A-Team_Digital_Solutions/android_kernel_motorola_sm6375
Watch
2
0
Fork
You've already forked android_kernel_motorola_sm6375
 0
mirror of https://github.com/BobTheBlinker/android_kernel_motorola_sm6375.git synced 2026-10-29 19:21:31 -04:00
Code Issues Projects Releases Packages Wiki Activity

iio: add resource managed triggered buffer init helpers

Browse source 
Add resource managed devm_iio_triggered_buffer_setup() and
devm_iio_triggered_buffer_cleanup() to automatically clean up triggered
buffers setup by IIO drivers, thus leading to simplified IIO drivers code.

Signed-off-by: Gregor Boirie <[email protected]>
Signed-off-by: Jonathan Cameron <[email protected]>
This commit is contained in:
Gregor Boirie 2016-09-02 20:47:55 +02:00 • committed by Jonathan Cameron
commit 70e483487d
5 changed files with 55 additions and 1 deletions
Download patch file Download diff file Expand all files Collapse all files

42
drivers/iio/buffer/industrialio-triggered-buffer.c
View file

@ -98,6 +98,48 @@ void iio_triggered_buffer_cleanup(struct iio_dev *indio_dev)
}
EXPORT_SYMBOL(iio_triggered_buffer_cleanup);
static void devm_iio_triggered_buffer_clean(struct device *dev, void *res)
{
iio_triggered_buffer_cleanup(*(struct iio_dev **)res);
}
int devm_iio_triggered_buffer_setup(struct device *dev,
struct iio_dev *indio_dev,
irqreturn_t (*h)(int irq, void *p),
irqreturn_t (*thread)(int irq, void *p),
const struct iio_buffer_setup_ops *ops)
{
struct iio_dev **ptr;
int ret;
ptr = devres_alloc(devm_iio_triggered_buffer_clean, sizeof(*ptr),
GFP_KERNEL);
if (!ptr)
return -ENOMEM;
*ptr = indio_dev;
ret = iio_triggered_buffer_setup(indio_dev, h, thread, ops);
if (!ret)
devres_add(dev, ptr);
else
devres_free(ptr);
return ret;
}
EXPORT_SYMBOL_GPL(devm_iio_triggered_buffer_setup);
void devm_iio_triggered_buffer_cleanup(struct device *dev,
struct iio_dev *indio_dev)
{
int rc;
rc = devres_release(dev, devm_iio_triggered_buffer_clean,
devm_iio_device_match, indio_dev);
WARN_ON(rc);
}
EXPORT_SYMBOL_GPL(devm_iio_triggered_buffer_cleanup);
MODULE_AUTHOR("Lars-Peter Clausen <[email protected]>");
MODULE_DESCRIPTION("IIO helper functions for setting up triggered buffers");
MODULE_LICENSE("GPL");

3
drivers/iio/industrialio-core.c
View file

@ -1309,7 +1309,7 @@ static void devm_iio_device_release(struct device *dev, void *res)
iio_device_free(*(struct iio_dev **)res);
}
static int devm_iio_device_match(struct device *dev, void *res, void *data)
int devm_iio_device_match(struct device *dev, void *res, void *data)
{
struct iio_dev **r = res;
if (!r || !*r) {
@ -1318,6 +1318,7 @@ static int devm_iio_device_match(struct device *dev, void *res, void *data)
}
return *r == data;
}
EXPORT_SYMBOL_GPL(devm_iio_device_match);
/**
* devm_iio_device_alloc - Resource-managed iio_device_alloc()