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authorHans Ulli Kroll <ulli.kroll@googlemail.com>2019-08-10 17:04:58 +0200
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2019-08-15 14:49:16 +0200
commit777758888ffe59ef754cc39ab2f275dc277732f4 (patch)
tree3c12de05d2f9f92fcb185c3526ee3537e5b0f765
parent54364278fb3cabdea51d6398b07c87415065b3fc (diff)
usb: host: fotg2: restart hcd after port reset
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>
-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 77cc36efae95..0dbfa5c10703 100644
--- a/drivers/usb/host/fotg210-hcd.c
+++ b/drivers/usb/host/fotg210-hcd.c
@@ -1629,6 +1629,10 @@ 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))) {