kernel/linux.git/drivers/usb/core/message.c, branch v2.6.28

USB: don't register endpoints for interfaces that are going away

2008-11-13T22:45:00+00:00

This patch (as1155) fixes a bug in usbcore. When interfaces are deleted, either because the device was disconnected or because of a configuration change, the extra attribute files and child endpoint devices may get left behind. This is because the core removes them before calling device_del(). But during device_del(), after the driver is unbound the core will reinstall altsetting 0 and recreate those extra attributes and children. The patch prevents this by adding a flag to record when the interface is in the midst of being unregistered. When the flag is set, the attribute files and child devices will not be created. Signed-off-by: Alan Stern Cc: stable [2.6.27, 2.6.26, 2.6.25] Signed-off-by: Greg Kroah-Hartman

USB: remove warn() macro from usb drivers

2008-10-17T21:41:09+00:00

USB should not be having it's own printk macros, so remove warn() and use the system-wide standard of dev_warn() wherever possible. In the few places that will not work out, use a basic printk(). Signed-off-by: Greg Kroah-Hartman

USB: fix interface unregistration logic

2008-08-14T00:32:50+00:00

This patch (as1122) fixes a bug: When an interface is unregistered, its children (sysfs files and endpoint devices) are unregistered after it instead of before. Signed-off-by: Alan Stern Tested-by: Kay Sievers Cc: stable Signed-off-by: Greg Kroah-Hartman

Fix USB storage hang on command abort

2008-08-05T17:23:19+00:00

Okay, I found the cause of the hang. It is a simple bug in the USB scatter-gather library, caused by changes added in response to the S-G chaining modification. This patch (as1125) fixes a bug in the USB scatter-gather library. Early exit from the S-G initialization loop does not reset the count of outstanding URBs. Signed-off-by: Alan Stern Cc: Matthew Dharm Cc: David Brownell Cc: Alan Jenkins Cc: James Bottomley Cc: Greg KH Signed-off-by: Linus Torvalds

USB: fix comment of usb_set_configuration

2008-07-21T22:16:32+00:00

It is the usb interface driver probe() methods that can't call usb_set_configuration, not usb device driver. Signed-off-by: Ming Lei Signed-off-by: Greg Kroah-Hartman

USB: use standard SG iterator in the scatter-gather library

2008-07-21T22:16:32+00:00

This patch (as1103) changes the iteration in the USB scatter-gather to use a standard SG iterator. Otherwise the iteration will fail if it encounters a chained SG list. Signed-off-by: Alan Stern Acked-by: Jens Axboe Signed-off-by: Greg Kroah-Hartman

USB: usb dev_set_name() instead of dev->bus_id

2008-07-21T22:15:47+00:00

The bus_id field is going away, use the dev_set_name() function to set it properly. Signed-off-by: Kay Sievers Signed-off-by: Greg Kroah-Hartman

USB: usb dev_name() instead of dev->bus_id

2008-07-21T22:15:46+00:00

The bus_id field is going away, use the dev_name() function instead. Signed-off-by: Kay Sievers Signed-off-by: Greg Kroah-Hartman

USB: create attributes before sending uevent

2008-05-14T17:00:26+00:00

This patch (as1087d) fixes a long-standing problem in usbcore: Device, interface, and endpoint attributes aren't added until _after_ the creation uevent has already been broadcast. Unfortunately there are a few attributes which cannot be created that early. The "descriptors" attribute is binary and so must be created separately. The power-management attributes can't be created until the dev/power/ group exists. And the interface string can vary from one altsetting to another, so it has to be created dynamically. Signed-off-by: Alan Stern Cc: Kay Sievers Signed-off-by: Greg Kroah-Hartman

USB: fix cannot work usb storage when using ohci-sm501

2008-05-02T17:25:54+00:00

When I used ohci-sm501, hcd_alloc_coherent() in map_urb_for_dma() is not called, because usb_sg_init() always sets URB_NO_TRANSFER_DMA_MAP. dmesg (CONFIG_USB_STORAGE_DEBUG enabled): usb-storage: Bulk Command S 0x43425355 T 0x1 L 36 F 128 Trg 0 LUN 0 CL 6 usb-storage: usb_stor_bulk_transfer_buf: xfer 31 bytes usb-storage: Status code 0; transferred 31/31 usb-storage: -- transfer complete usb-storage: Bulk command transfer result=0 usb-storage: usb_stor_bulk_transfer_sglist: xfer 36 bytes, 1 entries usb-storage: Status code -75; transferred 0/36 usb-storage: -- babble usb-storage: Bulk data transfer result 0x3 usb-storage: Attempting to get CSW... usb-storage: usb_stor_bulk_transfer_buf: xfer 13 bytes usb-storage: Status code 0; transferred 13/13 usb-storage: -- transfer complete usb-storage: Bulk status result = 0 usb-storage: Bulk Status S 0x53425355 T 0x1 R 0 Stat 0x0 usb-storage: scsi cmd done, result=0x2 Signed-off-by: Yoshihiro Shimoda Signed-off-by: Greg Kroah-Hartman