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HID: add a new helper to_hid_driver()

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Add a new helper to_hid_driver() and use it in hid-core.c.

Signed-off-by: Geliang Tang <[email protected]>
Signed-off-by: Jiri Kosina <[email protected]>
This commit is contained in:
Geliang Tang 2015-12-27 17:25:22 +08:00 • committed by Jiri Kosina
commit ba91a96718
2 changed files with 6 additions and 4 deletions
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7
drivers/hid/hid-core.c
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@ -2077,7 +2077,7 @@ struct hid_dynid {
static ssize_t store_new_id(struct device_driver *drv, const char *buf,
size_t count)
{
struct hid_driver *hdrv = container_of(drv, struct hid_driver, driver);
struct hid_driver *hdrv = to_hid_driver(drv);
struct hid_dynid *dynid;
__u32 bus, vendor, product;
unsigned long driver_data = 0;
@ -2139,7 +2139,7 @@ static const struct hid_device_id *hid_match_device(struct hid_device *hdev,
static int hid_bus_match(struct device *dev, struct device_driver *drv)
{
struct hid_driver *hdrv = container_of(drv, struct hid_driver, driver);
struct hid_driver *hdrv = to_hid_driver(drv);
struct hid_device *hdev = to_hid_device(dev);
return hid_match_device(hdev, hdrv) != NULL;
@ -2147,8 +2147,7 @@ static int hid_bus_match(struct device *dev, struct device_driver *drv)
static int hid_device_probe(struct device *dev)
{
struct hid_driver *hdrv = container_of(dev->driver,
struct hid_driver, driver);
struct hid_driver *hdrv = to_hid_driver(dev->driver);
struct hid_device *hdev = to_hid_device(dev);
const struct hid_device_id *id;
int ret = 0;