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| author | Alexander Shiyan <shc_work@mail.ru> | 2016-06-24 18:04:22 +0300 |
|---|---|---|
| committer | Sascha Hauer <s.hauer@pengutronix.de> | 2016-06-27 08:45:49 +0200 |
| commit | d479f15f24fe54deb1497760de61fe2e9a59176a (patch) | |
| tree | 15344fdf8469a5fd851a68b27904df91d42bfda7 /drivers | |
| parent | 6de2627a411096cc94547d4df5c2b3e8e7fde5e6 (diff) | |
| download | barebox-d479f15f24fe54deb1497760de61fe2e9a59176a.tar.gz barebox-d479f15f24fe54deb1497760de61fe2e9a59176a.tar.xz | |
spi: imx: Remove the use of property "fsl, spi-num-chipselects"
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>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/spi/imx_spi.c | 17 |
1 files changed, 5 insertions, 12 deletions
diff --git a/drivers/spi/imx_spi.c b/drivers/spi/imx_spi.c index 99ec228887..dc7a8c89f3 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; } |