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authorDmitry Torokhov <dmitry.torokhov@gmail.com>2017-06-06 23:59:31 -0700
committerJiri Kosina <jkosina@suse.cz>2017-06-08 13:56:08 +0200
commitd36b7d4c271b2f93127e7e7cc007b5768a296594 (patch)
tree5be5c815fbe2b9418e863bf8389b025761fb046a /drivers/hid
parent6df62e7916befd2c04ac63180b4ddeae2f7639f2 (diff)
downloadlinux-d36b7d4c271b2f93127e7e7cc007b5768a296594.tar.bz2
HID: hiddev: use hid_hw_open/close instead of usbhid_open/close
Instead of calling into usbhid code directly, let's use the standard accessors for the transport HID drivers, and stop clobbering their errors with -EIO. This also allows us make usbhid_open and close static. Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com> Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com> Reviewed-by: Benjamin Tissoires <benjamin.tissoires@redhat.com> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Diffstat (limited to 'drivers/hid')
-rw-r--r--drivers/hid/usbhid/hid-core.c4
-rw-r--r--drivers/hid/usbhid/hiddev.c16
-rw-r--r--drivers/hid/usbhid/usbhid.h2
3 files changed, 11 insertions, 11 deletions
diff --git a/drivers/hid/usbhid/hid-core.c b/drivers/hid/usbhid/hid-core.c
index 83772fa7d92a..fb0cf5d70504 100644
--- a/drivers/hid/usbhid/hid-core.c
+++ b/drivers/hid/usbhid/hid-core.c
@@ -677,7 +677,7 @@ static int hid_get_class_descriptor(struct usb_device *dev, int ifnum,
return result;
}
-int usbhid_open(struct hid_device *hid)
+static int usbhid_open(struct hid_device *hid)
{
struct usbhid_device *usbhid = hid->driver_data;
int res = 0;
@@ -722,7 +722,7 @@ done:
return res;
}
-void usbhid_close(struct hid_device *hid)
+static void usbhid_close(struct hid_device *hid)
{
struct usbhid_device *usbhid = hid->driver_data;
diff --git a/drivers/hid/usbhid/hiddev.c b/drivers/hid/usbhid/hiddev.c
index 0e06368d1fbb..b4f714752245 100644
--- a/drivers/hid/usbhid/hiddev.c
+++ b/drivers/hid/usbhid/hiddev.c
@@ -237,7 +237,7 @@ static int hiddev_release(struct inode * inode, struct file * file)
mutex_lock(&list->hiddev->existancelock);
if (!--list->hiddev->open) {
if (list->hiddev->exist) {
- usbhid_close(list->hiddev->hid);
+ hid_hw_close(list->hiddev->hid);
usbhid_put_power(list->hiddev->hid);
} else {
mutex_unlock(&list->hiddev->existancelock);
@@ -282,11 +282,9 @@ static int hiddev_open(struct inode *inode, struct file *file)
*/
if (list->hiddev->exist) {
if (!list->hiddev->open++) {
- res = usbhid_open(hiddev->hid);
- if (res < 0) {
- res = -EIO;
+ res = hid_hw_open(hiddev->hid);
+ if (res < 0)
goto bail;
- }
}
} else {
res = -ENODEV;
@@ -306,10 +304,14 @@ static int hiddev_open(struct inode *inode, struct file *file)
res = -EIO;
goto bail_unlock;
}
- usbhid_open(hid);
+ res = hid_hw_open(hid);
+ if (res < 0)
+ goto bail_put_power;
}
mutex_unlock(&hiddev->existancelock);
return 0;
+bail_put_power:
+ usbhid_put_power(hid);
bail_unlock:
mutex_unlock(&hiddev->existancelock);
bail:
@@ -935,7 +937,7 @@ void hiddev_disconnect(struct hid_device *hid)
if (hiddev->open) {
mutex_unlock(&hiddev->existancelock);
- usbhid_close(hiddev->hid);
+ hid_hw_close(hiddev->hid);
wake_up_interruptible(&hiddev->wait);
} else {
mutex_unlock(&hiddev->existancelock);
diff --git a/drivers/hid/usbhid/usbhid.h b/drivers/hid/usbhid/usbhid.h
index fa47d666cfcf..83ef5c14aa92 100644
--- a/drivers/hid/usbhid/usbhid.h
+++ b/drivers/hid/usbhid/usbhid.h
@@ -34,8 +34,6 @@
#include <linux/input.h>
/* API provided by hid-core.c for USB HID drivers */
-void usbhid_close(struct hid_device *hid);
-int usbhid_open(struct hid_device *hid);
void usbhid_init_reports(struct hid_device *hid);
int usbhid_get_power(struct hid_device *hid);
void usbhid_put_power(struct hid_device *hid);