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authorAlexander Shiyan <shc_work@mail.ru>2013-05-06 13:53:50 (GMT)
committerDavid Woodhouse <David.Woodhouse@intel.com>2013-08-05 19:45:16 (GMT)
commitee4f36663b2a3626a9dadb2679a0ddcff1371891 (patch)
tree1c94ff697a10522203c643aa26fa014c9afe973e
parentc85d32d56859bb01f775e12771150dc47a7b03ba (diff)
downloadlinux-ee4f36663b2a3626a9dadb2679a0ddcff1371891.tar.xz
mtd: nand-gpio: Do not override GPIOs if driver uses platform_data but OF is enabled in kernel config
Signed-off-by: Alexander Shiyan <shc_work@mail.ru> Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com> Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
-rw-r--r--drivers/mtd/nand/gpio.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/mtd/nand/gpio.c b/drivers/mtd/nand/gpio.c
index 8f102d1..0d26f8b 100644
--- a/drivers/mtd/nand/gpio.c
+++ b/drivers/mtd/nand/gpio.c
@@ -151,6 +151,9 @@ static int gpio_nand_get_config_of(const struct device *dev,
{
u32 val;
+ if (!dev->of_node)
+ return -ENODEV;
+
if (!of_property_read_u32(dev->of_node, "bank-width", &val)) {
if (val == 2) {
plat->options |= NAND_BUSWIDTH_16;