[PATCH 2/4] spi: stm32: support per-transfer bits per word switching

[Sascha Hauer]

On Thu, Mar 30, 2023 at 04:53:09PM +0200, Philipp Zabel wrote:
> On Thu, Mar 30, 2023 at 12:33:57PM +0200, Philipp Zabel wrote:
> > Allow dynamically switching data size between transfers.
> > 
> > Signed-off-by: Philipp Zabel <p.zabel at pengutronix.de>
> > ---
> >  drivers/spi/stm32_spi.c | 50 ++++++++++++++++++++++++++++++++---------
> >  1 file changed, 39 insertions(+), 11 deletions(-)
> > 
> > diff --git a/drivers/spi/stm32_spi.c b/drivers/spi/stm32_spi.c
> > index 0d7407c279a2..1ac86fbe11e6 100644
> > --- a/drivers/spi/stm32_spi.c
> > +++ b/drivers/spi/stm32_spi.c
> [...]
> > @@ -543,6 +570,7 @@ static int stm32_spi_probe(struct device *dev)
> >  	master->transfer = stm32_spi_transfer;
> >  	master->mem_ops = &stm32_spi_mem_ops;
> >  
> > +	master->bits_per_word_mask = stm32_spi_get_bpw_mask(priv);
> 
> This has to be moved down a few lines, after the clock is enabled and
> the device is reset. I'll fix this in v2.

Please do so. Otherwise the series looks good to me.

Sascha

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