From: Sascha Hauer <s.hauer@pengutronix.de>
To: Alexander Shiyan <shc_work@mail.ru>
Cc: barebox@lists.infradead.org
Subject: Re: [PATCH] spi: imx: Remove the use of property "fsl, spi-num-chipselects"
Date: Mon, 27 Jun 2016 08:47:06 +0200 [thread overview]
Message-ID: <20160627064706.GU20657@pengutronix.de> (raw)
In-Reply-To: <1466780662-15866-1-git-send-email-shc_work@mail.ru>
On Fri, Jun 24, 2016 at 06:04:22PM +0300, Alexander Shiyan wrote:
> The "fsl,spi-num-chipselects" property will be marked obsolete soon.
> This patch updates the driver to be ready to such changes.
>
> Signed-off-by: Alexander Shiyan <shc_work@mail.ru>
> ---
> drivers/spi/imx_spi.c | 17 +++++------------
> 1 file changed, 5 insertions(+), 12 deletions(-)
Applied, thanks
Sascha
>
> diff --git a/drivers/spi/imx_spi.c b/drivers/spi/imx_spi.c
> index 99ec228..dc7a8c8 100644
> --- a/drivers/spi/imx_spi.c
> +++ b/drivers/spi/imx_spi.c
> @@ -515,23 +515,16 @@ static __maybe_unused struct spi_imx_devtype_data spi_imx_devtype_data_2_3 = {
> static int imx_spi_dt_probe(struct imx_spi *imx)
> {
> struct device_node *node = imx->master.dev->device_node;
> - int ret, i;
> - u32 num_cs;
> + int i;
>
> if (!node)
> return -ENODEV;
>
> - ret = of_property_read_u32(node, "fsl,spi-num-chipselects", &num_cs);
> - if (ret)
> - return ret;
> -
> - imx->master.num_chipselect = num_cs;
> - imx->cs_array = xzalloc(sizeof(u32) * num_cs);
> + imx->master.num_chipselect = of_gpio_named_count(node, "cs-gpios");
> + imx->cs_array = xzalloc(sizeof(u32) * imx->master.num_chipselect);
>
> - for (i = 0; i < num_cs; i++) {
> - int cs_gpio = of_get_named_gpio(node, "cs-gpios", i);
> - imx->cs_array[i] = cs_gpio;
> - }
> + for (i = 0; i < imx->master.num_chipselect; i++)
> + imx->cs_array[i] = of_get_named_gpio(node, "cs-gpios", i);
>
> return 0;
> }
> --
> 2.4.9
>
>
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> barebox@lists.infradead.org
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>
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prev parent reply other threads:[~2016-06-27 6:47 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-06-24 15:04 Alexander Shiyan
2016-06-27 6:47 ` Sascha Hauer [this message]
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