From: Michael Walle michael@walle.cc
commit 8bd1d24e6ca3c599dd455b0e1b22f77bab8290eb upstream.
The master MTD will only have an associated device if CONFIG_MTD_PARTITIONED_MASTER is set, thus we cannot use dev_err() on mtd->dev. Instead use the parent device which is the physical flash memory.
Fixes: 4b361cfa8624 ("mtd: core: add OTP nvmem provider support") Cc: stable@vger.kernel.org Signed-off-by: Michael Walle michael@walle.cc Signed-off-by: Miquel Raynal miquel.raynal@bootlin.com Link: https://lore.kernel.org/linux-mtd/20230308082021.870459-2-michael@walle.cc Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- drivers/mtd/mtdcore.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-)
--- a/drivers/mtd/mtdcore.c +++ b/drivers/mtd/mtdcore.c @@ -879,6 +879,7 @@ static int mtd_nvmem_fact_otp_reg_read(v
static int mtd_otp_nvmem_add(struct mtd_info *mtd) { + struct device *dev = mtd->dev.parent; struct nvmem_device *nvmem; ssize_t size; int err; @@ -892,7 +893,7 @@ static int mtd_otp_nvmem_add(struct mtd_ nvmem = mtd_otp_nvmem_register(mtd, "user-otp", size, mtd_nvmem_user_otp_reg_read); if (IS_ERR(nvmem)) { - dev_err(&mtd->dev, "Failed to register OTP NVMEM device\n"); + dev_err(dev, "Failed to register OTP NVMEM device\n"); return PTR_ERR(nvmem); } mtd->otp_user_nvmem = nvmem; @@ -910,7 +911,7 @@ static int mtd_otp_nvmem_add(struct mtd_ nvmem = mtd_otp_nvmem_register(mtd, "factory-otp", size, mtd_nvmem_fact_otp_reg_read); if (IS_ERR(nvmem)) { - dev_err(&mtd->dev, "Failed to register OTP NVMEM device\n"); + dev_err(dev, "Failed to register OTP NVMEM device\n"); err = PTR_ERR(nvmem); goto err; }