Re: [PATCH v6 10/17] iio: adc: ad7944: don't use storagebits for sizing

From: Jonathan Cameron
Date: Sat Dec 14 2024 - 11:56:25 EST


On Wed, 11 Dec 2024 14:54:47 -0600
David Lechner <dlechner@xxxxxxxxxxxx> wrote:

> Replace use of storagebits with realbits for determining the number of
> bytes needed for SPI transfers.
>
> When adding SPI offload support, storagebits will no longer be
> guaranteed to be the "best fit" for 16-bit chips so we can no longer
> rely on storagebits being the correct size expected by the SPI
> framework. Instead, derive the correct size from realbits since it will
> always be correct even when SPI offloads are used.
A more specific example with widths etc might be useful addition to this
commit message.

>
> Signed-off-by: David Lechner <dlechner@xxxxxxxxxxxx>
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@xxxxxxxxxx>