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| /linux/drivers/usb/renesas_usbhs/ |
| H A D | fifo.c | diff 6490865c67825277b29638e839850882600b48ec Thu Mar 10 03:30:15 CET 2016 Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com> 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>
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