| From | Greg Kroah-Hartman <> | Subject | [PATCH 4.7 039/143] usb: renesas_usbhs: Fix receiving data corrupt on R-Car Gen3 with dmac | Date | Mon, 5 Sep 2016 18:43:35 +0200 |
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4.7-stable review patch. If anyone has any objections, please let me know.
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From: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
commit 772ce81264b179c0e61340998e3b29e900b2fa6d upstream.
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: de18757e272d ("usb: renesas_usbhs: add R-Car Gen3 power control") Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com> Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
--- drivers/usb/renesas_usbhs/common.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-)
--- a/drivers/usb/renesas_usbhs/common.c +++ b/drivers/usb/renesas_usbhs/common.c @@ -514,7 +514,8 @@ static struct renesas_usbhs_platform_inf 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;
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