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Commit bbc57b3e authored by Hans Ulli Kroll's avatar Hans Ulli Kroll Committed by 谢秀奇
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usb: host: fotg2: restart hcd after port reset


[ Upstream commit 77775888 ]

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>
Signed-off-by: default avatarYang Yingliang <yangyingliang@huawei.com>
parent 90419c6b
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......@@ -1627,6 +1627,10 @@ 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))) {
......
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