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@xxxxxxx>
---
drivers/spi/imx_spi.c | 17 +++++------------
1 file changed, 5 insertions(+), 12 deletions(-)
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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