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| author | Linus Torvalds <torvalds@g5.osdl.org> | 2005-10-28 09:24:22 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2005-10-28 09:24:22 -0700 |
| commit | 83928e17b92b7a667bfe674f1b330619adc2ac88 (patch) | |
| tree | bdfc0fd037ad1380d75cefa0e47be24e344d977c /arch/arm/mach-s3c2410/gpio.c | |
| parent | 9be16a03928642f944915b8c05945fd87b7a15cb (diff) | |
| parent | 50f4c001bc1534db77663592496204ceba151e97 (diff) | |
Merge master.kernel.org:/home/rmk/linux-2.6-arm
Minor manual fixups for gfp_t clashes.
Diffstat (limited to 'arch/arm/mach-s3c2410/gpio.c')
| -rw-r--r-- | arch/arm/mach-s3c2410/gpio.c | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/arch/arm/mach-s3c2410/gpio.c b/arch/arm/mach-s3c2410/gpio.c index 94f1776cf31..23ea3d5fa09 100644 --- a/arch/arm/mach-s3c2410/gpio.c +++ b/arch/arm/mach-s3c2410/gpio.c @@ -30,6 +30,7 @@ * 04-Oct-2004 BJD Added irq filter controls for GPIO * 05-Nov-2004 BJD EXPORT_SYMBOL() added for all code * 13-Mar-2005 BJD Updates for __iomem + * 26-Oct-2005 BJD Added generic configuration types */ @@ -58,6 +59,27 @@ void s3c2410_gpio_cfgpin(unsigned int pin, unsigned int function) mask = 3 << S3C2410_GPIO_OFFSET(pin)*2; } + switch (function) { + case S3C2410_GPIO_LEAVE: + mask = 0; + function = 0; + break; + + case S3C2410_GPIO_INPUT: + case S3C2410_GPIO_OUTPUT: + case S3C2410_GPIO_SFN2: + case S3C2410_GPIO_SFN3: + if (pin < S3C2410_GPIO_BANKB) { + function &= 1; + function <<= S3C2410_GPIO_OFFSET(pin); + } else { + function &= 3; + function <<= S3C2410_GPIO_OFFSET(pin)*2; + } + } + + /* modify the specified register wwith IRQs off */ + local_irq_save(flags); con = __raw_readl(base + 0x00); |