| Commit message (Collapse) | Author | Age | Files | Lines |
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The check for a valid mux name should be performed regardless of whether
DEBUG_FS is enabled or not. Otherwise without DEBUG_FS, we get:
Unable to handle kernel NULL pointer dereference at virtual address 00000000
pgd = c0004000
[00000000] *pgd=00000000
Internal error: Oops: 5 [#1]
last sysfs file:
Modules linked in:
CPU: 0 Not tainted (2.6.33-rc8 #10)
PC is at strcmp+0x18/0x40
LR is at omap_mux_init_signal+0x68/0x14c
...
This fixes the issue currently seen with boards not booting up
if DEBUG_FS is not enabled in defconfig.
Note that the earlier ifndef + ifdef now becomes simpler ifdef else:
If CONFIG_OMAP_MUX is selected, we use pin names. If it's not selected,
we only want the GPIO to mux register mapping.
Signed-off-by: Ranjith Lohithakshan <ranjithl@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
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The platform data allocated with kmalloc() will become unreachable once
the init is complete, so it should be freed. The problem was discovered
by kmemleak.
Signed-off-by: Aaro Koskinen <aaro.koskinen@nokia.com>
Acked-by: Adrian Hunter <adrian.hunter@nokia.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
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* master.kernel.org:/home/rmk/linux-2.6-arm:
ARM: Fix wrong register in proc-arm6_7.S data abort handler
ARM: 5909/1: ARM: Correct the FPSCR bits setting when raising exceptions
ARM: 5904/1: ARM: Always generate the IT instruction when compiling for Thumb-2
ARM: 5907/1: ARM: Fix the reset on the RealView PBX Development board
mx35: add a missing comma in a pad definition
mx25: make the FEC AHB clk secondary of the IPG
mx25: fix time accounting
mx25: properly initialize clocks
mx25: remove unused mx25_clocks_init() argument
i.MX25: implement secondary clocks for uarts and fec
i.MX25: Allow secondary clocks in DEFINE_CLOCK
ARM: MX3: Fixed typo in declared enum type name.
MXC: Add AUDMUXv2 register decode to debugfs
mx31ads: Provide an IRQ range to the WM835x on the 1133-EV1 module
mx31ads: Provide a name for EXPIO interrupt chip
mx31ads: Allow enable/disable of switchable supplies
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Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Reported-by: Tim Sander <tstone@vlsi.informatik.tu-darmstadt.de>
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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This makes the FEC clock configuration consistent with the UART one.
Signed-off-by: Baruch Siach <baruch@tkos.co.il>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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The gpt_clk rate function doesn't consider the PER divider. This causes a
significant drift in time accounting. Fix this by introducing the correct rate
calculation function.
Signed-off-by: Baruch Siach <baruch@tkos.co.il>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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This patch disables all unnecessary clock in mx25_clocks_init() to make a clean
start, the same as is being done for the rest of the i.MX chips.
This patch was tested on i.MX25 PDK.
Signed-off-by: Baruch Siach <baruch@tkos.co.il>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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The fref is needless on mx25 since the reference clock is fixed at 24MHz.
Signed-off-by: Baruch Siach <baruch@tkos.co.il>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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For uarts and fec need two clocks, implement it using the secondary clock
field in struct clk.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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To distinguish between mx31lite and mx31lilly boards better to use
different enum types.
Signed-off-by: Vladimir Zapolskiy <vzapolskiy@gmail.com>
Acked-by: Daniel Mack <daniel@caiaq.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Since AUDMUX configuration appears to be one of the common stumbling
blocks for people setting up i.MX audio try to provide some diagnostic
information describing the current setup to assisist people in working
out what's going on.
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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The WM8350 core won't actually use the range yet, but it will in
future and the platform data to configure it is there now.
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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This makes it a bit more obvious in genirq diagnostics that they
aren't handled by the i.MX interrupt controller.
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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They will be automatically powered off at startup so users will
need to enable them for use.
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Commit c98929c07a removed the clearing of the FPSCR[31:28] bits from the
vfp_raise_exceptions() function and the new bits are or'ed with the old
FPSCR bits leading to unexpected results (the original commit was
referring to the cumulative bits - FPSCR[4:0]).
Reported-by: Tom Hameenanttila <tmhameen@marvell.com>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Current behaviour is to generate the IT instruction only for Thumb-2
code. However, the kernel helpers in entry-armv.S are compiled to ARM in
a unified syntax file (if THUMB2_KERNEL). Recent compilers warn about
missing IT instruction in unified assembly syntax files. The patch
changes the "-mimplicit-it" gas option to "always".
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Signed-off-by: Colin Tuckley <colin.tuckley@arm.com>
Acked-by: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Currently the omap serial clocks are autoidled after 5 seconds.
However, this causes lost characters on the serial ports. As this
is considered non-standard behaviour for Linux, disable the timeout.
