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| author | Hans Ulli Kroll <ulli.kroll@googlemail.com> | 2019-08-10 17:04:58 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2019-09-06 10:21:59 +0200 |
| commit | 39ad18a042ab939e4f5a307b2057ea550b376537 (patch) | |
| tree | 48c80b618fe7e39c24a45abb524311305008db81 /drivers | |
| parent | 37654abed26f77429c23de4d777842320c95945c (diff) | |
| download | linux-stable-39ad18a042ab939e4f5a307b2057ea550b376537.tar.gz linux-stable-39ad18a042ab939e4f5a307b2057ea550b376537.tar.bz2 linux-stable-39ad18a042ab939e4f5a307b2057ea550b376537.zip | |
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')
| -rw-r--r-- | drivers/usb/host/fotg210-hcd.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/usb/host/fotg210-hcd.c b/drivers/usb/host/fotg210-hcd.c index e64eb47770c8..2d5a72c15069 100644 --- a/drivers/usb/host/fotg210-hcd.c +++ b/drivers/usb/host/fotg210-hcd.c @@ -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))) { |