On Fri, Oct 5, 2018 at 2:45 PM Jae Hyun Yoo <jae.hyun.yoo@xxxxxxxxxxxxxxx> wrote: > > In multi-master environment, this driver's master cannot know > exactly when peer master sends data to this driver's slave so a > case can be happened that this master tries to send data through > the master_xfer function but slave data from peer master is still > being processed by this driver. > > To prevent any state corruption in the case, this patch adds > checking code if any slave operation is ongoing and it waits up to > the bus timeout duration before starting a master_xfer operation. > > Signed-off-by: Jae Hyun Yoo <jae.hyun.yoo@xxxxxxxxxxxxxxx> Reviewed-by: Brendan Higgins <brendanhiggins@xxxxxxxxxx>
