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Subject[PATCH 2/6] nvmem: meson-efuse: add error message on user_max failure.
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From: Jerome Brunet <jbrunet@baylibre.com>

Add an explicit error message when SM_EFUSE_USER_MAX command fails

Signed-off-by: Jerome Brunet <jbrunet@baylibre.com>
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
---
drivers/nvmem/meson-efuse.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/nvmem/meson-efuse.c b/drivers/nvmem/meson-efuse.c
index d769840d1e18..40b9df1d030d 100644
--- a/drivers/nvmem/meson-efuse.c
+++ b/drivers/nvmem/meson-efuse.c
@@ -48,8 +48,10 @@ static int meson_efuse_probe(struct platform_device *pdev)
struct nvmem_config *econfig;
unsigned int size;

- if (meson_sm_call(SM_EFUSE_USER_MAX, &size, 0, 0, 0, 0, 0) < 0)
+ if (meson_sm_call(SM_EFUSE_USER_MAX, &size, 0, 0, 0, 0, 0) < 0) {
+ dev_err(dev, "failed to get max user");
return -EINVAL;
+ }

econfig = devm_kzalloc(dev, sizeof(*econfig), GFP_KERNEL);
if (!econfig)
--
2.19.2
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