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| author | Rabin Vincent <rabin.vincent@stericsson.com> | 2011-09-20 10:50:03 +0200 |
|---|---|---|
| committer | Grant Likely <grant.likely@secretlab.ca> | 2011-09-20 11:31:58 -0600 |
| commit | 3c0227d262a5835849c68eb8328db016caad6085 (patch) | |
| tree | 1a578a1965bd432a56542cc3d0500f3364395546 /arch/arm/plat-nomadik | |
| parent | b6fd41e29dea9c6753b1843a77e50433e6123bcb (diff) | |
| download | kernel_samsung_smdk4412-3c0227d262a5835849c68eb8328db016caad6085.zip kernel_samsung_smdk4412-3c0227d262a5835849c68eb8328db016caad6085.tar.gz kernel_samsung_smdk4412-3c0227d262a5835849c68eb8328db016caad6085.tar.bz2 | |
gpio/nomadik: disable clocks when unused
The GPIO clock is required for register access and interrupt detection.
When interrupt detection is not required on any of the pin in a block,
the block's clock can be disabled when the registers are not being
accessed.
Signed-off-by: Rabin Vincent <rabin.vincent@stericsson.com>
Reviewed-by: Rickard Andersson <rickard.andersson@stericsson.com>
Reviewed-by: Jonas Aberg <jonas.aberg@stericsson.com>
[Adjust for new IRQ chip core code, use only local functions]
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
Diffstat (limited to 'arch/arm/plat-nomadik')
| -rw-r--r-- | arch/arm/plat-nomadik/include/plat/gpio.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/arch/arm/plat-nomadik/include/plat/gpio.h b/arch/arm/plat-nomadik/include/plat/gpio.h index d5d7e65..4fd3eb3 100644 --- a/arch/arm/plat-nomadik/include/plat/gpio.h +++ b/arch/arm/plat-nomadik/include/plat/gpio.h @@ -78,6 +78,9 @@ extern int nmk_gpio_get_mode(int gpio); extern void nmk_gpio_wakeups_suspend(void); extern void nmk_gpio_wakeups_resume(void); +extern void nmk_gpio_clocks_enable(void); +extern void nmk_gpio_clocks_disable(void); + extern void nmk_gpio_read_pull(int gpio_bank, u32 *pull_up); /* |