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(parent: aa65d11) | patch
usb: gadget: f_hid: Use spinlock instead of mutex
authorKrzysztof Opasiak <kopasiak90@gmail.com>
Thu, 19 Jan 2017 17:55:29 +0000 (18:55 +0100)
committerFelipe Balbi <felipe.balbi@linux.intel.com>
Tue, 24 Jan 2017 09:04:18 +0000 (11:04 +0200)
commit33e4c1a9987a1fc3b42c3b534100b5b006d55c61
treee23f03736fee171f5674698af24372ccd941445ftree | snapshot
parentaa65d11aa008f4de58a9cee7e121666d9d68505ecommit | diff
usb: gadget: f_hid: Use spinlock instead of mutex

As IN request has to be allocated in set_alt() and released in
disable() we cannot use mutex to protect it as we cannot sleep
in those funcitons. Let's replace this mutex with a spinlock.

Cc: stable@vger.kernel.org
Tested-by: David Lechner <david@lechnology.com>
Signed-off-by: Krzysztof Opasiak <k.opasiak@samsung.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
drivers/usb/gadget/function/f_hid.c diff | blob | history
Domain: System / Kernel;