AuxXxilium/linux_dsm_epyc7002
1
0
Fork 0
mirror of https://github.com/AuxXxilium/linux_dsm_epyc7002.git synced 2025-04-07 06:28:00 +07:00
Code Issues Actions Packages Projects Releases Wiki Activity

USB: Make device reset stop retrying after disconnect

Browse Source 
This patch (as898) changes the port reset code in the hub driver.  If
a connect change occurs, it is reported the same way as a disconnect
(which of course is what it really is).

It also changes usb_reset_device(), to prevent the routine from futilely
retrying the reset after a disconnect has occurred.

Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Alan Stern 2007-05-04 11:55:54 -04:00 committed by Greg Kroah-Hartman
parent 3c519b846c
commit dd4dd19e8d
1 changed files with 3 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
drivers/usb/core/hub.c
View File

@ -1539,9 +1539,9 @@ static int hub_port_wait_reset(struct usb_hub *hub, int port1,
if (!(portstatus & USB_PORT_STAT_CONNECTION)) if (!(portstatus & USB_PORT_STAT_CONNECTION))
return -ENOTCONN; return -ENOTCONN;
/* bomb out completely if something weird happened */ /* bomb out completely if the connection bounced */
if ((portchange & USB_PORT_STAT_C_CONNECTION)) if ((portchange & USB_PORT_STAT_C_CONNECTION))
return -EINVAL; return -ENOTCONN;
/* if we`ve finished resetting, then break out of the loop */ /* if we`ve finished resetting, then break out of the loop */
if (!(portstatus & USB_PORT_STAT_RESET) && if (!(portstatus & USB_PORT_STAT_RESET) &&
@ -2974,7 +2974,7 @@ int usb_reset_device(struct usb_device *udev)
* Other endpoints will be handled by re-enumeration. */ * Other endpoints will be handled by re-enumeration. */
ep0_reinit(udev); ep0_reinit(udev);
ret = hub_port_init(parent_hub, udev, port1, i); ret = hub_port_init(parent_hub, udev, port1, i);
if (ret >= 0) if (ret >= 0 || ret == -ENOTCONN || ret == -ENODEV)
break; break;
} }
clear_bit(port1, parent_hub->busy_bits); clear_bit(port1, parent_hub->busy_bits);