[PATCH v2 4/4] mtd: core: prepare mtd_otp_nvmem_add() to handle -EPROBE_DEFER

[Michael Walle]

NVMEM soon will get the ability for nvmem layouts and these might
not be ready when nvmem_register() is called and thus it might
return -EPROBE_DEFER. Don't print the error message in this case.

Signed-off-by: Michael Walle <michael at walle.cc>
---
v2:
 - none

 drivers/mtd/mtdcore.c | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/drivers/mtd/mtdcore.c b/drivers/mtd/mtdcore.c
index 0bc9676fe029..83a22566a8ce 100644
--- a/drivers/mtd/mtdcore.c
+++ b/drivers/mtd/mtdcore.c
@@ -953,8 +953,8 @@ 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(dev, "Failed to register OTP NVMEM device\n");
-				return PTR_ERR(nvmem);
+				err = PTR_ERR(nvmem);
+				goto err;
 			}
 			mtd->otp_user_nvmem = nvmem;
 		}
@@ -971,7 +971,6 @@ 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(dev, "Failed to register OTP NVMEM device\n");
 				err = PTR_ERR(nvmem);
 				goto err;
 			}
@@ -983,7 +982,7 @@ static int mtd_otp_nvmem_add(struct mtd_info *mtd)
 
 err:
 	nvmem_unregister(mtd->otp_user_nvmem);
-	return err;
+	return dev_err_probe(dev, err, "Failed to register OTP NVMEM device\n");
 }
 
 /**
-- 
2.30.2