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authorDavid Vrabel <david.vrabel@csr.com>2009-04-08 19:36:28 +0200
committerGreg Kroah-Hartman <gregkh@suse.de>2009-04-17 19:50:27 +0200
commit3444b26afa145148951112534f298bdc554ec789 (patch)
treeb2c8d9b13d04869ffdad1e46a9ebbf819e7ed7b4 /drivers/isdn/hisax
parentUSB device codes for Motorola phone. (diff)
downloadlinux-3444b26afa145148951112534f298bdc554ec789.tar.xz
linux-3444b26afa145148951112534f298bdc554ec789.zip
USB: add reset endpoint operations
Wireless USB endpoint state has a sequence number and a current window and not just a single toggle bit. So allow HCDs to provide a endpoint_reset method and call this or clear the software toggles as required (after a clear halt, set configuration etc.). usb_settoggle() and friends are then HCD internal and are moved into core/hcd.h and all device drivers call usb_reset_endpoint() instead. If the device endpoint state has been reset (with a clear halt) but the host endpoint state has not then subsequent data transfers will not complete. The device will only work again after it is reset or disconnected. Signed-off-by: David Vrabel <david.vrabel@csr.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/isdn/hisax')
-rw-r--r--drivers/isdn/hisax/st5481_usb.c9
1 files changed, 1 insertions, 8 deletions
diff --git a/drivers/isdn/hisax/st5481_usb.c b/drivers/isdn/hisax/st5481_usb.c
index ec3c0e507669..2b3a055059ea 100644
--- a/drivers/isdn/hisax/st5481_usb.c
+++ b/drivers/isdn/hisax/st5481_usb.c
@@ -149,14 +149,7 @@ static void usb_ctrl_complete(struct urb *urb)
if (ctrl_msg->dr.bRequest == USB_REQ_CLEAR_FEATURE) {
/* Special case handling for pipe reset */
le16_to_cpus(&ctrl_msg->dr.wIndex);
-
- /* toggle is reset on clear */
- usb_settoggle(adapter->usb_dev,
- ctrl_msg->dr.wIndex & ~USB_DIR_IN,
- (ctrl_msg->dr.wIndex & USB_DIR_IN) == 0,
- 0);
-
-
+ usb_reset_endpoint(adapter->usb_dev, ctrl_msg->dr.wIndex);
}
if (ctrl_msg->complete)