Hi Martin,
Martin Blumenstingl <martin.blumensti...@googlemail.com> wrote on Thu,
17 Dec 2020 23:11:48 +0100:
> Drop the check for mtd->name as it's executed while the mtd variable is
> always NULL. If some MTD name is needed then it should be validated by
> the MTD core.
>
> While here, also drop the NULL assignment to the mtd variable as it's
> overwritten later on anyways and the NULL value is never read.
>
> Fixes: 0b1039f016e8a3 ("mtd: rawnand: Add NAND controller support on Intel
> LGM SoC")
> Signed-off-by: Martin Blumenstingl <martin.blumensti...@googlemail.com>
> ---
> I found this by looking at the new driver. This patch is compile-tested
> only.
>
>
> drivers/mtd/nand/raw/intel-nand-controller.c | 6 +-----
> 1 file changed, 1 insertion(+), 5 deletions(-)
>
> diff --git a/drivers/mtd/nand/raw/intel-nand-controller.c
> b/drivers/mtd/nand/raw/intel-nand-controller.c
> index fdb112e8a90d..398de6ec68d7 100644
> --- a/drivers/mtd/nand/raw/intel-nand-controller.c
> +++ b/drivers/mtd/nand/raw/intel-nand-controller.c
> @@ -579,7 +579,7 @@ static int ebu_nand_probe(struct platform_device *pdev)
> struct device *dev = &pdev->dev;
> struct ebu_nand_controller *ebu_host;
> struct nand_chip *nand;
> - struct mtd_info *mtd = NULL;
> + struct mtd_info *mtd;
> struct resource *res;
> char *resname;
> int ret;
> @@ -647,10 +647,6 @@ static int ebu_nand_probe(struct platform_device *pdev)
> ebu_host->ebu + EBU_ADDR_SEL(cs));
>
> nand_set_flash_node(&ebu_host->chip, dev->of_node);
> - if (!mtd->name) {
> - dev_err(ebu_host->dev, "NAND label property is mandatory\n");
> - return -EINVAL;
> - }
This is valid code, it's best to use a label = "my-storage"; property
in your NAND DT node. Then mtd->name will be updated by
nand_set_flash_node().
Thanks,
Miquèl
