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/openbmc/linux/drivers/usb/dwc2/ |
H A D | hcd_intr.c | 151d0cbd Thu Sep 11 17:22:48 CDT 2014 Nick Hudson <skrll@netbsd.org> usb: dwc2: make the scheduler handle excessive NAKs better
I'm seeing problems with a d-link dwcl-g122 wifi dongle that someone sent me. There are reports of other wifi dongles with the same/similar problem. The devices appear to be NAKing to the point of confusing the dwc2 driver completely.
The attached patch helps with my d-link dwl-g122 - it's adapted from the Raspberry Pi dwc_otg driver, which is a modified version of the Synopsys vendor driver. The error recovery is still valid after the patch, I think.
Cc: Dom Cobley <popcornmix@gmail.com> Signed-off-by: Nick Hudson <skrll@netbsd.org> Signed-off-by: Paul Zimmerman <paulz@synopsys.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> 151d0cbd Thu Sep 11 17:22:48 CDT 2014 Nick Hudson <skrll@netbsd.org> usb: dwc2: make the scheduler handle excessive NAKs better I'm seeing problems with a d-link dwcl-g122 wifi dongle that someone sent me. There are reports of other wifi dongles with the same/similar problem. The devices appear to be NAKing to the point of confusing the dwc2 driver completely. The attached patch helps with my d-link dwl-g122 - it's adapted from the Raspberry Pi dwc_otg driver, which is a modified version of the Synopsys vendor driver. The error recovery is still valid after the patch, I think. Cc: Dom Cobley <popcornmix@gmail.com> Signed-off-by: Nick Hudson <skrll@netbsd.org> Signed-off-by: Paul Zimmerman <paulz@synopsys.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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