target/linux/gemini/patches-4.14/0032-usb-host-fotg2-restart-hcd-after-port-reset.patch

   1 From 731a2896e11b4e6a8d252e6c14edb1b09dbfcd46 Mon Sep 17 00:00:00 2001
   2 From: Hans Ulli Kroll <ulli.kroll@googlemail.com>
   3 Date: Sat, 14 Apr 2018 18:49:57 +0200
   4 Subject: [PATCH 1/2] usb: host: fotg2: restart hcd after port reset
   5
   6 on Gemini SoC FOTG2 stalls after port reset
   7 rerstart the hcd.
   8
   9 Signed-off-by: Hans Ulli Kroll <ulli.kroll@googlemail.com>
  10 ---
  11  drivers/usb/host/fotg210-hcd.c | 4 ++++
  12  1 file changed, 4 insertions(+)
  13
  14 --- a/drivers/usb/host/fotg210-hcd.c
  15 +++ b/drivers/usb/host/fotg210-hcd.c
  16 @@ -1658,6 +1658,10 @@ static int fotg210_hub_control(struct us
  17                         /* see what we found out */
  18                         temp = check_reset_complete(fotg210, wIndex, status_reg,
  19                                         fotg210_readl(fotg210, status_reg));
  20 +
  21 +                       /* restart schedule */
  22 +                       fotg210->command |= CMD_RUN;
  23 +                       fotg210_writel(fotg210, fotg210->command, &fotg210->regs->command);
  24                 }
  25
  26                 if (!(temp & (PORT_RESUME|PORT_RESET))) {