On Sun, Oct 11, 2020 at 07:39:20PM +0530, Manivannan Sadhasivam wrote: > On Fri, Oct 09, 2020 at 12:44:40AM +0300, Cristian Ciocaltea wrote: > > Atomic transfers are required to properly power off a machine through > > an I2C controlled PMIC, such as the Actions Semi ATC260x series. > > > > System shutdown may happen with interrupts being disabled and, as a > > consequence, the kernel may hang if the driver does not support atomic > > transfers. > > > > This functionality is essentially implemented by polling the FIFO > > Status register until either Command Execute Completed or NACK Error > > bits are set. > > > > Signed-off-by: Cristian Ciocaltea <cristian.ciocaltea@xxxxxxxxx> > > Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@xxxxxxxxxx> > > Thanks, > Mani Thanks for reviewing, Cristi
