ChangeSet 1.1321, 2003/05/30 10:25:11-07:00, [EMAIL PROTECTED]
[PATCH] USB: fix address assignment after device reset
Until my ambitious project gets going, this patch at least fixes the
problem of assigning a device's new address following a device reset.
The only change needed to David's original suggestion was to handle the
pathway involved in registering root hubs.
drivers/usb/core/hcd.c | 1 +
drivers/usb/core/hub.c | 3 +++
drivers/usb/core/usb.c | 3 ---
3 files changed, 4 insertions(+), 3 deletions(-)
diff -Nru a/drivers/usb/core/hcd.c b/drivers/usb/core/hcd.c
--- a/drivers/usb/core/hcd.c Fri May 30 11:34:53 2003
+++ b/drivers/usb/core/hcd.c Fri May 30 11:34:53 2003
@@ -720,6 +720,7 @@
int retval;
sprintf (&usb_dev->dev.bus_id[0], "usb%d", usb_dev->bus->busnum);
+ usb_dev->state = USB_STATE_DEFAULT;
retval = usb_new_device (usb_dev, parent_dev);
if (retval)
dev_err (parent_dev, "can't register root hub for %s, %d\n",
diff -Nru a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c
--- a/drivers/usb/core/hub.c Fri May 30 11:34:53 2003
+++ b/drivers/usb/core/hub.c Fri May 30 11:34:53 2003
@@ -737,6 +737,9 @@
if (status != -1) {
usb_clear_port_feature(hub,
port + 1, USB_PORT_FEAT_C_RESET);
+ dev->state = status
+ ? USB_STATE_NOTATTACHED
+ : USB_STATE_DEFAULT;
return status;
}
diff -Nru a/drivers/usb/core/usb.c b/drivers/usb/core/usb.c
--- a/drivers/usb/core/usb.c Fri May 30 11:34:53 2003
+++ b/drivers/usb/core/usb.c Fri May 30 11:34:53 2003
@@ -1017,9 +1017,6 @@
/* dma masks come from the controller; readonly, except to hcd */
dev->dev.dma_mask = parent->dma_mask;
- /* it's not usable yet */
- dev->state = USB_STATE_DEFAULT;
-
/* USB 2.0 section 5.5.3 talks about ep0 maxpacket ...
* it's fixed size except for full speed devices.
*/
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