch/mips/include/asm/spinlock.h @@ -51,6 +51,7 @@ static inline int __raw_spin_is_contended(raw_spinlock_t *lock) return (((counters >> 14) - counters) & 0x1fff) > 1; } +#define __raw_spin_is_contended __raw_spin_is_contended static inline void __raw_spin_lock(raw_spinlock_t *lock) { diff --git a/arch/mips/include/asm/termios.h b/arch/mips/include/asm/termios.h index a275661fa7e..8f77f774a2a 100644 --- a/arch/mips/include/asm/termios.h +++ b/arch/mips/include/asm/termios.h @@ -9,6 +9,7 @@ #ifndef _ASM_TERMIOS_H #define _ASM_TERMIOS_H +#include <linux/errno.h> #include <asm/termbits.h> #include <asm/ioctls.h> @@ -94,38 +95,81 @@ struct termio { /* * Translate a "termio" structure into a "termios". Ugh. */ -#define user_termio_to_kernel_termios(termios, termio) \ -({ \ - unsigned short tmp; \ - get_user(tmp, &(termio)->c_iflag); \ - (termios)->c_iflag = (0xffff0000 & ((termios)->c_iflag)) | tmp; \ - get_user(tmp, &(termio)->c_oflag); \ - (termios)->c_oflag = (0xffff0000 & ((termios)->c_oflag)) | tmp; \ - get_user(tmp, &(termio)->c_cflag); \ - (termios)->c_cflag = (0xffff0000 & ((termios)->c_cflag)) | tmp; \ - get_user(tmp, &(termio)->c_lflag); \ - (termios)->c_lflag = (0xffff0000 & ((termios)->c_lflag)) | tmp; \ - get_user((termios)->c_line, &(termio)->c_line); \ - copy_from_user((termios)->c_cc, (termio)->c_cc, NCC); \ -}) +static inline int user_termio_to_kernel_termios(struct ktermios *termios, + struct termio __user *termio) +{ + unsigned short iflag, oflag, cflag, lflag; + unsigned int err; + + if (!access_ok(VERIFY_READ, termio, sizeof(struct termio))) + return -EFAULT; + + err = __get_user(iflag, &termio->c_iflag); + termios->c_iflag = (termios->c_iflag & 0xffff0000) | iflag; + err |=__get_user(oflag, &termio->c_oflag); + termios->c_oflag = (termios->c_oflag & 0xffff0000) | oflag; + err |=__get_user(cflag, &termio->c_cflag); + termios->c_cflag = (termios->c_cflag & 0xffff0000) | cflag; + err |=__get_user(lflag, &termio->c_lflag); + termios->c_lflag = (termios->c_lflag & 0xffff0000) | lflag; + err |=__get_user(termios->c_line, &termio->c_line); + if (err) + return -EFAULT; + + if (__copy_from_user(termios->c_cc, termio->c_cc, NCC)) + return -EFAULT; + + return 0; +} /* * Translate a "termios" structure into a "termio". Ugh. */ -#define kernel_termios_to_user_termio(termio, termios) \ -({ \ - put_user((termios)->c_iflag, &(termio)->c_iflag); \ - put_user((termios)->c_oflag, &(termio)->c_oflag); \ - put_user((termios)->c_cflag, &(termio)->c_cflag); \ - put_user((termios)->c_lflag, &(termio)->c_lflag); \ - put_user((termios)->c_line, &(termio)->c_line); \ - copy_to_user((termio)->c_cc, (termios)->c_cc, NCC); \ -}) - -#define user_termios_to_kernel_termios(k, u) copy_from_user(k, u, sizeof(struct termios2)) -#define kernel_termios_to_user_termios(u, k) copy_to_user(u, k, sizeof(struct termios2)) -#define user_termios_to_kernel_termios_1(k, u) copy_from_user(k, u, sizeof(struct termios)) -#define kernel_termios_to_user_termios_1(u, k) copy_to_user(u, k, sizeof(struct termios)) +static inline int kernel_termios_to_user_termio(struct termio __user *termio, + struct ktermios *termios) +{ + int err; + + if (!access_ok(VERIFY_WRITE, termio, sizeof(struct termio))) + return -EFAULT; + + err = __put_user(termios->c_iflag, &termio->c_iflag); + err |= __put_user(termios->c_oflag, &termio->c_oflag); + err |= __put_user(termios->c_cflag, &termio->c_cflag); + err |= __put_user(termios->c_lflag, &termio->c_lflag); + err |= __put_user(termios->c_line, &termio->c_line); + if (err) + return -EFAULT; + + if (__copy_to_user(termio->c_cc, termios->c_cc, NCC)) + return -EFAULT; + + return 0; +} + +static inline int user_termios_to_kernel_termios(struct ktermios __user *k, + struct termios2 *u) +{ + return copy_from_user(k, u, sizeof(struct termios2)) ? -EFAULT : 0; +} + +static inline int kernel_termios_to_user_termios(struct termios2 __user *u, + struct ktermios *k) +{ + return copy_to_user(u, k, sizeof(struct termios2)) ? -EFAULT : 0; +} + +static inline int user_termios_to_kernel_termios_1(struct ktermios *k, + struct termios __user *u) +{ + return copy_from_user(k, u, sizeof(struct termios)) ? -EFAULT : 0; +} + +static inline int kernel_termios_to_user_termios_1(struct termios __user *u, + struct ktermios *k) +{ + return copy_to_user(u, k, sizeof(struct termios)) ? -EFAULT : 0; +} #endif /* defined(__KERNEL__) */ diff --git a/arch/mips/include/asm/txx9/tx4939.h b/arch/mips/include/asm/txx9/tx4939.h index 88badb42301..964ef7ede26 100644 --- a/arch/mips/include/asm/txx9/tx4939.h +++ b/arch/mips/include/asm/txx9/tx4939.h @@ -541,5 +541,6 @@ void tx4939_irq_init(void); int tx4939_irq(void); void tx4939_mtd_init(int ch); void tx4939_ata_init(void); +void tx4939_rtc_init(void); #endif /* __ASM_TXX9_TX4939_H */ diff --git a/arch/mips/kernel/genex.S b/arch/mips/kernel/genex.S index fb6f73148df..8882e5766f2 100644 --- a/arch/mips/kernel/genex.S +++ b/arch/mips/kernel/genex.S @@ -458,7 +458,11 @@ NESTED(nmi_handler, PT_SIZE, sp) BUILD_HANDLER fpe