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Yoshihiro Shimoda authored
[ Upstream commit 6490865c ] 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: e73a9891 ("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> Signed-off-by: Sasha Levin <sasha.levin@oracle.com>
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