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authorHans Ulli Kroll <ulli.kroll@googlemail.com>2019-08-10 17:04:58 +0200
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2019-09-06 10:18:14 +0200
commit6cf3f1cd77bafef468e076ad5ca963dc49d30000 (patch)
tree4531b15b1cab0216ed67172c81fbe063008150c5 /drivers/usb
parentc66c6ac3ff15a7b3ec6986217a1f2c0ec2cac743 (diff)
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: 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>
Diffstat (limited to 'drivers/usb')
-rw-r--r--drivers/usb/host/fotg210-hcd.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/usb/host/fotg210-hcd.c b/drivers/usb/host/fotg210-hcd.c
index 2341af4f3490..11b3a8c57eab 100644
--- a/drivers/usb/host/fotg210-hcd.c
+++ b/drivers/usb/host/fotg210-hcd.c
@@ -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))) {