[RFC PATCH 09/14] mtd: rawnand: ams-delta: Handle more GPIO pins as optional
From: Janusz Krzysztofik <jmkrzyszt@gmail.com>
Date: 2020-02-12 00:45:52
Also in:
linux-omap
Subsystem:
memory technology devices (mtd), nand flash subsystem, the rest · Maintainers:
Miquel Raynal, Richard Weinberger, Vignesh Raghavendra, Linus Torvalds
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@gmail.com> --- 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
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