[PATCH 3/7] mtd: nand: davinci: check required ti,davinci-chipselect property

Ivan Khoronzhuk
2013-11-20T15:23:38Z

The property "ti,davinci-chipselect" is required. So we have to check
if it is set.

Signed-off-by: Ivan Khoronzhuk <ivan.khoronzhuk@ti.com>
---
drivers/mtd/nand/davinci_nand.c | 3 +++
1 file changed, 3 insertions(+)

diff --git a/drivers/mtd/nand/davinci_nand.c b/drivers/mtd/nand/davinci_nand.c
index ddcd7c8..9a96ac7 100644
--- a/drivers/mtd/nand/davinci_nand.c
+++ b/drivers/mtd/nand/davinci_nand.c
@@ -545,6 +545,9 @@ static struct davinci_nand_pdata
if (!of_property_read_u32(pdev->dev.of_node,
"ti,davinci-chipselect", &prop))
pdev->id = prop;
+ else
+ return ERR_PTR(-EINVAL);
+
if (!of_property_read_u32(pdev->dev.of_node,
"ti,davinci-mask-ale", &prop))
pdata->mask_ale = prop;
--
1.7.9.5