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Subject[PATCH 4/4] mtd: core: prepare mtd_otp_nvmem_add() to handle -EPROBE_DEFER
Date
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@walle.cc>
---
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 d6675bf03557..4f9bd78bc6f9 100644
--- a/drivers/mtd/mtdcore.c
+++ b/drivers/mtd/mtdcore.c
@@ -952,8 +952,8 @@ 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;
}
@@ -970,7 +970,6 @@ 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;
}
@@ -982,7 +981,7 @@ 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
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