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| /linux/drivers/usb/renesas_usbhs/ |
| H A D | fifo.c | diff 700aa7ff8d2c2b9cc669c99375e2ccd06d3cd38d Mon Aug 08 14:50:53 CEST 2016 Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com> usb: renesas_usbhs: Use dmac only if the pipe type is bulk
This patch fixes an issue that isochronous transfer's data is possible to
be lost as a workaround. Since this driver uses a workqueue to start
the dmac, the transfer is possible to be delayed when system load is high.
Fixes: 6e4b74e4690d ("usb: renesas: fix scheduling in atomic context bug")
Cc: <stable@vger.kernel.org> # v3.4+
Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
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