Re: [PATCH 03/12] i2c: core: introduce callbacks for atomic transfers

[Stefan Lengfeld]

Hi Wolfram,

On Wed, Apr 03, 2019 at 02:40:10PM +0200, Wolfram Sang wrote:
> We had the request to access devices very late when interrupts are not
> available anymore multiple times now. Mostly to prepare shutdown or
> reboot. Allow adapters to specify a specific callback for this case.
> Note that we fall back to the generic {master|smbus}_xfer callback if
> this new atomic one is not present. This is intentional to preserve the
> previous behaviour and avoid regressions. Because there are drivers not
> using interrupts or because it might have worked "accidently" before.
> 
> Signed-off-by: Wolfram Sang <wsa+renesas@xxxxxxxxxxxxxxxxxxxx>

Tested-by: Stefan Lengfeld <contact@xxxxxxxxxxxxxxx>

Kind regards,
Stefan