[PATCH v2 3/3] spinand: bind mtdblock

[Frieder Schrempf]

On 07.03.24 14:07, Alexey Romanov wrote:
> Bind SPI-NAND driver to MTD block driver.
> 
> Signed-off-by: Alexey Romanov <avromanov at salutedevices.com>

Reviewed-by: Frieder Schrempf <frieder.schrempf at kontron.de>

> ---
>  drivers/mtd/nand/spi/core.c | 20 ++++++++++++++++++++
>  1 file changed, 20 insertions(+)
> 
> diff --git a/drivers/mtd/nand/spi/core.c b/drivers/mtd/nand/spi/core.c
> index 2a3dbcfcb4..dd880adf31 100644
> --- a/drivers/mtd/nand/spi/core.c
> +++ b/drivers/mtd/nand/spi/core.c
> @@ -36,6 +36,10 @@
>  #include <linux/printk.h>
>  #endif
>  
> +struct spinand_plat {
> +	struct mtd_info *mtd;
> +};
> +
>  /* SPI NAND index visible in MTD names */
>  static int spi_nand_idx;
>  
> @@ -1174,12 +1178,24 @@ static void spinand_cleanup(struct spinand_device *spinand)
>  	kfree(spinand->scratchbuf);
>  }
>  
> +static int spinand_bind(struct udevice *dev)
> +{
> +	if (blk_enabled()) {
> +		struct spinand_plat *plat = dev_get_plat(dev);
> +
> +		return mtd_bind(dev, &plat->mtd);
> +	}
> +
> +	return 0;
> +}
> +
>  static int spinand_probe(struct udevice *dev)
>  {
>  	struct spinand_device *spinand = dev_get_priv(dev);
>  	struct spi_slave *slave = dev_get_parent_priv(dev);
>  	struct mtd_info *mtd = dev_get_uclass_priv(dev);
>  	struct nand_device *nand = spinand_to_nand(spinand);
> +	struct spinand_plat *plat = dev_get_plat(dev);
>  	int ret;
>  
>  #ifndef __UBOOT__
> @@ -1219,6 +1235,8 @@ static int spinand_probe(struct udevice *dev)
>  	if (ret)
>  		goto err_spinand_cleanup;
>  
> +	plat->mtd = mtd;
> +
>  	return 0;
>  
>  err_spinand_cleanup:
> @@ -1288,6 +1306,8 @@ U_BOOT_DRIVER(spinand) = {
>  	.of_match = spinand_ids,
>  	.priv_auto	= sizeof(struct spinand_device),
>  	.probe = spinand_probe,
> +	.bind = spinand_bind,
> +	.plat_auto = sizeof(struct spinand_plat),
>  };
>  
>  void board_nand_init(void)