From: K. Y. Srinivasan <kys@microsoft.com>
Date: Sat, 29 Mar 2014 00:41:27 +0000 (-0700)
Subject: HID: hyperv: Implement a stub raw_request() entry point
X-Git-Tag: v3.15-rc1~114^2~4^2~1
X-Git-Url: https://asedeno.scripts.mit.edu/gitweb/?a=commitdiff_plain;h=269ddfc68a49ed885a32c4d6bedb088bd3312b8c;p=linux.git

HID: hyperv: Implement a stub raw_request() entry point

commit 3c86726cfe38 ("HID: make .raw_request mandatory") made .raw_request
mandatory and broke the Hyper-V mouse driver. This patch fixes the problem.

Signed-off-by: K. Y. Srinivasan <kys@microsoft.com>
Reviewed-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
---

diff --git a/drivers/hid/hid-hyperv.c b/drivers/hid/hid-hyperv.c
index 8fae6d1414cc..866e6a86203c 100644
--- a/drivers/hid/hid-hyperv.c
+++ b/drivers/hid/hid-hyperv.c
@@ -455,12 +455,22 @@ static void mousevsc_hid_stop(struct hid_device *hid)
 {
 }
 
+static int mousevsc_hid_raw_request(struct hid_device *hid,
+				    unsigned char report_num,
+				    __u8 buf, size_t len,
+				    unsigned char rtype,
+				    int reqtype)
+{
+	return 0;
+}
+
 static struct hid_ll_driver mousevsc_ll_driver = {
 	.parse = mousevsc_hid_parse,
 	.open = mousevsc_hid_open,
 	.close = mousevsc_hid_close,
 	.start = mousevsc_hid_start,
 	.stop = mousevsc_hid_stop,
+	.raw_request = mousevsc_hid_raw_request,
 };
 
 static struct hid_driver mousevsc_hid_driver;