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usb: host: fotg2: restart hcd after port reset

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[ Upstream commit 777758888f ]

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

Signed-off-by: Hans Ulli Kroll <ulli.kroll@googlemail.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Link: https://lore.kernel.org/r/20190810150458.817-1-linus.walleij@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Hans Ulli Kroll 2019-08-10 17:04:58 +02:00 committed by Greg Kroah-Hartman
parent 5938612e6f
commit 8e32498a18
1 changed files with 4 additions and 0 deletions
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4
drivers/usb/host/fotg210-hcd.c
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@ -1652,6 +1652,10 @@ 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))) {