Note that this will also cause blocking of any deeper omap sleep
states.
To enable the autoidling of the serial ports, do something like
this for each serial port:
# echo 5 > /sys/devices/platform/serial8250.0/sleep_timeout
# echo 5 > /sys/devices/platform/serial8250.1/sleep_timeout
...
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
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I have found an access to already released memory in
clk_debugfs_register_one() function.
Signed-off-by: Marek Skuczynski <mareksk7@gmail.com>
Acked-by: Paul Walmsley <paul@pwsan.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
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David Binderman ran the sourceforge tool cppcheck over the source code of the
new Linux kernel 2.6.33-rc6:
[./arm/mach-omap2/mux.c:492]: (error) Buffer access out-of-bounds
13 characters + 1 digit + 1 zero byte is more than 14 characters.
Also add a comment on mode0 name length in case new omaps
start using longer names.
Reported-by: David Binderman <dcb314@hotmail.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
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3630 has more mux signals than 34xx. The additional pins
exist in omap36xx_cbp_subset, but are not initialized
as the superset is missing these offsets. This causes
the following errors during the boot:
mux: Unknown entry offset 0x236
mux: Unknown entry offset 0x22e
mux: Unknown entry offset 0x1ec
mux: Unknown entry offset 0x1ee
mux: Unknown entry offset 0x1f4
mux: Unknown entry offset 0x1f6
mux: Unknown entry offset 0x1f8
mux: Unknown entry offset 0x1fa
mux: Unknown entry offset 0x1fc
mux: Unknown entry offset 0x22a
mux: Unknown entry offset 0x226
mux: Unknown entry offset 0x230
mux: Unknown entry offset 0x22c
mux: Unknown entry offset 0x228
Fix this by adding the missing offsets to omap3 superset.
Note that additionally the uninitialized pins need to be
skipped on 34xx.
Based on an earlier patch by Allen Pais <allen.pais@ti.com>.
Reported-by: Allen Pais <allen.pais@ti.com>
Signed-off-by: Allen Pais <allen.pais@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
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Ensure valid clock pointer during GPMC init. Fixes compiler
warning about potential use of uninitialized variable.
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
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Ensure valid base address during IRQ init. Fixes compiler warning
about potential use of uninitialized variable.
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
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OMAP platforms(like OMAP3530) include DSP or other co-processors
for media acceleration. when carving out memory for the
accelerators we can end up creating a hole in the memory map
of sort:
<kernel memory><hole(memory for accelerator)><kernel memory>
To handle such a memory configuration ARCH_HAS_HOLES_MEMORYMODEL
has to be enabled. For further information refer discussion at:
http://www.mail-archive.com/linux-omap@vger.kernel.org/msg15262.html.
Signed-off-by: Sriramakrishnan <srk@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
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Remove old unused defines for OMAP_32KSYNCT_BASE
Signed-off-by: Tony Lindgren <tony@atomide.com>
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The only usage of _toggle_gpio_edge_triggering is in
an #ifdef CONFIG_ARCH_OMAP1 block, so only provide it if
CONFIG_ARCH_OMAP1 is defined, too.
This fixes a compiler warning:
arch/arm/plat-omap/gpio.c:758: warning: '_toggle_gpio_edge_triggering' defined but not used
when compiling for ARCH_OMAP2, ARCH_OMAP3 or ARCH_OMAP4.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Acked-by: Kevin Hilman <khilman@deeprootsystems.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
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Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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git://git.kernel.org/pub/scm/linux/kernel/git/ycmiao/pxa-linux-2.6
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PXA25x does not have IPR registers, saving and restoring should happen
only for pxa27x and pxa3xx.
Signed-off-by: Eric Miao <eric.y.miao@gmail.com>
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GPIO89_AC97_nRESET is really a PXA26x specific option and was
incorrectly named.
Signed-off-by: Eric Miao <eric.y.miao@gmail.com>
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There is no such GPIO for udc vbus sensing, put '-1' instead of default
'0' as '0' does mean a valid GPIO.
Signed-off-by: Eric Miao <eric.y.miao@gmail.com>
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This patch fixes power LED blinking and power-off on DNS-323 rev. B1.
GPIO pin 3 has to be set to 1 to stop power LED blinking and to allow the LED to be controlled via leds-gpio. This pin has to be also set to 1 for power-off to work.
To power-off the rev. B1 machine, pin 8 has to be set to 1 and then set to 0 to do actual power-off.