fpe fpe silent /* #15 */ BUILD_HANDLER mdmx mdmx sti silent /* #22 */ #ifdef CONFIG_HARDWARE_WATCHPOINTS - BUILD_HANDLER watch watch sti silent /* #23 */ + /* + * For watch, interrupts will be enabled after the watch + * registers are read. + */ + BUILD_HANDLER watch watch cli silent /* #23 */ #else BUILD_HANDLER watch watch sti verbose /* #23 */ #endif diff --git a/arch/mips/kernel/irq.c b/arch/mips/kernel/irq.c index a0ff2b66e22..4b4007b3083 100644 --- a/arch/mips/kernel/irq.c +++ b/arch/mips/kernel/irq.c @@ -111,7 +111,6 @@ int show_interrupts(struct seq_file *p, void *v) seq_printf(p, "%10u ", kstat_cpu(j).irqs[i]); #endif seq_printf(p, " %14s", irq_desc[i].chip->name); - seq_printf(p, "-%-8s", irq_desc[i].name); seq_printf(p, " %s", action->name); for (action=action->next; action; action = action->next) diff --git a/arch/mips/kernel/linux32.c b/arch/mips/kernel/linux32.c index aa2c55e3b55..2f8452b404c 100644 --- a/arch/mips/kernel/linux32.c +++ b/arch/mips/kernel/linux32.c @@ -32,6 +32,7 @@ #include <linux/module.h> #include <linux/binfmts.h> #include <linux/security.h> +#include <linux/syscalls.h> #include <linux/compat.h> #include <linux/vfs.h> #include <linux/ipc.h> @@ -63,9 +64,9 @@ #define merge_64(r1, r2) ((((r2) & 0xffffffffUL) << 32) + ((r1) & 0xffffffffUL)) #endif -asmlinkage unsigned long -sys32_mmap2(unsigned long addr, unsigned long len, unsigned long prot, - unsigned long flags, unsigned long fd, unsigned long pgoff) +SYSCALL_DEFINE6(32_mmap2, unsigned long, addr, unsigned long, len, + unsigned long, prot, unsigned long, flags, unsigned long, fd, + unsigned long, pgoff) { struct file * file = NULL; unsigned long error; @@ -121,21 +122,21 @@ struct rlimit32 { int rlim_max; }; -asmlinkage long sys32_truncate64(const char __user * path, - unsigned long __dummy, int a2, int a3) +SYSCALL_DEFINE4(32_truncate64, const char __user *, path, + unsigned long, __dummy, unsigned long, a2, unsigned long, a3) { return sys_truncate(path, merge_64(a2, a3)); } -asmlinkage long sys32_ftruncate64(unsigned int fd, unsigned long __dummy, - int a2, int a3) +SYSCALL_DEFINE4(32_ftruncate64, unsigned long, fd, unsigned long, __dummy, + unsigned long, a2, unsigned long, a3) { return sys_ftruncate(fd, merge_64(a2, a3)); } -asmlinkage int sys32_llseek(unsigned int fd, unsigned int offset_high, - unsigned int offset_low, loff_t __user * result, - unsigned int origin) +SYSCALL_DEFINE5(32_llseek, unsigned long, fd, unsigned long, offset_high, + unsigned long, offset_low, loff_t __user *, result, + unsigned long, origin) { return sys_llseek(fd, offset_high, offset_low, result, origin); } @@ -144,20 +145,20 @@ asmlinkage int sys32_llseek(unsigned int fd, unsigned int offset_high, lseek back to original location. They fail just like lseek does on non-seekable files. */ -asmlinkage ssize_t sys32_pread(unsigned int fd, char __user * buf, - size_t count, u32 unused, u64 a4, u64 a5) +SYSCALL_DEFINE6(32_pread, unsigned long, fd, char __user *, buf, size_t, count, + unsigned long, unused, unsigned long, a4, unsigned long, a5) { return sys_pread64(fd, buf, count, merge_64(a4, a5)); } -asmlinkage ssize_t sys32_pwrite(unsigned int fd, const char __user * buf, - size_t count, u32 unused, u64 a4, u64 a5) +SYSCALL_DEFINE6(32_pwrite, unsigned int, fd, const char __user *, buf, + size_t, count, u32, unused, u64, a4, u64, a5) { return sys_pwrite64(fd, buf, count, merge_64(a4, a5)); } -asmlinkage int sys32_sched_rr_get_interval(compat_pid_t pid, - struct compat_timespec __user *interval) +SYSCALL_DEFINE2(32_sched_rr_get_interval, compat_pid_t, pid, + struct compat_timespec __user *, interval) { struct timespec t; int ret; @@ -174,8 +175,8 @@ asmlinkage int sys32_sched_rr_get_interval(compat_pid_t pid, #ifdef CONFIG_SYSVIPC -asmlinkage long -sys32_ipc(u32 call, int first, int second, int third, u32 ptr, u32 fifth) +SYSCALL_DEFINE6(32_ipc, u32, call, long, first, long, second, long, third, + unsigned long, ptr, unsigned long, fifth) { int version, err; @@ -233,8 +234,8 @@ sys32_ipc(u32 call, int first, int second, int third, u32 ptr, u32 fifth) #else -asmlinkage long -sys32_ipc(u32 call, int first, int second, int third, u32 ptr, u32 fifth) +SYSCALL_DEFINE6(32_ipc, u32, call, int, first, int, second, int, third, + u32, ptr, u32 fifth) { return -ENOSYS; } @@ -242,7 +243,7 @@ sys32_ipc(u32 call, int first, int second, int third, u32 ptr, u32 fifth) #endif /* CONFIG_SYSVIPC */ #ifdef CONFIG_MIPS32_N32 -asmlinkage long sysn32_semctl(int semid, int semnum, int cmd, u32 arg) +SYSCALL_DEFINE4(n32_semctl, int, semid, int, semnum, int, cmd, u32, arg) { /* compat_sys_semctl expects a pointer to union semun */ u32 __user *uptr = compat_alloc_user_space(sizeof(u32)); @@ -251,13 +252,14 @@ asmlinkage long sysn32_semctl(int semid, int semnum, int cmd, u32 arg) return compat_sys_semctl(semid, semnum, cmd, uptr); } -asmlinkage long sysn32_msgsnd(int msqid, u32 msgp, unsigned msgsz, int msgflg) +SYSCALL_DEFINE4(n32_msgsnd, int, msqid, u32, msgp, unsigned