On Tue, 5 Jan 2021 at 02:24, Wolfram Sang <[email protected]> wrote: > > On Mon, Dec 14, 2020 at 12:58:50PM +0800, Chunyan Zhang wrote: > > From: Chunyan Zhang <[email protected]> > > > > If the i2c device SCL bus being pulled up due to some exception before > > message transfer done, the system cannot receive the completing interrupt > > signal any more, it would not exit waiting loop until MAX_SCHEDULE_TIMEOUT > > jiffies eclipse, that would make the system seemed hang up. To avoid that > > happen, this patch adds a specific timeout for message transfer. > > > > Fixes: 8b9ec0719834 ("i2c: Add Spreadtrum I2C controller driver") > > Signed-off-by: Linhua Xu <[email protected]> > > Signed-off-by: Chunyan Zhang <[email protected]> > > Took the liberty to change the errno to ETIMEDOUT and applied to > for-current, thanks!
Thanks! Chunyan >