Tested on my DNS-323 rev. B1
Signed-off-by: Erik Benada <erikbenada@yahoo.ca>
Signed-off-by: Nicolas Pitre <nico@marvell.com>
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Signed-off-by: Dirk Teurlings <dirk@upexia.nl>
Signed-off-by: Lennert Buytenhek <buytenh@marvell.com>
Signed-off-by: Nicolas Pitre <nico@marvell.com>
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Signed-off-by: Saeed Bishara <saeed@marvell.com>
Signed-off-by: Lennert Buytenhek <buytenh@marvell.com>
Signed-off-by: Nicolas Pitre <nico@marvell.com>
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power of two
The PCIe inbound window size is supposed to be a power of two. If
the total amount of RAM installed in the system is not a power of two,
round it up such that it is.
Signed-off-by: Lennert Buytenhek <buytenh@marvell.com>
Signed-off-by: Nicolas Pitre <nico@marvell.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap-2.6
* 'omap-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap-2.6: (25 commits)
OMAP2/3: DMTIMER: Clear pending interrupts when stopping a timer
PM debug: Fix warning when no CONFIG_DEBUG_FS
OMAP3: PM: DSS PM_WKEN to refill DMA
OMAP: timekeeping: time should not stop during suspend
OMAP3: PM: Force write last pad config register into save area
OMAP: omap3_pm_get_suspend_state() error ignored in pwrdm_suspend_get()
OMAP3: PM: Enable wake-up from McBSP2, 3 and 4 modules
OMAP3: PM debug: fix build error when !CONFIG_DEBUG_FS
OMAP3: PM: Removing redundant and potentially dangerous PRCM configration
OMAP3: Fixed ARM aux ctrl register save/restore
OMAP3: CPUidle: Fixed timer resolution
OMAP3: PM: Remove duplicate code blocks
OMAP3: PM: Disable interrupt controller AUTOIDLE before WFI
OMAP3: PM: Enable system control module autoidle
OMAP3: PM: Ack pending interrupts before entering suspend
omap: Enable GPMC clock in gpmc_init
OMAP1 clock: fix for "BUG: spinlock lockup on CPU#0"
OMAP4: clocks: Fix the clksel_rate struct DPLL divs
OMAP4: PRCM: Fix the base address for CHIRONSS reg defines
OMAP: dma_chan[lch_head].flag & OMAP_DMA_ACTIVE tested twice in omap_dma_unlink_lch()
...
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OMAP GP timers keep running for a few cycles after they are stopped,
which can cause the timer to expire and generate an interrupt. The
pending interrupt will prevent e.g. OMAP from entering suspend, thus
we ack it manually. Only applicable on OMAP2/3/4.
Signed-off-by: Tero Kristo <tero.kristo@nokia.com>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
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Don't assume that gpmc_l3_clk is on, enable it before touching
configuration registers.
Note that the current code assumes that this clock is always
enabled. We are already setting smart idle and L3 autogating
for GPMC clock in gpmc_init.
Signed-off-by: Olof Johansson <olof@lixom.net>
Signed-off-by: Tony Lindgren <tony@atomide.com>
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omap_dma_unlink_lch()
The same flag and bits were tested twice.
Signed-off-by: Roel Kluin <roel.kluin@gmail.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
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We need to set the omap_chip.oc carefully for the clocks to work.
To fix this, set the omap_chip.oc in omap3_check_features() based
on the CONTROL_IDCODE and silicon revision registers.
Also add handling for 34xx es3.1.2 as es3.1 for now.
Fixes booting on at least overo board.
Based on an earlier patch by Paul Walmsley <paul@pwsan.com>.
Signed-off-by: Paul Walmsley <paul@pwsan.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
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Make the omap_mux_read and write available for board code,
and rename omap_mux_set_board_signals into omap_mux_write_array.
Also add the related prototypes and comments into mux.h.
In some cases we want to change the signals dynamically,
mostly for power management.
Note that we cannot use the signal names as they are set
__init to save memory.
Signed-off-by: Tony Lindgren <tony@atomide.com>
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Looks like cmdline muxing got broken at some point when we
decided to limit muxing to __init code. Currently omap_mux_entry
list is not yet initialized when we try to initialize cmdline
muxing.
Fix this by calling omap_mux_init_list() before calling
omap_mux_set_cmdline_signals().
Reported-by: Philip Balister <philip@balister.org>
Tested-by: Philip Balister <philip@balister.org>
Signed-off-by: Tony Lindgren <tony@atomide.com>
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master.kernel.org:/pub/scm/linux/kernel/git/khilman/linux-omap-pm into omap-fixes-for-linus
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Fix following warning when CONFIG_DEBUG_FS wasn't selected:
arch/arm/mach-omap2/pm-debug.c:57: warning: 'pm_dbg_init' declared 'static' but never defined
Signed-off-by: Sergio Aguirre <saaguirre@ti.com>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
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Currently, DSS does not wakeup when there is a DMA request. DSS wake
up event must be enabled so that the DMA request to refill the FIFO
will wake up the CORE domain.
Signed-off-by: Subramani Venkatesh <subramani.venkatesh@windriver.com>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
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