int, msgsz, + int, msgflg) { return compat_sys_msgsnd(msqid, msgsz, msgflg, compat_ptr(msgp)); } -asmlinkage long sysn32_msgrcv(int msqid, u32 msgp, size_t msgsz, int msgtyp, - int msgflg) +SYSCALL_DEFINE5(n32_msgrcv, int, msqid, u32, msgp, size_t, msgsz, + int, msgtyp, int, msgflg) { return compat_sys_msgrcv(msqid, msgsz, msgtyp, msgflg, IPC_64, compat_ptr(msgp)); @@ -277,7 +279,7 @@ struct sysctl_args32 #ifdef CONFIG_SYSCTL_SYSCALL -asmlinkage long sys32_sysctl(struct sysctl_args32 __user *args) +SYSCALL_DEFINE1(32_sysctl, struct sysctl_args32 __user *, args) { struct sysctl_args32 tmp; int error; @@ -316,9 +318,16 @@ asmlinkage long sys32_sysctl(struct sysctl_args32 __user *args) return error; } +#else + +SYSCALL_DEFINE1(32_sysctl, struct sysctl_args32 __user *, args) +{ + return -ENOSYS; +} + #endif /* CONFIG_SYSCTL_SYSCALL */ -asmlinkage long sys32_newuname(struct new_utsname __user * name) +SYSCALL_DEFINE1(32_newuname, struct new_utsname __user *, name) { int ret = 0; @@ -334,7 +343,7 @@ asmlinkage long sys32_newuname(struct new_utsname __user * name) return ret; } -asmlinkage int sys32_personality(unsigned long personality) +SYSCALL_DEFINE1(32_personality, unsigned long, personality) { int ret; personality &= 0xffffffff; @@ -357,7 +366,7 @@ struct ustat32 { extern asmlinkage long sys_ustat(dev_t dev, struct ustat __user * ubuf); -asmlinkage int sys32_ustat(dev_t dev, struct ustat32 __user * ubuf32) +SYSCALL_DEFINE2(32_ustat, dev_t, dev, struct ustat32 __user *, ubuf32) { int err; struct ustat tmp; @@ -381,8 +390,8 @@ out: return err; } -asmlinkage int sys32_sendfile(int out_fd, int in_fd, compat_off_t __user *offset, - s32 count) +SYSCALL_DEFINE4(32_sendfile, long, out_fd, long, in_fd, + compat_off_t __user *, offset, s32, count) { mm_segment_t old_fs = get_fs(); int ret; diff --git a/arch/mips/kernel/mips-mt-fpaff.c b/arch/mips/kernel/mips-mt-fpaff.c index 5e77a3a21f9..42461310b18 100644 --- a/arch/mips/kernel/mips-mt-fpaff.c +++ b/arch/mips/kernel/mips-mt-fpaff.c @@ -79,7 +79,8 @@ asmlinkage long mipsmt_sys_sched_setaffinity(pid_t pid, unsigned int len, euid = current_euid(); retval = -EPERM; - if (euid != p->euid && euid != p->uid && !capable(CAP_SYS_NICE)) { + if (euid != p->cred->euid && euid != p->cred->uid && + !capable(CAP_SYS_NICE)) { read_unlock(&tasklist_lock); goto out_unlock; } diff --git a/arch/mips/kernel/scall32-o32.S b/arch/mips/kernel/scall32-o32.S index 51d1ba415b9..9ab70c3b5be 100644 --- a/arch/mips/kernel/scall32-o32.S +++ b/arch/mips/kernel/scall32-o32.S @@ -399,7 +399,7 @@ einval: li v0, -ENOSYS sys sys_swapon 2 sys sys_reboot 3 sys sys_old_readdir 3 - sys old_mmap 6 /* 4090 */ + sys sys_mips_mmap 6 /* 4090 */ sys sys_munmap 2 sys sys_truncate 2 sys sys_ftruncate 2 @@ -519,7 +519,7 @@ einval: li v0, -ENOSYS sys sys_sendfile 4 sys sys_ni_syscall 0 sys sys_ni_syscall 0 - sys sys_mmap2 6 /* 4210 */ + sys sys_mips_mmap2 6 /* 4210 */ sys sys_truncate64 4 sys sys_ftruncate64 4 sys sys_stat64 2 diff --git a/arch/mips/kernel/scall64-64.S b/arch/mips/kernel/scall64-64.S index a9e17161899..9b469866715 100644 --- a/arch/mips/kernel/scall64-64.S +++ b/arch/mips/kernel/scall64-64.S @@ -207,7 +207,7 @@ sys_call_table: PTR sys_newlstat PTR sys_poll PTR sys_lseek - PTR old_mmap + PTR sys_mips_mmap PTR sys_mprotect /* 5010 */ PTR sys_munmap PTR sys_brk diff --git a/arch/mips/kernel/scall64-n32.S b/arch/mips/kernel/scall64-n32.S index 30f3b6317a8..7438e92f8a0 100644 --- a/arch/mips/kernel/scall64-n32.S +++ b/arch/mips/kernel/scall64-n32.S @@ -129,12 +129,12 @@ EXPORT(sysn32_call_table) PTR sys_newlstat PTR sys_poll PTR sys_lseek - PTR old_mmap + PTR sys_mips_mmap PTR sys_mprotect /* 6010 */ PTR sys_munmap PTR sys_brk - PTR sys32_rt_sigaction - PTR sys32_rt_sigprocmask + PTR sys_32_rt_sigaction + PTR sys_32_rt_sigprocmask PTR compat_sys_ioctl /* 6015 */ PTR sys_pread64 PTR sys_pwrite64 @@ -159,7 +159,7 @@ EXPORT(sysn32_call_table) PTR compat_sys_setitimer PTR sys_alarm PTR sys_getpid - PTR sys32_sendfile + PTR sys_32_sendfile PTR sys_socket /* 6040 */ PTR sys_connect PTR sys_accept @@ -181,14 +181,14 @@ EXPORT(sysn32_call_table) PTR sys_exit PTR compat_sys_wait4 PTR sys_kill /* 6060 */ - PTR sys32_newuname + PTR sys_32_newuname PTR sys_semget PTR sys_semop - PTR sysn32_semctl + PTR sys_n32_semctl PTR sys_shmdt /* 6065 */ PTR sys_msgget - PTR sysn32_msgsnd - PTR sysn32_msgrcv + PTR sys_n32_msgsnd + PTR sys_n32_msgrcv PTR compat_sys_msgctl PTR compat_sys_fcntl /* 6070 */ PTR sys_flock @@ -245,15 +245,15 @@ EXPORT(sysn32_call_table) PTR sys_getsid PTR sys_capget PTR sys_capset - PTR sys32_rt_sigpending /* 6125 */ + PTR sys_32_rt_sigpending /* 6125 */ PTR compat_sys_rt_sigtimedwait - PTR sys32_rt_sigqueueinfo + PTR sys_32_rt_sigqueueinfo PTR sysn32_rt_sigsuspend PTR sys32_sigaltstack PTR compat_sys_utime /* 6130 */ PTR sys_mknod - PTR sys32_personality - PTR sys32_ustat + PTR sys_32_personality + PTR sys_32_ustat PTR compat_sys_statfs PTR compat_sys_fstatfs /* 6135 */ PTR sys_sysfs @@ -265,14 +265,14 @@ EXPORT(sysn32_call_table) PTR