[U-Boot] [PATCH v2 8/9] usb: kbd: use usb_int_msg_nonblock for polling

Michal Suchanek msuchanek at suse.de
Tue Jul 2 17:55:33 UTC 2019


With the following patch it avoids excessive delays with USB 1.1
keyboard connected to high-speed USB hub conncted to dwc2.

Signed-off-by: Michal Suchanek <msuchanek at suse.de>
---
v2: usb_submit_int_msg -> usb_int_msg
---
 common/usb_kbd.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/common/usb_kbd.c b/common/usb_kbd.c
index 71da890b762a..c7be125f1811 100644
--- a/common/usb_kbd.c
+++ b/common/usb_kbd.c
@@ -317,7 +317,7 @@ static inline void usb_kbd_poll_for_event(struct usb_device *dev)
 	struct usb_kbd_pdata *data = dev->privptr;
 
 	/* Submit a interrupt transfer request */
-	if (!usb_int_msg(dev, data->intpipe, &data->new[0],
+	if (!usb_int_msg_nonblock(dev, data->intpipe, &data->new[0],
 				  data->intpktsize, data->intinterval))
 		usb_kbd_irq_worker(dev);
 #elif defined(CONFIG_SYS_USB_EVENT_POLL_VIA_CONTROL_EP) || \
-- 
2.21.0



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