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| author | Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com> | 2016-03-10 11:30:15 +0900 |
|---|---|---|
| committer | Felipe Balbi <felipe.balbi@linux.intel.com> | 2016-03-30 16:02:53 +0300 |
| commit | 6490865c67825277b29638e839850882600b48ec (patch) | |
| tree | 601afc066d0daed0a5a4d5577c9541f6b2397405 /drivers/usb/gadget/function/f_midi.c | |
| parent | 894f2fc44f2f3f48c36c973b1123f6ab298be160 (diff) | |
| download | op-kernel-dev-6490865c67825277b29638e839850882600b48ec.zip op-kernel-dev-6490865c67825277b29638e839850882600b48ec.tar.gz | |
usb: renesas_usbhs: disable TX IRQ before starting TX DMAC transfer
This patch adds a code to surely disable TX IRQ of the pipe before
starting TX DMAC transfer. Otherwise, a lot of unnecessary TX IRQs
may happen in rare cases when DMAC is used.
Fixes: e73a989 ("usb: renesas_usbhs: add DMAEngine support")
Cc: <stable@vger.kernel.org> # v3.1+
Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
Diffstat (limited to 'drivers/usb/gadget/function/f_midi.c')
0 files changed, 0 insertions, 0 deletions
