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(parent: a0c1663) | patch
usb: host: xhci-mem: allocate zeroed Scratchpad Buffer
authorPeter Chen <peter.chen@nxp.com>
Wed, 17 May 2017 15:32:01 +0000 (18:32 +0300)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Thu, 18 May 2017 13:19:41 +0000 (15:19 +0200)
commit7480d912d549f414e0ce39331870899e89a5598c
tree41525528c65e66d98d11ef3ebcd029e5c45382dctree | snapshot
parenta0c16630d35a874e82bdf2088f58ecaca1024315commit | diff
usb: host: xhci-mem: allocate zeroed Scratchpad Buffer

According to xHCI ch4.20 Scratchpad Buffers, the Scratchpad
Buffer needs to be zeroed.

...
The following operations take place to allocate
        Scratchpad Buffers to the xHC:
...
b. Software clears the Scratchpad Buffer to '0'

Cc: stable <stable@vger.kernel.org>
Signed-off-by: Peter Chen <peter.chen@nxp.com>
Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/usb/host/xhci-mem.c diff | blob | history
Domain: System / Kernel;