[PATCH] spi: xilinx: Add DT support for selecting transfer word width

[Alvaro Gamez Machado <alvaro.gamez@xxxxxxxxxx>]

Signed-off-by: Alvaro Gamez Machado <alvaro.gamez@xxxxxxxxxx>
---
 drivers/spi/spi-xilinx.c | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/drivers/spi/spi-xilinx.c b/drivers/spi/spi-xilinx.c
index 92ea22fedb33..46bb103ef30e 100644
--- a/drivers/spi/spi-xilinx.c
+++ b/drivers/spi/spi-xilinx.c
@@ -380,7 +380,7 @@ static int xilinx_spi_probe(struct platform_device *pdev)
 	struct xilinx_spi *xspi;
 	struct xspi_platform_data *pdata;
 	struct resource *res;
-	int ret, num_cs = 0, bits_per_word = 8;
+	int ret, num_cs = 0, bits_per_word;
 	struct spi_master *master;
 	u32 tmp;
 	u8 i;
@@ -392,6 +392,11 @@ static int xilinx_spi_probe(struct platform_device *pdev)
 	} else {
 		of_property_read_u32(pdev->dev.of_node, "xlnx,num-ss-bits",
 					  &num_cs);
+		ret = of_property_read_u32(pdev->dev.of_node,
+					   "xlnx,num-transfer-bits",
+					   &bits_per_word);
+		if (ret)
+			bits_per_word = 8;
 	}
 
 	if (!num_cs) {
-- 
2.23.0