[PATCH v2 2/3] mtd: rawnand: Prepare the late addition of supported operation checks

[liao jaime]

> Add an empty envelope just to show how to add additional checks for new
> operations. This is going to be used for sequential cached reads, which
> require the page size to be known (and the discovery to be over), hence
> the "late" designation.
>
> Signed-off-by: Miquel Raynal <miquel.raynal at bootlin.com>
> ---
>  drivers/mtd/nand/raw/nand_base.c | 10 ++++++++++
>  1 file changed, 10 insertions(+)
>
> diff --git a/drivers/mtd/nand/raw/nand_base.c b/drivers/mtd/nand/raw/nand_base.c
> index 83bfb1ba2fa3..34395d5d3a47 100644
> --- a/drivers/mtd/nand/raw/nand_base.c
> +++ b/drivers/mtd/nand/raw/nand_base.c
> @@ -5009,6 +5009,14 @@ static void rawnand_early_check_supported_ops(struct nand_chip *chip)
>   rawnand_check_data_only_read_support(chip);
>  }

> +static void rawnand_late_check_supported_ops(struct nand_chip *chip)
> +{
> + /* The supported_op fields should not be set by individual drivers */
> +
> + if (!nand_has_exec_op(chip))
> + return;
> +}
> +
> /*
>  * Get the flash and manufacturer id and lookup if the type is supported.
>  */
> @@ -6345,6 +6353,8 @@ static int nand_scan_tail(struct nand_chip *chip)
>     goto err_free_interface_config;
>   }
>
> + rawnand_late_check_supported_ops(chip);
> +
>   /*
>    * Look for secure regions in the NAND chip. These regions are supposed
>    * to be protected by a secure element like Trustzone. So the read/write
> --
> 2.34.1

Tested-by: Liao Jaime <jaimeliao.tw at gmail.com>