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authorMark Brown <broonie@opensource.wolfsonmicro.com>2010-01-25 14:52:48 +0000
committerMark Brown <broonie@opensource.wolfsonmicro.com>2010-01-25 14:52:48 +0000
commitf1487fcbe47cd2bc0c71e8598bf9eb6a82dec544 (patch)
tree4c7abed6047538c13dd024a8ecffd15f31b4609a /arch/arm/mach-omap2/serial.c
parent84549d239ab9bb2e3a85c6efcf0e6478a38b4260 (diff)
parent40aa7030e5213a43e9e0554fd7f95534ea310bf3 (diff)
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Merge branch 'for-2.6.33' into for-2.6.34
Diffstat (limited to 'arch/arm/mach-omap2/serial.c')
-rw-r--r--arch/arm/mach-omap2/serial.c12
1 files changed, 10 insertions, 2 deletions
diff --git a/arch/arm/mach-omap2/serial.c b/arch/arm/mach-omap2/serial.c
index 19805a7de06..8c964bec815 100644
--- a/arch/arm/mach-omap2/serial.c
+++ b/arch/arm/mach-omap2/serial.c
@@ -125,6 +125,13 @@ static struct plat_serial8250_port serial_platform_data3[] = {
}
};
#endif
+static inline unsigned int __serial_read_reg(struct uart_port *up,
+ int offset)
+{
+ offset <<= up->regshift;
+ return (unsigned int)__raw_readb(up->membase + offset);
+}
+
static inline unsigned int serial_read_reg(struct plat_serial8250_port *up,
int offset)
{
@@ -583,11 +590,12 @@ static unsigned int serial_in_override(struct uart_port *up, int offset)
{
if (UART_RX == offset) {
unsigned int lsr;
- lsr = serial_read_reg(omap_uart[up->line].p, UART_LSR);
+ lsr = __serial_read_reg(up, UART_LSR);
if (!(lsr & UART_LSR_DR))
return -EPERM;
}
- return serial_read_reg(omap_uart[up->line].p, offset);
+
+ return __serial_read_reg(up, offset);
}
void __init omap_serial_early_init(void)