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SUSE:SLE-15-SP1:Update
u-boot-socfpgade0nanosoc
0017-dwc2-use-the-nonblock-argument-in-s.patch
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File 0017-dwc2-use-the-nonblock-argument-in-s.patch of Package u-boot-socfpgade0nanosoc
From fb319751e7f1f223602536ff81a7546ce70f3a5e Mon Sep 17 00:00:00 2001 From: Michal Suchanek <msuchanek@suse.de> Date: Sun, 18 Aug 2019 10:55:28 +0200 Subject: [PATCH] dwc2: use the nonblock argument in submit_int_msg An USB 1.1 keyboard connected to dwc2 through a high-speed hub does not report status until it changes. With this patch you can enable keyboard by pressing a key while USB devices are probed. Without a keypress no state is reported and the probe times out. We don't want to wait for a keypress or timeout while polling for keypresses so implement an int_msg nonblock variant that exits early on error. Signed-off-by: Michal Suchanek <msuchanek@suse.de> (cherry picked from commit 9dcab2c4d2cb50ab1864c818b82a72393c160236) Signed-off-by: Matthias Brugger <mbrugger@suse.com> --- drivers/usb/host/dwc2.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/usb/host/dwc2.c b/drivers/usb/host/dwc2.c index bc6166283c..350d820a6e 100644 --- a/drivers/usb/host/dwc2.c +++ b/drivers/usb/host/dwc2.c @@ -1123,7 +1123,7 @@ int _submit_int_msg(struct dwc2_priv *priv, struct usb_device *dev, return -ETIMEDOUT; } ret = _submit_bulk_msg(priv, dev, pipe, buffer, len); - if (ret != -EAGAIN) + if ((ret != -EAGAIN) || nonblock) return ret; } }
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