redonkable
/
remarkable-uboot
1
0
Fork 0
Code Releases Activity

usb_hub: fix power cycling logic 

When power cycling the hub ports, a misbehaving port will prevent all ports
from being powered on because we quit at the first sign of trouble.

Skip problematic ports instead of failing the entire power on.

Cc: Marek Vasut <marex@denx.de>
Cc: Igor Grinberg <grinberg@compulab.co.il>
Signed-off-by: Nikita Kiryanov <nikita@compulab.co.il>
utp
Nikita Kiryanov 2013-07-29 13:27:39 +03:00 committed by Marek Vasut
parent bb1f327d0a
commit 0adc331b37
1 changed files with 2 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
common/usb_hub.c
View File

@ -110,7 +110,7 @@ static void usb_hub_power_on(struct usb_hub_device *hub)
ret = usb_get_port_status(dev, i + 1, portsts);
if (ret < 0) {
debug("port %d: get_port_status failed\n", i + 1);
return;
continue;
}
/*
@ -125,7 +125,7 @@ static void usb_hub_power_on(struct usb_hub_device *hub)
portstatus = le16_to_cpu(portsts->wPortStatus);
if (portstatus & (USB_PORT_STAT_POWER << 1)) {
debug("port %d: Port power change failed\n", i + 1);
return;
continue;
}
}