On Mon, Jan 05, 2015 at 10:31:35AM +0100, Robert Baldyga wrote: > This patch fixes in simpler way the bug described in [1] and [2]. It > looks like DWC2 is the only UDC driver that doesn't force usb requests > to complete in ep_disable() function. This causes described problem, > because we have no guarantee that all requests will be completed before > unbind of usb function. > > To fix this problem we force all requests of disabled endpoint to complete. > Also currently running request is not handled. This allowed to simplify > code of kill_all_requests() function, because 'force' parameter is always > set to true, so we don't need it anymore. > > In s3c_hsotg_rx_data() we change function used to print message when active > request is NULL from dev_warn() to dev_dbg(), because such situation is > harmless for driver and now it can take place during normal endpoint > disabling. > > [1] https://lkml.org/lkml/2014/12/9/283 > [2] https://lkml.org/lkml/2014/12/12/360 > > Signed-off-by: Robert Baldyga <r.baldyga@xxxxxxxxxxx> this fails to apply: checking file drivers/usb/dwc2/gadget.c Hunk #1 succeeded at 2602 (offset 35 lines). Hunk #2 FAILED at 2588. Hunk #3 succeeded at 2645 (offset 36 lines). Hunk #4 FAILED at 2924. 2 out of 4 hunks FAILED -- balbi
Attachment:
signature.asc
Description: Digital signature
