Messages in this thread | | | Date | Mon, 12 Oct 2020 12:07:53 +0300 | From | Cristian Ciocaltea <> | Subject | Re: [PATCH 2/3] i2c: owl: Add support for atomic transfers |
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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@gmail.com> > > Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org> > > Thanks, > Mani
Thanks for reviewing, Cristi
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