On Tue, Jan 03, 2023 at 10:40:23AM +0800, Haotien Hsu wrote: > From: Sing-Han Chen <singhanc@xxxxxxxxxx> > > For the CCGx, when the OPM field in the INTR_REG is cleared, then the > CCI data in the PPM is reset. > > To align with the CCGx UCSI interface guide, this patch updates the > driver to copy CCI and MESSAGE_IN before clearing UCSI interrupt. > When a new command is sent, the driver will clear the old CCI and > MESSAGE_IN copy. > > Finally, clear UCSI_READ_INT before calling complete() to ensure that > the ucsi_ccg_sync_write() would wait for the interrupt handling to > complete. > It prevents the driver from resetting CCI prematurely. > > Signed-off-by: Sing-Han Chen <singhanc@xxxxxxxxxx> > Signed-off-by: Haotien Hsu <haotienh@xxxxxxxxxx> > Reported-by: kernel test robot <lkp@xxxxxxxxx> The test robot reported this whole issue? If not, it should not be here. thanks, greg k-h
