diff options
| -rw-r--r-- | drivers/mtd/nand/raw/ams-delta.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/drivers/mtd/nand/raw/ams-delta.c b/drivers/mtd/nand/raw/ams-delta.c index 11689218d23a..c481d73e3dcb 100644 --- a/drivers/mtd/nand/raw/ams-delta.c +++ b/drivers/mtd/nand/raw/ams-delta.c @@ -202,8 +202,10 @@ static int ams_delta_setup_data_interface(struct nand_chip *this, int csline, if (csline == NAND_DATA_IFACE_CHECK_ONLY) return 0; - priv->tRP = DIV_ROUND_UP(sdr->tRP_min, 1000); - dev_dbg(dev, "using %u ns read pulse width\n", priv->tRP); + if (priv->gpiod_nre) { + priv->tRP = DIV_ROUND_UP(sdr->tRP_min, 1000); + dev_dbg(dev, "using %u ns read pulse width\n", priv->tRP); + } priv->tWP = DIV_ROUND_UP(sdr->tWP_min, 1000); dev_dbg(dev, "using %u ns write pulse width\n", priv->tWP); @@ -276,7 +278,8 @@ static int ams_delta_init(struct platform_device *pdev) return err; } - priv->gpiod_nre = devm_gpiod_get(&pdev->dev, "nre", GPIOD_OUT_LOW); + priv->gpiod_nre = devm_gpiod_get_optional(&pdev->dev, "nre", + GPIOD_OUT_LOW); if (IS_ERR(priv->gpiod_nre)) { err = PTR_ERR(priv->gpiod_nre); dev_err(&pdev->dev, "NRE GPIO request failed (%d)\n", err); |