Messages in this thread | | | Subject | Re: [PATCH] i2c: stm32f7: Add atomic_xfer method to driver | From | Sean Nyekjaer <> | Date | Mon, 3 Jul 2023 12:21:02 +0200 |
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> On 3 Jul 2023, at 11.50, Wolfram Sang <wsa@kernel.org> wrote: > > >>> Will DMA actually run in atomic mode? > >> Atomic is mainly(only) used for writing a single register in the PMIC >> for the stpmic. > > And this most probably during shutdown... > >> Guess that will not trigger any DMA use. > > ... so I'd be very surprised if DMA is operational that late. I think we > can rule that out independent of I2C messages to be trasnferred. >
Yes, I’ll submit a V2 without the DMA functionality.
/Sean
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