summaryrefslogtreecommitdiffstats
path: root/drivers/gpio/gpiolib.h
diff options
context:
space:
mode:
authorLinus Walleij <linus.walleij@linaro.org>2016-02-11 11:37:48 +0100
committerLinus Walleij <linus.walleij@linaro.org>2016-02-16 00:20:02 +0100
commit43c54ecade400cf6ca8203f960b525fbe5b73a13 (patch)
treea21d68b83a3629237c790a69a3d9d461972f07ae /drivers/gpio/gpiolib.h
parentgpio: move the pin ranges into gpio_device (diff)
downloadlinux-43c54ecade400cf6ca8203f960b525fbe5b73a13.tar.xz
linux-43c54ecade400cf6ca8203f960b525fbe5b73a13.zip
gpio: move the subdriver data pointer into gpio_device
We move to manage this pointer under gpiolib control rather than leave it in the subdevice's gpio_chip. We can not NULL it after gpiochip_remove so at to keep things tight. Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Diffstat (limited to 'drivers/gpio/gpiolib.h')
-rw-r--r--drivers/gpio/gpiolib.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/gpio/gpiolib.h b/drivers/gpio/gpiolib.h
index 5a36908fd39d..ddbe409ad48f 100644
--- a/drivers/gpio/gpiolib.h
+++ b/drivers/gpio/gpiolib.h
@@ -37,6 +37,7 @@ struct acpi_device;
* of the @descs array.
* @base: GPIO base in the DEPRECATED global Linux GPIO numberspace, assigned
* at device creation time.
+ * @data: per-instance data assigned by the driver
* @list: links gpio_device:s together for traversal
*
* This state container holds most of the runtime variable data
@@ -54,6 +55,7 @@ struct gpio_device {
struct gpio_desc *descs;
int base;
u16 ngpio;
+ void *data;
struct list_head list;
#ifdef CONFIG_PINCTRL