spi/xilinx: Use of_property_read_u32 for reading value from node

It simplifies driver probing.

Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Signed-off-by: Mark Brown <broonie@linaro.org>

1 files changed, 3 insertions, 11 deletions

diff --git a/drivers/spi/spi-xilinx.c b/drivers/spi/spi-xilinx.c
index a9b99a997f91..0b23408d357c 100644
--- a/drivers/spi/spi-xilinx.c
+++ b/drivers/spi/spi-xilinx.c
@@ -353,17 +353,9 @@ static int xilinx_spi_probe(struct platform_device *pdev)
         if (pdata) {
                 num_cs = pdata->num_chipselect;
                 bits_per_word = pdata->bits_per_word;
-        }
-
-        if (pdev->dev.of_node) {
-                const __be32 *prop;
-                int len;
-
-                /* number of slave select bits is required */
-                prop = of_get_property(pdev->dev.of_node, "xlnx,num-ss-bits",
-                                       &len);
-                if (prop && len >= sizeof(*prop))
-                        num_cs = __be32_to_cpup(prop);
+        } else {
+                of_property_read_u32(pdev->dev.of_node, "xlnx,num-ss-bits",
+                                          &num_cs);
         }
 
         if (!num_cs) {