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authorIngo Molnar <mingo@kernel.org>2018-03-20 08:08:02 +0100
committerIngo Molnar <mingo@kernel.org>2018-03-20 08:08:02 +0100
commit10c18c44a6494167e7a7ca3a3a61a67972017bdf (patch)
tree20c3afe744b0d88783161169ec88e45a53662fe7 /drivers/usb/core/message.c
parent9e49e2447c6385e45c6fddd70d6c0e917e21b669 (diff)
parent1b5f3ba415fe4cf8b8b39c8d104ed44cde330658 (diff)
Merge branch 'linus' into sched/core, to pick up fixes
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'drivers/usb/core/message.c')
-rw-r--r--drivers/usb/core/message.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/usb/core/message.c b/drivers/usb/core/message.c
index c64cf6c4a83d..0c11d40a12bc 100644
--- a/drivers/usb/core/message.c
+++ b/drivers/usb/core/message.c
@@ -151,6 +151,10 @@ int usb_control_msg(struct usb_device *dev, unsigned int pipe, __u8 request,
ret = usb_internal_control_msg(dev, pipe, dr, data, size, timeout);
+ /* Linger a bit, prior to the next control message. */
+ if (dev->quirks & USB_QUIRK_DELAY_CTRL_MSG)
+ msleep(200);
+
kfree(dr);
return ret;