diff options
| author | Janusz Krzysztofik <jmkrzyszt@gmail.com> | 2020-02-12 01:39:26 +0100 |
|---|---|---|
| committer | Miquel Raynal <miquel.raynal@bootlin.com> | 2020-03-11 16:17:53 +0100 |
| commit | d1b1a8f73a21c7807b23144f41174b71a5a60a40 (patch) | |
| tree | d341c5c4c08d17430d8c780b4dd5722452edc690 /drivers | |
| parent | 7c2f66a960fccc165d0b6c594f40f0ad3edfc61f (diff) | |
mtd: rawnand: ams-delta: Support custom driver initialisation
In preparation for extending the driver with custom I/O support, try to
obtain device specific initialisation routine from a matching device
table entry and run it as an additional step of device probe.
Signed-off-by: Janusz Krzysztofik <jmkrzyszt@gmail.com>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Link: https://lore.kernel.org/linux-mtd/20200212003929.6682-12-jmkrzyszt@gmail.com
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/mtd/nand/raw/ams-delta.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/drivers/mtd/nand/raw/ams-delta.c b/drivers/mtd/nand/raw/ams-delta.c index a493f1dc6677..60502edfbeab 100644 --- a/drivers/mtd/nand/raw/ams-delta.c +++ b/drivers/mtd/nand/raw/ams-delta.c @@ -22,6 +22,7 @@ #include <linux/mtd/nand-gpio.h> #include <linux/mtd/rawnand.h> #include <linux/mtd/partitions.h> +#include <linux/of_device.h> #include <linux/platform_device.h> #include <linux/sizes.h> @@ -230,6 +231,7 @@ static int ams_delta_init(struct platform_device *pdev) struct nand_chip *this; struct mtd_info *mtd; struct gpio_descs *data_gpiods; + int (*probe)(struct platform_device *pdev, struct ams_delta_nand *priv); int err = 0; if (pdata) { @@ -319,6 +321,15 @@ static int ams_delta_init(struct platform_device *pdev) priv->data_gpiods = data_gpiods; priv->data_in = true; + if (pdev->id_entry) + probe = (void *) pdev->id_entry->driver_data; + else + probe = of_device_get_match_data(&pdev->dev); + if (probe) + err = probe(pdev, priv); + if (err) + return err; + /* Initialize the NAND controller object embedded in ams_delta_nand. */ priv->base.ops = &ams_delta_ops; nand_controller_init(&priv->base); |