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authorOctavian Purdila <octavian.purdila@intel.com>2014-09-20 00:22:44 +0400
committerLinus Walleij <linus.walleij@linaro.org>2014-09-24 12:53:42 +0400
commit295494af0695bc190e6b939df1036af898c2856f (patch)
treee25aaff1a68a794d720f597a48ee9206ce5994a2 /include/linux/gpio
parent4f51b91335a63b2672a0f21fd13a684c8e35c4e8 (diff)
downloadlinux-295494af0695bc190e6b939df1036af898c2856f.tar.xz
gpiolib: add irq_not_threaded flag to gpio_chip
Some GPIO chips (e.g. the DLN2 USB adapter) have blocking get/set operation but do not need a threaded irq handler. Signed-off-by: Octavian Purdila <octavian.purdila@intel.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Diffstat (limited to 'include/linux/gpio')
-rw-r--r--include/linux/gpio/driver.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/include/linux/gpio/driver.h b/include/linux/gpio/driver.h
index 560bf7fa614f..719fab209158 100644
--- a/include/linux/gpio/driver.h
+++ b/include/linux/gpio/driver.h
@@ -56,6 +56,8 @@ struct seq_file;
* as the chip access may sleep when e.g. reading out the IRQ status
* registers.
* @exported: flags if the gpiochip is exported for use from sysfs. Private.
+ * @irq_not_threaded: flag must be set if @can_sleep is set but the
+ * IRQs don't need to be threaded
*
* A gpio_chip can help platforms abstract various sources of GPIOs so
* they can all be accessed through a common programing interface.
@@ -101,6 +103,7 @@ struct gpio_chip {
struct gpio_desc *desc;
const char *const *names;
bool can_sleep;
+ bool irq_not_threaded;
bool exported;
#ifdef CONFIG_GPIOLIB_IRQCHIP