On Wed, 28 Mar 2012 02:36:19 +0800, Daniel Kurtz <djkurtz@xxxxxxxxxxxx> wrote: > The GMBUS controller can report a NAK condition while a transaction is > still active. If the driver is fast enough, and the bus is slow enough, > the driver may clear the NAK condition while the controller is still > busy, resulting in a confused GMBUS controller. This will leave the > controller in a bad state such that the next transaction may fail. > > Also, return -ENXIO if a device NAKs a transaction. > > Note: this patch also refactors gmbus_xfer to remove the "done" label. > > Signed-off-by: Daniel Kurtz <djkurtz@xxxxxxxxxxxx> Thanks for clarifying the appropriate return codes. Reviewed-by: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx> -Chris -- Chris Wilson, Intel Open Source Technology Centre _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx http://lists.freedesktop.org/mailman/listinfo/dri-devel
