Re: [PATCH v4 1/3] spi: add SPI_MOSI_IDLE_LOW mode bit

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On Wed, May 17, 2023 at 8:20 PM Börge Strümpfel
<boerge.struempfel@xxxxxxxxx> wrote:

> My bad. Thanks for letting me know. Just to clarify: I put the
> changelog directly below
> the first ---? And do I then put another --- between the changelog and
> the following
> include/uapi/linux/spi/spi.h | 3 ++- line?  or is there just a
> new-line seperating them.

It should look like this:

Commit log line 1
Commit log line 2
...
Commit log line n

Signed-off-by: Your name <your@xxxxxxxxx>
---
Changes since v3:
- Bla bla bla

> And if you don't mind my trivial questions, am I supposed to write a
> cover letter for
> the patch-stack? I seem to find contradictory answers to this question online.

Yes, for a patch series having a cover letter is helpful.

> > Should tools/spi/spidev_test.c be changed to include this new
> > mosi-idle-low option?
>
> Until now I actually wasn't aware of this tool. However on first
> glance, it seems
> reasonable to add this mode bit. I can certainly add this mode bit to
> the spidev_test
> if desired.

Yes, that would be great.

> While looking through the code, I noticed, that the latest two
> additions to the spi->mode
> (SPI_3WIRE_HIZ and SPI_RX_CPHA_FLIP) are also missing from this tool. Is this
> by design, or should they then be included as well?

Looks like these two are missing and would be good to get them included as well.




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