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author | Linus Torvalds <torvalds@linux-foundation.org> | 2011-10-29 07:27:45 -0700 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2011-10-29 07:27:45 -0700 |
commit | 41684f67af75b04152a1714e1a5375dfb00ee3da (patch) | |
tree | 3b0f51dd8103a4fd40ebb6cefeece7579e348cde /include/linux | |
parent | ec7ae517537ae5c7b0b2cd7f562dfa3e7a05b954 (diff) | |
parent | d92ef29a6fa971d9e314e412cd9c09757906411a (diff) | |
download | linux-stable-41684f67af75b04152a1714e1a5375dfb00ee3da.tar.gz linux-stable-41684f67af75b04152a1714e1a5375dfb00ee3da.tar.bz2 linux-stable-41684f67af75b04152a1714e1a5375dfb00ee3da.zip |
Merge branch 'gpio/next' of git://git.secretlab.ca/git/linux-2.6
* 'gpio/next' of git://git.secretlab.ca/git/linux-2.6:
h8300: Move gpio.h to gpio-internal.h
gpio: pl061: add DT binding support
gpio: fix build error in include/asm-generic/gpio.h
gpiolib: Ensure struct gpio is always defined
irq: Add EXPORT_SYMBOL_GPL to function of irq generic-chip
gpio-ml-ioh: Use NUMA_NO_NODE not GFP_KERNEL
gpio-pch: Use NUMA_NO_NODE not GFP_KERNEL
gpio: langwell: ensure alternate function is cleared
gpio-pch: Support interrupt function
gpio-pch: Save register value in suspend()
gpio-pch: modify gpio_nums and mask
gpio-pch: support ML7223 IOH n-Bus
gpio-pch: add spinlock in suspend/resume processing
gpio-pch: Delete invalid "restore" code in suspend()
gpio-ml-ioh: Fix suspend/resume issue
gpio-ml-ioh: Support interrupt function
gpio-ml-ioh: Delete unnecessary code
gpio/mxc: add chained_irq_enter/exit() to mx3_gpio_irq_handler()
gpio/nomadik: use genirq core to track enablement
gpio/nomadik: disable clocks when unused
Diffstat (limited to 'include/linux')
-rw-r--r-- | include/linux/amba/pl061.h | 3 | ||||
-rw-r--r-- | include/linux/gpio.h | 22 |
2 files changed, 13 insertions, 12 deletions
diff --git a/include/linux/amba/pl061.h b/include/linux/amba/pl061.h index 5ddd9ad4b19c..2412af944f1f 100644 --- a/include/linux/amba/pl061.h +++ b/include/linux/amba/pl061.h @@ -7,8 +7,7 @@ struct pl061_platform_data { unsigned gpio_base; /* number of the first IRQ. - * If the IRQ functionality in not desired this must be set to - * (unsigned) -1. + * If the IRQ functionality in not desired this must be set to NO_IRQ. */ unsigned irq_base; diff --git a/include/linux/gpio.h b/include/linux/gpio.h index 17b5a0d80e42..38ac48b7d3a8 100644 --- a/include/linux/gpio.h +++ b/include/linux/gpio.h @@ -14,6 +14,18 @@ #define GPIOF_OUT_INIT_LOW (GPIOF_DIR_OUT | GPIOF_INIT_LOW) #define GPIOF_OUT_INIT_HIGH (GPIOF_DIR_OUT | GPIOF_INIT_HIGH) +/** + * struct gpio - a structure describing a GPIO with configuration + * @gpio: the GPIO number + * @flags: GPIO configuration as specified by GPIOF_* + * @label: a literal description string of this GPIO + */ +struct gpio { + unsigned gpio; + unsigned long flags; + const char *label; +}; + #ifdef CONFIG_GENERIC_GPIO #include <asm/gpio.h> @@ -24,18 +36,8 @@ #include <linux/errno.h> struct device; -struct gpio; struct gpio_chip; -/* - * Some platforms don't support the GPIO programming interface. - * - * In case some driver uses it anyway (it should normally have - * depended on GENERIC_GPIO), these routines help the compiler - * optimize out much GPIO-related code ... or trigger a runtime - * warning when something is wrongly called. - */ - static inline bool gpio_is_valid(int number) { return false; |