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Diffstat (limited to 'drivers/hid/hid-core.c')
-rw-r--r--drivers/hid/hid-core.c16
1 files changed, 13 insertions, 3 deletions
diff --git a/drivers/hid/hid-core.c b/drivers/hid/hid-core.c
index 342b7d36d7bb..7d05c4bb201e 100644
--- a/drivers/hid/hid-core.c
+++ b/drivers/hid/hid-core.c
@@ -1066,7 +1066,7 @@ EXPORT_SYMBOL_GPL(hid_report_raw_event);
* @type: HID report type (HID_*_REPORT)
* @data: report contents
* @size: size of data parameter
- * @interrupt: called from atomic?
+ * @interrupt: distinguish between interrupt and control transfers
*
* This is data entry for lower layers.
*/
@@ -1089,8 +1089,7 @@ int hid_input_report(struct hid_device *hid, int type, u8 *data, int size, int i
return -1;
}
- buf = kmalloc(sizeof(char) * HID_DEBUG_BUFSIZE,
- interrupt ? GFP_ATOMIC : GFP_KERNEL);
+ buf = kmalloc(sizeof(char) * HID_DEBUG_BUFSIZE, GFP_ATOMIC);
if (!buf) {
report = hid_get_report(report_enum, data);
@@ -1238,6 +1237,17 @@ int hid_connect(struct hid_device *hdev, unsigned int connect_mask)
}
EXPORT_SYMBOL_GPL(hid_connect);
+void hid_disconnect(struct hid_device *hdev)
+{
+ if (hdev->claimed & HID_CLAIMED_INPUT)
+ hidinput_disconnect(hdev);
+ if (hdev->claimed & HID_CLAIMED_HIDDEV)
+ hdev->hiddev_disconnect(hdev);
+ if (hdev->claimed & HID_CLAIMED_HIDRAW)
+ hidraw_disconnect(hdev);
+}
+EXPORT_SYMBOL_GPL(hid_disconnect);
+
/* a list of devices for which there is a specialized driver on HID bus */
static const struct hid_device_id hid_blacklist[] = {
{ HID_USB_DEVICE(USB_VENDOR_ID_A4TECH, USB_DEVICE_ID_A4TECH_WCP32PU) },