* [PATCH AUTOSEL 4.4 2/4] usb: gadget: composite: Clear "suspended" on reset/disconnect [not found] <20190820134325.11825-1-sashal@kernel.org> @ 2019-08-20 13:43 ` Sasha Levin 2019-08-20 13:43 ` [PATCH AUTOSEL 4.4 3/4] usb: host: fotg2: restart hcd after port reset Sasha Levin 1 sibling, 0 replies; 2+ messages in thread From: Sasha Levin @ 2019-08-20 13:43 UTC (permalink / raw) To: linux-kernel, stable Cc: Benjamin Herrenschmidt, Felipe Balbi, Sasha Levin, linux-usb From: Benjamin Herrenschmidt <benh@kernel.crashing.org> [ Upstream commit 602fda17c7356bb7ae98467d93549057481d11dd ] In some cases, one can get out of suspend with a reset or a disconnect followed by a reconnect. Previously we would leave a stale suspended flag set. Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com> Signed-off-by: Sasha Levin <sashal@kernel.org> --- drivers/usb/gadget/composite.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/usb/gadget/composite.c b/drivers/usb/gadget/composite.c index 8bf54477f4724..351a406b97af7 100644 --- a/drivers/usb/gadget/composite.c +++ b/drivers/usb/gadget/composite.c @@ -1889,6 +1889,7 @@ void composite_disconnect(struct usb_gadget *gadget) * disconnect callbacks? */ spin_lock_irqsave(&cdev->lock, flags); + cdev->suspended = 0; if (cdev->config) reset_config(cdev); if (cdev->driver->disconnect) -- 2.20.1 ^ permalink raw reply related [flat|nested] 2+ messages in thread
* [PATCH AUTOSEL 4.4 3/4] usb: host: fotg2: restart hcd after port reset [not found] <20190820134325.11825-1-sashal@kernel.org> 2019-08-20 13:43 ` [PATCH AUTOSEL 4.4 2/4] usb: gadget: composite: Clear "suspended" on reset/disconnect Sasha Levin @ 2019-08-20 13:43 ` Sasha Levin 1 sibling, 0 replies; 2+ messages in thread From: Sasha Levin @ 2019-08-20 13:43 UTC (permalink / raw) To: linux-kernel, stable Cc: Hans Ulli Kroll, Linus Walleij, Greg Kroah-Hartman, Sasha Levin, linux-usb From: Hans Ulli Kroll <ulli.kroll@googlemail.com> [ 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> --- drivers/usb/host/fotg210-hcd.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/usb/host/fotg210-hcd.c b/drivers/usb/host/fotg210-hcd.c index 2341af4f34909..11b3a8c57eabc 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))) { -- 2.20.1 ^ permalink raw reply related [flat|nested] 2+ messages in thread
end of thread, other threads:[~2019-08-20 13:43 UTC | newest] Thread overview: 2+ messages (download: mbox.gz / follow: Atom feed) -- links below jump to the message on this page -- [not found] <20190820134325.11825-1-sashal@kernel.org> 2019-08-20 13:43 ` [PATCH AUTOSEL 4.4 2/4] usb: gadget: composite: Clear "suspended" on reset/disconnect Sasha Levin 2019-08-20 13:43 ` [PATCH AUTOSEL 4.4 3/4] usb: host: fotg2: restart hcd after port reset Sasha Levin
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