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Commit 25b0bb7e authored by Hans Ulli Kroll's avatar Hans Ulli Kroll Committed by Greg Kroah-Hartman
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usb: host: fotg2: restart hcd after port reset 



[ Upstream commit 777758888ffe59ef754cc39ab2f275dc277732f4 ]

On the Gemini SoC the FOTG2 stalls after port reset
so restart the HCD after each port reset.

Signed-off-by: default avatarHans Ulli Kroll <ulli.kroll@googlemail.com>
Signed-off-by: default avatarLinus Walleij <linus.walleij@linaro.org>
Link: https://lore.kernel.org/r/20190810150458.817-1-linus.walleij@linaro.org


Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: default avatarSasha Levin <sashal@kernel.org>
parent 1fe671b6

drivers/usb/host/fotg210-hcd.c

+4 −0
Original line number Diff line number Diff line
@@ -1653,6 +1653,10 @@ static int fotg210_hub_control(struct usb_hcd *hcd, u16 typeReq, u16 wValue, 
			/* see what we found out */

			temp = check_reset_complete(fotg210, wIndex, status_reg,

					fotg210_readl(fotg210, status_reg));



			/* restart schedule */

			fotg210->command |= CMD_RUN;

			fotg210_writel(fotg210, fotg210->command, &fotg210->regs->command);

		}



		if (!(temp & (PORT_RESUME|PORT_RESET))) {