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 --- v2: - none
drivers/mtd/mtdcore.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/drivers/mtd/mtdcore.c b/drivers/mtd/mtdcore.c index 8fc66cda4a09..c38a13cb8d5e 100644 --- a/drivers/mtd/mtdcore.c +++ b/drivers/mtd/mtdcore.c @@ -939,6 +939,7 @@ static int mtd_nvmem_fact_otp_reg_read(void *priv, unsigned int offset,
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; @@ -952,7 +953,7 @@ static int mtd_otp_nvmem_add(struct mtd_info *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; @@ -970,7 +971,7 @@ static int mtd_otp_nvmem_add(struct mtd_info *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; }