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SubjectRe: [PATCH 03/12] i2c: core: introduce callbacks for atomic transfers
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 <>

Tested-by: Stefan Lengfeld <>

Kind regards,

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