sys_sched_getscheduler PTR sys_sched_get_priority_max PTR sys_sched_get_priority_min - PTR sys32_sched_rr_get_interval /* 6145 */ + PTR sys_32_sched_rr_get_interval /* 6145 */ PTR sys_mlock PTR sys_munlock PTR sys_mlockall PTR sys_munlockall PTR sys_vhangup /* 6150 */ PTR sys_pivot_root - PTR sys32_sysctl + PTR sys_32_sysctl PTR sys_prctl PTR compat_sys_adjtimex PTR compat_sys_setrlimit /* 6155 */ diff --git a/arch/mips/kernel/scall64-o32.S b/arch/mips/kernel/scall64-o32.S index fefef4af859..b0fef4ff982 100644 --- a/arch/mips/kernel/scall64-o32.S +++ b/arch/mips/kernel/scall64-o32.S @@ -265,12 +265,12 @@ sys_call_table: PTR sys_olduname PTR sys_umask /* 4060 */ PTR sys_chroot - PTR sys32_ustat + PTR sys_32_ustat PTR sys_dup2 PTR sys_getppid PTR sys_getpgrp /* 4065 */ PTR sys_setsid - PTR sys32_sigaction + PTR sys_32_sigaction PTR sys_sgetmask PTR sys_ssetmask PTR sys_setreuid /* 4070 */ @@ -293,7 +293,7 @@ sys_call_table: PTR sys_swapon PTR sys_reboot PTR compat_sys_old_readdir - PTR old_mmap /* 4090 */ + PTR sys_mips_mmap /* 4090 */ PTR sys_munmap PTR sys_truncate PTR sys_ftruncate @@ -320,12 +320,12 @@ sys_call_table: PTR compat_sys_wait4 PTR sys_swapoff /* 4115 */ PTR compat_sys_sysinfo - PTR sys32_ipc + PTR sys_32_ipc PTR sys_fsync PTR sys32_sigreturn PTR sys32_clone /* 4120 */ PTR sys_setdomainname - PTR sys32_newuname + PTR sys_32_newuname PTR sys_ni_syscall /* sys_modify_ldt */ PTR compat_sys_adjtimex PTR sys_mprotect /* 4125 */ @@ -339,11 +339,11 @@ sys_call_table: PTR sys_fchdir PTR sys_bdflush PTR sys_sysfs /* 4135 */ - PTR sys32_personality + PTR sys_32_personality PTR sys_ni_syscall /* for afs_syscall */ PTR sys_setfsuid PTR sys_setfsgid - PTR sys32_llseek /* 4140 */ + PTR sys_32_llseek /* 4140 */ PTR compat_sys_getdents PTR compat_sys_select PTR sys_flock @@ -356,7 +356,7 @@ sys_call_table: PTR sys_ni_syscall /* 4150 */ PTR sys_getsid PTR sys_fdatasync - PTR sys32_sysctl + PTR sys_32_sysctl PTR sys_mlock PTR sys_munlock /* 4155 */ PTR sys_mlockall @@ -368,7 +368,7 @@ sys_call_table: PTR sys_sched_yield PTR sys_sched_get_priority_max PTR sys_sched_get_priority_min - PTR sys32_sched_rr_get_interval /* 4165 */ + PTR sys_32_sched_rr_get_interval /* 4165 */ PTR compat_sys_nanosleep PTR sys_mremap PTR sys_accept @@ -397,25 +397,25 @@ sys_call_table: PTR sys_getresgid PTR sys_prctl PTR sys32_rt_sigreturn - PTR sys32_rt_sigaction - PTR sys32_rt_sigprocmask /* 4195 */ - PTR sys32_rt_sigpending + PTR sys_32_rt_sigaction + PTR sys_32_rt_sigprocmask /* 4195 */ + PTR sys_32_rt_sigpending PTR compat_sys_rt_sigtimedwait - PTR sys32_rt_sigqueueinfo + PTR sys_32_rt_sigqueueinfo PTR sys32_rt_sigsuspend - PTR sys32_pread /* 4200 */ - PTR sys32_pwrite + PTR sys_32_pread /* 4200 */ + PTR sys_32_pwrite PTR sys_chown PTR sys_getcwd PTR sys_capget PTR sys_capset /* 4205 */ PTR sys32_sigaltstack - PTR sys32_sendfile + PTR sys_32_sendfile PTR sys_ni_syscall PTR sys_ni_syscall - PTR sys32_mmap2 /* 4210 */ - PTR sys32_truncate64 - PTR sys32_ftruncate64 + PTR sys_mips_mmap2 /* 4210 */ + PTR sys_32_truncate64 + PTR sys_32_ftruncate64 PTR sys_newstat PTR sys_newlstat PTR sys_newfstat /* 4215 */ @@ -481,7 +481,7 @@ sys_call_table: PTR compat_sys_mq_notify /* 4275 */ PTR compat_sys_mq_getsetattr PTR sys_ni_syscall /* sys_vserver */ - PTR sys32_waitid + PTR sys_32_waitid PTR sys_ni_syscall /* available, was setaltroot */ PTR sys_add_key /* 4280 */ PTR sys_request_key diff --git a/arch/mips/kernel/signal.c b/arch/mips/kernel/signal.c index a4e106c56ab..830c5ef9932 100644 --- a/arch/mips/kernel/signal.c +++ b/arch/mips/kernel/signal.c @@ -19,6 +19,7 @@ #include <linux/ptrace.h> #include <linux/unistd.h> #include <linux/compiler.h> +#include <linux/syscalls.h> #include <linux/uaccess.h> #include <asm/abi.h> @@ -338,8 +339,8 @@ asmlinkage int sys_rt_sigsuspend(nabi_no_regargs struct pt_regs regs) } #ifdef CONFIG_TRAD_SIGNALS -asmlinkage int sys_sigaction(int sig, const struct sigaction __user *act, - struct sigaction __user *oact) +SYSCALL_DEFINE3(sigaction, int, sig, const struct sigaction __user *, act, + struct sigaction __user *, oact) { struct k_sigaction new_ka, old_ka; int ret; diff --git a/arch/mips/kernel/signal32.c b/arch/mips/kernel/signal32.c index 652709b353a..2e74075ac0c 100644 --- a/arch/mips/kernel/signal32.c +++ b/arch/mips/kernel/signal32.c @@ -349,8 +349,8 @@ asmlinkage int sys32_rt_sigsuspend(nabi_no_regargs struct pt_regs regs) return -ERESTARTNOHAND; } -asmlinkage int sys32_sigaction(int sig, const struct sigaction32 __user *act, - struct sigaction32 __user *oact) +SYSCALL_DEFINE3(32_sigaction, long, sig, const struct sigaction32 __user *, act, + struct sigaction32 __user *, oact) { struct k_sigaction new_ka, old_ka; int ret; @@ -704,9 +704,9 @@ struct mips_abi mips_abi_32 = { .restart = __NR_O32_restart_syscall }; -asmlinkage int sys32_rt_sigaction(int sig, const struct sigaction32 __user *act, - struct sigaction32 __user *oact, - unsigned int sigsetsize) +SYSCALL_DEFINE4(32_rt_sigaction, int, sig, + const struct