On Tue, May 09, 2023 at 03:21:59PM +0200, Sean Nyekjaer wrote: > Add an atomic_xfer method to the driver so that it behaves correctly > when controlling a PMIC that is responsible for device shutdown. > > The atomic_xfer method added is similar to the one from the i2c-mv64xxx > driver. When running an atomic_xfer a bool flag in the driver data is > set, the interrupt is not unmasked on transfer start, and the IRQ > handler is manually invoked while waiting for pending transfers to > complete. > > Signed-off-by: Sean Nyekjaer <sean@xxxxxxxxxx> Pierre-Yves, Alain, any further comments to this patch? > Is it okay to keep the DMA transfer in atomic? Will DMA actually run in atomic mode?
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