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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2014-04-02 04:06:09 +0400 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2014-04-02 04:06:09 +0400 |
| commit | 3e75c6de1ac33fe3500f44573d9212dc82c99f59 (patch) | |
| tree | ef10932e204ba8a9885051b06d4524d284207d61 /drivers/usb/core/message.c | |
| parent | cb1595563880a81dab6eab9a5ecb4520d2e76077 (diff) | |
| parent | 940ab8f1ef9369da5b58a1bec6820bfd4a7b9042 (diff) | |
| download | linux-3e75c6de1ac33fe3500f44573d9212dc82c99f59.tar.xz | |
Merge tag 'usb-3.15-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Pull USB patches from Greg KH:
"Here's the big USB pull request for 3.15-rc1.
The normal set of patches, lots of controller driver updates, and a
smattering of individual USB driver updates as well.
All have been in linux-next for a while"
* tag 'usb-3.15-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (249 commits)
xhci: Transition maintainership to Mathias Nyman.
USB: disable reset-resume when USB_QUIRK_RESET is set
USB: unbind all interfaces before rebinding any
usb: phy: Add ulpi IDs for SMSC USB3320 and TI TUSB1210
usb: gadget: tcm_usb_gadget: stop format strings
usb: gadget: f_fs: add missing spinlock and mutex unlock
usb: gadget: composite: switch over to ERR_CAST()
usb: gadget: inode: switch over to memdup_user()
usb: gadget: f_subset: switch over to PTR_RET
usb: gadget: lpc32xx_udc: fix wrong clk_put() sequence
USB: keyspan: remove dead debugging code
USB: serial: add missing newlines to dev_<level> messages.
USB: serial: add missing braces
USB: serial: continue to write on errors
USB: serial: continue to read on errors
USB: serial: make bulk_out_size a lower limit
USB: cypress_m8: fix potential scheduling while atomic
devicetree: bindings: document lsi,zevio-usb
usb: chipidea: add support for USB OTG controller on LSI Zevio SoCs
usb: chipidea: imx: Use dev_name() for ci_hdrc name to distinguish USBs
...
Diffstat (limited to 'drivers/usb/core/message.c')
| -rw-r--r-- | drivers/usb/core/message.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/drivers/usb/core/message.c b/drivers/usb/core/message.c index 08d95e9d56c2..3cdcd0a2c0b7 100644 --- a/drivers/usb/core/message.c +++ b/drivers/usb/core/message.c @@ -1293,8 +1293,7 @@ int usb_set_interface(struct usb_device *dev, int interface, int alternate) struct usb_interface *iface; struct usb_host_interface *alt; struct usb_hcd *hcd = bus_to_hcd(dev->bus); - int ret; - int manual = 0; + int i, ret, manual = 0; unsigned int epaddr; unsigned int pipe; @@ -1329,6 +1328,10 @@ int usb_set_interface(struct usb_device *dev, int interface, int alternate) mutex_unlock(hcd->bandwidth_mutex); return -ENOMEM; } + /* Changing alt-setting also frees any allocated streams */ + for (i = 0; i < iface->cur_altsetting->desc.bNumEndpoints; i++) + iface->cur_altsetting->endpoint[i].streams = 0; + ret = usb_hcd_alloc_bandwidth(dev, NULL, iface->cur_altsetting, alt); if (ret < 0) { dev_info(&dev->dev, "Not enough bandwidth for altsetting %d\n", |