sigaction32 __user *, act, + struct sigaction32 __user *, oact, unsigned int, sigsetsize) { struct k_sigaction new_sa, old_sa; int ret = -EINVAL; @@ -748,8 +748,8 @@ out: return ret; } -asmlinkage int sys32_rt_sigprocmask(int how, compat_sigset_t __user *set, - compat_sigset_t __user *oset, unsigned int sigsetsize) +SYSCALL_DEFINE4(32_rt_sigprocmask, int, how, compat_sigset_t __user *, set, + compat_sigset_t __user *, oset, unsigned int, sigsetsize) { sigset_t old_set, new_set; int ret; @@ -770,8 +770,8 @@ asmlinkage int sys32_rt_sigprocmask(int how, compat_sigset_t __user *set, return ret; } -asmlinkage int sys32_rt_sigpending(compat_sigset_t __user *uset, - unsigned int sigsetsize) +SYSCALL_DEFINE2(32_rt_sigpending, compat_sigset_t __user *, uset, + unsigned int, sigsetsize) { int ret; sigset_t set; @@ -787,7 +787,8 @@ asmlinkage int sys32_rt_sigpending(compat_sigset_t __user *uset, return ret; } -asmlinkage int sys32_rt_sigqueueinfo(int pid, int sig, compat_siginfo_t __user *uinfo) +SYSCALL_DEFINE3(32_rt_sigqueueinfo, int, pid, int, sig, + compat_siginfo_t __user *, uinfo) { siginfo_t info; int ret; @@ -802,10 +803,9 @@ asmlinkage int sys32_rt_sigqueueinfo(int pid, int sig, compat_siginfo_t __user * return ret; } -asmlinkage long -sys32_waitid(int which, compat_pid_t pid, - compat_siginfo_t __user *uinfo, int options, - struct compat_rusage __user *uru) +SYSCALL_DEFINE5(32_waitid, int, which, compat_pid_t, pid, + compat_siginfo_t __user *, uinfo, int, options, + struct compat_rusage __user *, uru) { siginfo_t info; struct rusage ru; diff --git a/arch/mips/kernel/syscall.c b/arch/mips/kernel/syscall.c index 37970d9b218..8cf38464404 100644 --- a/arch/mips/kernel/syscall.c +++ b/arch/mips/kernel/syscall.c @@ -152,9 +152,9 @@ out: return error; } -asmlinkage unsigned long -old_mmap(unsigned long addr, unsigned long len, int prot, - int flags, int fd, off_t offset) +SYSCALL_DEFINE6(mips_mmap, unsigned long, addr, unsigned long, len, + unsigned long, prot, unsigned long, flags, unsigned long, + fd, off_t, offset) { unsigned long result; @@ -168,9 +168,9 @@ out: return result; } -asmlinkage unsigned long -sys_mmap2(unsigned long addr, unsigned long len, unsigned long prot, - unsigned long flags, unsigned long fd, unsigned long pgoff) +SYSCALL_DEFINE6(mips_mmap2, unsigned long, addr, unsigned long, len, + unsigned long, prot, unsigned long, flags, unsigned long, fd, + unsigned long, pgoff) { if (pgoff & (~PAGE_MASK >> 12)) return -EINVAL; @@ -240,7 +240,7 @@ out: /* * Compacrapability ... */ -asmlinkage int sys_uname(struct old_utsname __user * name) +SYSCALL_DEFINE1(uname, struct old_utsname __user *, name) { if (name && !copy_to_user(name, utsname(), sizeof (*name))) return 0; @@ -250,7 +250,7 @@ asmlinkage int sys_uname(struct old_utsname __user * name) /* * Compacrapability ... */ -asmlinkage int sys_olduname(struct oldold_utsname __user * name) +SYSCALL_DEFINE1(olduname, struct oldold_utsname __user *, name) { int error; @@ -279,7 +279,7 @@ asmlinkage int sys_olduname(struct oldold_utsname __user * name) return error; } -asmlinkage int sys_set_thread_area(unsigned long addr) +SYSCALL_DEFINE1(set_thread_area, unsigned long, addr) { struct thread_info *ti = task_thread_info(current); @@ -290,7 +290,7 @@ asmlinkage int sys_set_thread_area(unsigned long addr) return 0; } -asmlinkage int _sys_sysmips(int cmd, long arg1, int arg2, int arg3) +asmlinkage int _sys_sysmips(long cmd, long arg1, long arg2, long arg3) { switch (cmd) { case MIPS_ATOMIC_SET: @@ -325,8 +325,8 @@ asmlinkage int _sys_sysmips(int cmd, long arg1, int arg2, int arg3) * * This is really horribly ugly. */ -asmlinkage int sys_ipc(unsigned int call, int first, int second, - unsigned long third, void __user *ptr, long fifth) +SYSCALL_DEFINE6(ipc, unsigned int, call, int, first, int, second, + unsigned long, third, void __user *, ptr, long, fifth) { int version, ret; @@ -411,7 +411,7 @@ asmlinkage int sys_ipc(unsigned int call, int first, int second, /* * No implemented yet ... */ -asmlinkage int sys_cachectl(char *addr, int nbytes, int op) +SYSCALL_DEFINE3(cachectl, char *, addr, int, nbytes, int, op) { return -ENOSYS; } diff --git a/arch/mips/kernel/traps.c b/arch/mips/kernel/traps.c index f6083c6bfaa..b2d7041341b 100644 --- a/arch/mips/kernel/traps.c +++ b/arch/mips/kernel/traps.c @@ -944,6 +944,9 @@ asmlinkage void do_mdmx(struct pt_regs *regs) force_sig(SIGILL, current); } +/* + * Called with interrupts disabled. + */ asmlinkage void do_watch(struct pt_regs *regs) { u32 cause; @@ -963,9 +966,12 @@ asmlinkage void do_watch(struct pt_regs *regs) */ if (test_tsk_thread_flag(current, TIF_LOAD_WATCH)) { mips_read_watch_registers(); + local_irq_enable(); force_sig(SIGTRAP, current); - } else + } else { mips_clear_watch_registers(); + local_irq_enable(); + } } asmlinkage void do_mcheck(struct pt_regs *regs) @@ -1582,7 +1588,11 @@ void __init set_handler(unsigned long offset, void *addr, unsigned long size) static char panic_null_cerr[] __cpuinitdata = "Trying to set