In order to make the driver more useful on platforms other than Amstrad
Delta, allow GPIO descriptor pointers of possibly non-critical NWP and
NCE pins to be initialised as NULL.
Signed-off-by: Janusz Krzysztofik <jmkrzyszt@xxxxxxxxx>
---
drivers/mtd/nand/raw/ams-delta.c | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/drivers/mtd/nand/raw/ams-delta.c b/drivers/mtd/nand/raw/ams-delta.c
index c481d73e3dcb..0c88e94e9b71 100644
--- a/drivers/mtd/nand/raw/ams-delta.c
+++ b/drivers/mtd/nand/raw/ams-delta.c
@@ -264,14 +264,16 @@ static int ams_delta_init(struct platform_device *pdev)
platform_set_drvdata(pdev, priv);
/* Set chip enabled but write protected */
- priv->gpiod_nwp = devm_gpiod_get(&pdev->dev, "nwp", GPIOD_OUT_HIGH);
+ priv->gpiod_nwp = devm_gpiod_get_optional(&pdev->dev, "nwp",
+ GPIOD_OUT_HIGH);
if (IS_ERR(priv->gpiod_nwp)) {
err = PTR_ERR(priv->gpiod_nwp);
dev_err(&pdev->dev, "NWP GPIO request failed (%d)\n", err);
return err;
}
- priv->gpiod_nce = devm_gpiod_get(&pdev->dev, "nce", GPIOD_OUT_LOW);
+ priv->gpiod_nce = devm_gpiod_get_optional(&pdev->dev, "nce",
+ GPIOD_OUT_LOW);
if (IS_ERR(priv->gpiod_nce)) {
err = PTR_ERR(priv->gpiod_nce);
dev_err(&pdev->dev, "NCE GPIO request failed (%d)\n", err);
--
2.24.1
