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usb: kbd: Do not deregister usbkbd twice when using dm 

The dm usb_kbd_remove function() will deregister the usb keyboard for
us on a "usb reset" / "usb stop" so there is no need to manually call
usb_kbd_deregister() in the dm case.

This commit removes usb_kbd_deregister() in the dm case fixing the
following "usb reset" errors:

usb_kbd_remove: warning, ret=-6
device_remove: Device 'usb_kbd' failed to remove, but children are gone

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
utp
Hans de Goede 2016-04-03 09:18:53 +02:00 committed by Marek Vasut
parent cfb3f1cd0e
commit 9a80e71435
2 changed files with 3 additions and 2 deletions
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2
cmd/usb.c
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@ -541,7 +541,7 @@ static int do_usbboot(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
static int do_usb_stop_keyboard(int force)
{
#ifdef CONFIG_USB_KEYBOARD
#if !defined CONFIG_DM_USB && defined CONFIG_USB_KEYBOARD
if (usb_kbd_deregister(force) != 0) {
printf("USB not stopped: usbkbd still using USB\n");
return 1;

3
common/usb_kbd.c
View File

@ -566,7 +566,6 @@ int drv_usb_kbd_init(void)
/* No USB Keyboard found */
return -1;
}
#endif
/* Deregister the keyboard. */
int usb_kbd_deregister(int force)
@ -599,6 +598,8 @@ int usb_kbd_deregister(int force)
#endif
}
#endif
#ifdef CONFIG_DM_USB
static int usb_kbd_probe(struct udevice *dev)