NULL cache error exception handler"; -/* Install uncached CPU exception handler */ +/* + * Install uncached CPU exception handler. + * This is suitable only for the cache error exception which is the only + * exception handler that is being run uncached. + */ void __cpuinit set_uncached_handler(unsigned long offset, void *addr, unsigned long size) { @@ -1593,7 +1603,7 @@ void __cpuinit set_uncached_handler(unsigned long offset, void *addr, unsigned long uncached_ebase = TO_UNCAC(ebase); #endif if (cpu_has_mips_r2) - ebase += (read_c0_ebase() & 0x3ffff000); + uncached_ebase += (read_c0_ebase() & 0x3ffff000); if (!addr) panic(panic_null_cerr); diff --git a/arch/mips/lib/memcpy-inatomic.S b/arch/mips/lib/memcpy-inatomic.S index 736d0fb56a9..68853a038d3 100644 --- a/arch/mips/lib/memcpy-inatomic.S +++ b/arch/mips/lib/memcpy-inatomic.S @@ -21,7 +21,7 @@ * end of memory on some systems. It's also a seriously bad idea on non * dma-coherent systems. */ -#if !defined(CONFIG_DMA_COHERENT) || !defined(CONFIG_DMA_IP27) +#ifdef CONFIG_DMA_NONCOHERENT #undef CONFIG_CPU_HAS_PREFETCH #endif #ifdef CONFIG_MIPS_MALTA diff --git a/arch/mips/lib/memcpy.S b/arch/mips/lib/memcpy.S index c06cccf60be..56a1f85a1ce 100644 --- a/arch/mips/lib/memcpy.S +++ b/arch/mips/lib/memcpy.S @@ -21,7 +21,7 @@ * end of memory on some systems. It's also a seriously bad idea on non * dma-coherent systems. */ -#if !defined(CONFIG_DMA_COHERENT) || !defined(CONFIG_DMA_IP27) +#ifdef CONFIG_DMA_NONCOHERENT #undef CONFIG_CPU_HAS_PREFETCH #endif #ifdef CONFIG_MIPS_MALTA diff --git a/arch/mips/mm/c-r4k.c b/arch/mips/mm/c-r4k.c index 6e99665ae86..c43f4b26a69 100644 --- a/arch/mips/mm/c-r4k.c +++ b/arch/mips/mm/c-r4k.c @@ -618,15 +618,35 @@ static void r4k_dma_cache_inv(unsigned long addr, unsigned long size) if (cpu_has_inclusive_pcaches) { if (size >= scache_size) r4k_blast_scache(); - else + else { + unsigned long lsize = cpu_scache_line_size(); + unsigned long almask = ~(lsize - 1); + + /* + * There is no clearly documented alignment requirement + * for the cache instruction on MIPS processors and + * some processors, among them the RM5200 and RM7000 + * QED processors will throw an address error for cache + * hit ops with insufficient alignment. Solved by + * aligning the address to cache line size. + */ + cache_op(Hit_Writeback_Inv_SD, addr & almask); + cache_op(Hit_Writeback_Inv_SD, + (addr + size - 1) & almask); blast_inv_scache_range(addr, addr + size); + } return; } if (cpu_has_safe_index_cacheops && size >= dcache_size) { r4k_blast_dcache(); } else { + unsigned long lsize = cpu_dcache_line_size(); + unsigned long almask = ~(lsize - 1); + R4600_HIT_CACHEOP_WAR_IMPL; + cache_op(Hit_Writeback_Inv_D, addr & almask); + cache_op(Hit_Writeback_Inv_D, (addr + size - 1) & almask); blast_inv_dcache_range(addr, addr + size); } diff --git a/arch/mips/mm/cache.c b/arch/mips/mm/cache.c index 98ad0a82c29..694d51f523d 100644 --- a/arch/mips/mm/cache.c +++ b/arch/mips/mm/cache.c @@ -13,6 +13,7 @@ #include <linux/linkage.h> #include <linux/module.h> #include <linux/sched.h> +#include <linux/syscalls.h> #include <linux/mm.h> #include <asm/cacheflush.h> @@ -58,8 +59,8 @@ EXPORT_SYMBOL(_dma_cache_wback_inv); * We could optimize the case where the cache argument is not BCACHE but * that seems very atypical use ... */ -asmlinkage int sys_cacheflush(unsigned long addr, - unsigned long bytes, unsigned int cache) +SYSCALL_DEFINE3(cacheflush, unsigned long, addr, unsigned long, bytes, + unsigned int, cache) { if (bytes == 0) return 0; diff --git a/arch/mips/mm/fault.c b/arch/mips/mm/fault.c index fa636fc6b7b..55767ad9f00 100644 --- a/arch/mips/mm/fault.c +++ b/arch/mips/mm/fault.c @@ -97,7 +97,6 @@ good_area: goto bad_area; } -survive: /* * If for any reason at all we couldn't handle the fault, * make sure we exit gracefully rather than endlessly redo @@ -167,21 +166,13 @@ no_context: field, regs->regs[31]); die("Oops", regs); -/* - * We ran out of memory, or some other thing happened to us that made - * us unable to handle the page fault gracefully. - */ out_of_memory: - up_read(&mm->mmap_sem); - if (is_global_init(tsk)) { - yield(); - down_read(&mm->mmap_sem); - goto survive; - } - printk("VM: killing process %s\n", tsk->comm); - if (user_mode(regs)) - do_group_exit(SIGKILL); - goto no_context; + /* + * We ran out of memory, call the OOM killer, and return the userspace + * (which will retry the fault, or kill us if we got oom-killed). + */ + pagefault_out_of_memory(); + return; do_sigbus: up_read(&mm->mmap_sem); diff --git a/arch/mips/pci/pci-rc32434.c b/arch/mips/pci/pci-rc32434.c index 1c2821e2f49..71f7d27b0d4 100644 --- a/arch/mips/pci/pci-rc32434.c +++ b/arch/mips/pci/pci-rc32434.c @@ -205,6 +205,8 @@ static int __init rc32434_pcibridge_init(void) static int __init rc32434_pci_init(void) { + void __iomem *io_map_base; + pr_info("PCI: Initializing PCI\n"); ioport_resource.start = rc32434_res_pci_io1.start; @@ -212,6 +214,15 @@ static int __init rc32434_pci_init(void) rc32434_pcibridge_init(); + io_map_base = ioremap(rc32434_res_pci_io1.start, + rc32434_res_pci_io1.end - rc32434_res_pci_io1.start + 1); + + if (!io_map_base) + return -ENOMEM; + + rc32434_controller.io_map_base = + (unsigned long)io_map_base - rc32434_res_pci_io1.start; + register_pci_controller(&rc32434_controller); rc32434_sync(); diff --git a/arch/mips/rb532/devices.c b/arch/mips/rb532/devices.c index c1c29181bd4..4a5f05b662a 100644 --- a/arch/mips/rb532/devices.c +++ b/arch/mips/rb532/devices.c @@ -24,6 +24,7 @@ #include <linux/mtd/partitions.h> #include <linux/gpio_keys.h> #include <linux/input.h> +#include <linux/serial_8250.h> #include <asm/bootinfo.h> @@ -39,6 +40,29 @@ #define ETH0_RX_DMA_ADDR (DMA0_BASE_ADDR + 0 * DMA_CHAN_OFFSET) #define ETH0_TX_DMA_ADDR (DMA0_BASE_ADDR + 1 * DMA_CHAN_OFFSET) +extern unsigned int idt_cpu_freq; + +static struct mpmc_device dev3; + +void set_latch_u5(unsigned char or_mask, unsigned char nand_mask) +{ + unsigned long flags; + + spin_lock_irqsave(&dev3.lock, flags); + + dev3.state = (dev3.state | or_mask) & ~nand_mask; + writeb(dev3.state, dev3.base); + + spin_unlock_irqrestore(&dev3.lock, flags); +} +EXPORT_SYMBOL(set_latch_u5); + +unsigned char get_latch_u5(void) +{ + return dev3.state; +} +EXPORT_SYMBOL(get_latch_u5); + static struct resource korina_dev0_res[] = { { .name = "korina_regs", @@ -86,7 +110,7 @@ static struct korina_device korina_dev0_data = { static struct platform_device korina_dev0 = { .id = -1, .name = "korina", - .dev.platform_data = &korina_dev0_data, + .dev.driver_data = &korina_dev0_data, .resource = korina_dev0_res, .num_resources = ARRAY_SIZE(korina_dev0_res), }; @@ -214,12 +238,32 @@ static struct platform_device rb532_wdt = { .num_resources = ARRAY_SIZE(rb532_wdt_res), }; +static struct plat_serial8250_port rb532_uart_res[] = { + { + .membase = (char *)KSEG1ADDR(REGBASE + UART0BASE), + .irq = UART0_IRQ, + .regshift = 2, + .iotype = UPIO_MEM, + .flags = UPF_BOOT_AUTOCONF, + }, + { + .flags = 0, + } +}; + +static struct platform_device rb532_uart = { + .name = "serial8250", + .id = PLAT8250_DEV_PLATFORM, + .dev.platform_data = &rb532_uart_res, +}; + static struct platform_device *rb532_devs[] = { &korina_dev0, &nand_slot0, &cf_slot0, &rb532_led, &rb532_button, + &rb532_uart, &rb532_wdt }; @@ -291,9 +335,20 @@ static int __init plat_setup_devices(void) nand_slot0_res[0].start = readl(IDT434_REG_BASE + DEV2BASE); nand_slot0_res[0].end = nand_slot0_res[0].start + 0x1000; + /* Read and map device controller 3 */ + dev3.base = ioremap_nocache(readl(IDT434_REG_BASE + DEV3BASE), 1); + + if (!dev3.base) { + printk(KERN_ERR "rb532: cannot remap device controller 3\n"); + return -ENXIO; + } + /* Initialise the NAND device */ rb532_nand_setup(); + /* set the uart clock to the current cpu frequency */ + rb532_uart_res[0].uartclk = idt_cpu_freq; + return platform_add_devices(rb532_devs, ARRAY_SIZE(rb532_devs)); } diff --git a/arch/mips/rb532/gpio.c b/arch/mips/rb532/gpio.c index 0e84c8ab6a3..37de05d595e 100644 --- a/arch/mips/rb532/gpio.c +++ b/arch/mips/rb532/gpio.c @@ -41,8 +41,6 @@ struct rb532_gpio_chip { void __iomem *regbase; }; -struct mpmc_device dev3; - static struct resource rb532_gpio_reg0_res[] = { { .name = "gpio_reg0", @@ -52,61 +50,6 @@ static struct resource rb532_gpio_reg0_res[] = { } }; -static struct resource rb532_dev3_ctl_res[] = { - { - .name = "dev3_ctl", - .start = REGBASE + DEV3BASE, - .end = REGBASE + DEV3BASE + sizeof(struct dev_reg) - 1, - .flags = IORESOURCE_MEM, - } -}; - -void set_434_reg(unsigned reg_offs, unsigned bit, unsigned len, unsigned val) -{ - unsigned long flags; - unsigned data; - unsigned i = 0; - - spin_lock_irqsave(&dev3.lock, flags); - - data = readl(IDT434_REG_BASE + reg_offs); - for (i = 0; i != len; ++i) { - if (val & (1 << i)) - data |= (1 << (i + bit)); - else - data &= ~(1 << (i + bit)); - } - writel(data, (IDT434_REG_BASE + reg_offs)); - - spin_unlock_irqrestore(&dev3.lock, flags); -} -EXPORT_SYMBOL(set_434_reg); - -unsigned get_434_reg(unsigned reg_offs) -{ - return readl(IDT434_REG_BASE + reg_offs); -} -EXPORT_SYMBOL(get_434_reg); - -void set_latch_u5(unsigned char or_mask, unsigned char nand_mask) -{ - unsigned long flags; - - spin_lock_irqsave(&dev3.lock, flags); - - dev3.state = (dev3.state | or_mask) & ~nand_mask; - writel(dev3.state, &dev3.base); - - spin_unlock_irqrestore(&dev3.lock, flags); -} -EXPORT_SYMBOL(set_latch_u5); - -unsigned char get_latch_u5(void) -{ - return dev3.state; -} -EXPORT_SYMBOL(get_latch_u5); - /* rb532_set_bit - sanely set a bit * * bitval: new value for the bit @@ -119,13 +62,11 @@ static inline void rb532_set_bit(unsigned bitval, unsigned long flags; u32 val; - bitval = !!bitval; /* map parameter to {0,1} */ - local_irq_save(flags); val = readl(ioaddr); - val &= ~( ~bitval << offset ); /* unset bit if bitval == 0 */ - val |= ( bitval << offset ); /* set bit if bitval == 1 */ + val &= ~(!bitval << offset); /* unset bit if bitval == 0 */ + val |= (!!bitval << offset); /* set bit if bitval == 1 */ writel(val, ioaddr); local_irq_restore(flags); @@ -171,8 +112,8 @@ static int rb532_gpio_direction_input(struct gpio_chip *chip, unsigned offset) gpch = container_of(chip, struct rb532_gpio_chip, chip); - if (rb532_get_bit(offset, gpch->regbase + GPIOFUNC)) - return 1; /* alternate function, GPIOCFG is ignored */ + /* disable alternate function in case it's set */ + rb532_set_bit(0, offset, gpch->regbase + GPIOFUNC); rb532_set_bit(0, offset, gpch->regbase + GPIOCFG); return 0; @@ -188,8 +129,8 @@ static int rb532_gpio_direction_output(struct gpio_chip *chip, gpch = container_of(chip, struct rb532_gpio_chip, chip); - if (rb532_get_bit(offset, gpch->regbase + GPIOFUNC)) - return 1; /* alternate function, GPIOCFG is ignored */ + /* disable alternate function in case it's set */ + rb532_set_bit(0, offset, gpch->regbase + GPIOFUNC); /* set the initial output value */ rb532_set_bit(value, offset, gpch->regbase + GPIOD); @@ -233,10 +174,11 @@ EXPORT_SYMBOL(rb532_gpio_set_istat); /* * Configure GPIO alternate function */ -static void rb532_gpio_set_func(int bit, unsigned gpio) +void rb532_gpio_set_func(unsigned gpio) { - rb532_set_bit(bit, gpio, rb532_gpio_chip->regbase + GPIOFUNC); + rb532_set_bit(1, gpio, rb532_gpio_chip->regbase + GPIOFUNC); } +EXPORT_SYMBOL(rb532_gpio_set_func); int __init rb532_gpio_init(void) { @@ -253,20 +195,6 @@ int __init rb532_gpio_init(void) /* Register our GPIO chip */ gpiochip_add(&rb532_gpio_chip->chip); - r = rb532_dev3_ctl_res; - dev3.base = ioremap_nocache(r->start, r->end - r->start); - - if (!dev3.base) { - printk(KERN_ERR "rb532: cannot remap device controller 3\n"); - return -ENXIO; - } - - /* configure CF_GPIO_NUM as CFRDY IRQ source */ - rb532_gpio_set_func(0, CF_GPIO_NUM); - rb532_gpio_direction_input(&rb532_gpio_chip->chip, CF_GPIO_NUM); - rb532_gpio_set_ilevel(1, CF_GPIO_NUM); - rb532_gpio_set_istat(0, CF_GPIO_NUM); - return 0; } arch_initcall(rb532_gpio_init); diff --git a/arch/mips/rb532/irq.c b/arch/mips/rb532/irq.c index 549b46d2fce..53eeb5e7bc5 100644 --- a/arch/mips/rb532/irq.c +++ b/arch/mips/rb532/irq.c @@ -46,6 +46,7 @@ #include <asm/system.h> #include <asm/mach-rc32434/irq.h> +#include <asm/mach-rc32434/gpio.h> struct intr_group { u32 mask; /* mask of valid bits in pending/mask registers */ @@ -150,6 +151,9 @@ static void rb532_disable_irq(unsigned int irq_nr) mask |= intr_bit; WRITE_MASK(addr, mask); + if (group == GPIO_MAPPED_IRQ_GROUP) + rb532_gpio_set_istat(0, irq_nr - GPIO_MAPPED_IRQ_BASE); + /* * if there are no more interrupts enabled in this * group, disable corresponding IP @@ -165,12 +169,35 @@ static void rb532_mask_and_ack_irq(unsigned int irq_nr) ack_local_irq(group_to_ip(irq_to_group(irq_nr))); } +static int rb532_set_type(unsigned int irq_nr, unsigned type) +{ + int gpio = irq_nr - GPIO_MAPPED_IRQ_BASE; + int group = irq_to_group(irq_nr); + + if (group != GPIO_MAPPED_IRQ_GROUP) + return (type == IRQ_TYPE_LEVEL_HIGH) ? 0 : -EINVAL; + + switch (type) { + case IRQ_TYPE_LEVEL_HIGH: + rb532_gpio_set_ilevel(1, gpio); + break; + case IRQ_TYPE_LEVEL_LOW: + rb532_gpio_set_ilevel(0, gpio); + break; + default: + return -EINVAL; + } + + return 0; +} + static struct irq_chip rc32434_irq_type = { .name = "RB532", .ack = rb532_disable_irq, .mask = rb532_disable_irq, .mask_ack = rb532_mask_and_ack_irq, .unmask = rb532_enable_irq, + .set_type = rb532_set_type, }; void __init arch_init_irq(void) diff --git a/arch/mips/rb532/serial.c b/arch/mips/rb532/serial.c index 3e0d7ec3a57..00ed19f0bdb 100644 --- a/arch/mips/rb532/serial.c +++ b/arch/mips/rb532/serial.c @@ -36,7 +36,7 @@ extern unsigned int idt_cpu_freq; static struct uart_port rb532_uart = { - .type = PORT_16550A, + .flags = UPF_BOOT_AUTOCONF, .line = 0, .irq = UART0_IRQ, .iotype = UPIO_MEM, diff --git a/arch/mips/txx9/generic/setup_tx4939.c b/arch/mips/txx9/generic/setup_tx4939.c index 6c0049a5bbc..55440967b3a 100644 --- a/arch/mips/txx9/generic/setup_tx4939.c +++ b/arch/mips/txx9/generic/setup_tx4939.c @@ -435,6 +435,28 @@ void __init tx4939_ata_init(void) platform_device_register(&ata1_dev); } +void __init tx4939_rtc_init(void) +{ + static struct resource res[] = { + { + .start = TX4939_RTC_REG & 0xfffffffffULL, + .end = (TX4939_RTC_REG & 0xfffffffffULL) + 0x100 - 1, + .flags = IORESOURCE_MEM, + }, { + .start = TXX9_IRQ_BASE + TX4939_IR_RTC, + .flags = IORESOURCE_IRQ, + }, + }; + static struct platform_device rtc_dev = { + .name = "tx4939rtc", + .id = -1, + .num_resources = ARRAY_SIZE(res), + .resource = res, + }; + + platform_device_register(&rtc_dev); +} + static void __init tx4939_stop_unused_modules(void) { __u64 pcfg, rst = 0, ckd = 0; diff --git a/arch/mips/txx9/rbtx4939/setup.c b/arch/mips/txx9/rbtx4939/setup.c index 98fbd9391bf..656603b85b7 100644 --- a/arch/mips/txx9/rbtx4939/setup.c +++ b/arch/mips/txx9/rbtx4939/setup.c @@ -336,6 +336,7 @@ static void __init rbtx4939_device_init(void) rbtx4939_led_setup(); tx4939_wdt_init(); tx4939_ata_init(); + tx4939_rtc_init(); } static void __init rbtx4939_setup(void) |