Re: [PATCH] USB: cdc-wdm: ignore -EPIPE from GetEncapsulatedResponse

2017-10-02 Thread Dan Williams
On Fri, 2017-09-22 at 22:18 +0200, Bjørn Mork wrote: > The driver will forward errors to userspace after turning most of > them > into -EIO. But all status codes are not equal. The -EPIPE (stall) in > particular can be seen more as a result of normal USB signaling than > an actual error. The state

Re: [PATCH] USB: cdc-wdm: ignore -EPIPE from GetEncapsulatedResponse

2017-09-23 Thread Oliver Neukum
Am Freitag, den 22.09.2017, 22:18 +0200 schrieb Bjørn Mork: > > The -EPIPE log message is still kept to let us track devices with this > unexpected behaviour, hoping that it attracts attention from firmware > developers. > > Cc: > Bugzilla:

[PATCH] USB: cdc-wdm: ignore -EPIPE from GetEncapsulatedResponse

2017-09-22 Thread Bjørn Mork
The driver will forward errors to userspace after turning most of them into -EIO. But all status codes are not equal. The -EPIPE (stall) in particular can be seen more as a result of normal USB signaling than an actual error. The state is automatically cleared by the USB core without intervention