Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18;
Date:   Mon, 9 Nov 2020 12:02:09 +0100
From:   Oleksij Rempel <o.rempel@pengutronix.de>
To:     Dmitry Torokhov <dmitry.torokhov@gmail.com>,
        Alexandru Ardelean <alexandru.ardelean@analog.com>,
        Mark Brown <broonie@kernel.org>
Cc:     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
Message-ID: <20201109110209.lz5polbjvvoq5fwa@pengutronix.de>
References: <20201027095724.18654-1-o.rempel@pengutronix.de>
 <20201027095724.18654-3-o.rempel@pengutronix.de>
MIME-Version: 1.0
Content-Type: text/plain; charset=utf-8
Content-Disposition: inline
In-Reply-To: <20201027095724.18654-3-o.rempel@pengutronix.de>
User-Agent: NeoMutt/20170113 (1.7.2)
Precedence: bulk

Hello Dmitry,

ping for this patch as well.

Regards,
Oleksij

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>
> ---
>  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
> 
> 

-- 
Pengutronix e.K.                           |                             |
Steuerwalder Str. 21                       | http://www.pengutronix.de/  |
31137 Hildesheim, Germany                  | Phone: +49-5121-206917-0    |
Amtsgericht Hildesheim, HRA 2686           | Fax:   +49-5121-206917-5555 |