From: Dmitry Torokhov <dmitry.torokhov@gmail.com>
To: Oleksij Rempel <o.rempel@pengutronix.de>
Cc: Alexandru Ardelean <alexandru.ardelean@analog.com>,
Mark Brown <broonie@kernel.org>,
kernel@pengutronix.de, linux-kernel@vger.kernel.org,
linux-input@vger.kernel.org, linux-spi@vger.kernel.org,
David Jander <david@protonic.nl>
Subject: Re: [PATCH v2 2/2] Input: ads7846: do not overwrite spi->mode flags set by spi framework
Date: Wed, 11 Nov 2020 10:51:55 -0800 [thread overview]
Message-ID: <20201111185155.GX1003057@dtor-ws> (raw)
In-Reply-To: <20201027095724.18654-3-o.rempel@pengutronix.de>
On Tue, Oct 27, 2020 at 10:57:24AM +0100, Oleksij Rempel wrote:
> Do not overwrite spi->mode flags set by spi framework, otherwise the
> chip select polarity will get lost.
>
> Signed-off-by: Oleksij Rempel <o.rempel@pengutronix.de>
Acked-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Mark, could you please pick up this one through your tree as well? I do
not believe that outstanding patches that I have in my queue for this
driver will clash with it.
Thanks!
> ---
> drivers/input/touchscreen/ads7846.c | 3 ++-
> 1 file changed, 2 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/input/touchscreen/ads7846.c b/drivers/input/touchscreen/ads7846.c
> index 8fd7fc39c4fd..f2dc2c8ab5ec 100644
> --- a/drivers/input/touchscreen/ads7846.c
> +++ b/drivers/input/touchscreen/ads7846.c
> @@ -1288,7 +1288,8 @@ static int ads7846_probe(struct spi_device *spi)
> * may not. So we stick to very-portable 8 bit words, both RX and TX.
> */
> spi->bits_per_word = 8;
> - spi->mode = SPI_MODE_0;
> + spi->mode &= ~SPI_MODE_X_MASK;
> + spi->mode |= SPI_MODE_0;
> err = spi_setup(spi);
> if (err < 0)
> return err;
> --
> 2.28.0
>
--
Dmitry
next prev parent reply other threads:[~2020-11-11 18:52 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-10-27 9:57 [PATCH v2 0/2] SPI/ Input: ads7846: properly handle spi->mode flags Oleksij Rempel
2020-10-27 9:57 ` [PATCH v2 1/2] spi: introduce SPI_MODE_X_MASK macro Oleksij Rempel
2020-10-27 9:57 ` [PATCH v2 2/2] Input: ads7846: do not overwrite spi->mode flags set by spi framework Oleksij Rempel
2020-11-09 11:02 ` Oleksij Rempel
2020-11-11 18:51 ` Dmitry Torokhov [this message]
2020-11-11 15:48 ` [PATCH v2 0/2] SPI/ Input: ads7846: properly handle spi->mode flags Mark Brown
2020-11-12 19:39 ` Mark Brown
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20201111185155.GX1003057@dtor-ws \
--to=dmitry.torokhov@gmail.com \
--cc=alexandru.ardelean@analog.com \
--cc=broonie@kernel.org \
--cc=david@protonic.nl \
--cc=kernel@pengutronix.de \
--cc=linux-input@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-spi@vger.kernel.org \
--cc=o.rempel@pengutronix.de \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).