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Commit 772ce812 authored by Yoshihiro Shimoda's avatar Yoshihiro Shimoda Committed by Felipe Balbi
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usb: renesas_usbhs: Fix receiving data corrupt on R-Car Gen3 with dmac 



Since R-Car Gen3 SoC has the USB-DMAC, this driver should set
dparam->has_usb_dmac to 1. Otherwise, behavior of this driver and
the usb-dmac driver will be mismatch, then sometimes receiving data will
be corrupt.

Fixes: de18757e ("usb: renesas_usbhs: add R-Car Gen3 power control")
Cc: <stable@vger.kernel.org> # v4.5+
Signed-off-by: default avatarYoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Signed-off-by: default avatarFelipe Balbi <felipe.balbi@linux.intel.com>
parent 4491ed50

drivers/usb/renesas_usbhs/common.c

+2 −1
Original line number Diff line number Diff line
@@ -514,7 +514,8 @@ static struct renesas_usbhs_platform_info *usbhs_parse_dt(struct device *dev) 
	if (gpio > 0)

		dparam->enable_gpio = gpio;



	if (dparam->type == USBHS_TYPE_RCAR_GEN2)

	if (dparam->type == USBHS_TYPE_RCAR_GEN2 ||

	    dparam->type == USBHS_TYPE_RCAR_GEN3)

		dparam->has_usb_dmac = 1;



	return info;