linux-kernel - [PATCH 2/6] nvmem: meson-efuse: add error message on user

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Message-Id: <20181130115325.16539-3-srinivas.kandagatla@linaro.org>
Date:   Fri, 30 Nov 2018 11:53:21 +0000
From:   Srinivas Kandagatla <srinivas.kandagatla@...aro.org>
To:     gregkh@...uxfoundation.org
Cc:     linux-kernel@...r.kernel.org, Jerome Brunet <jbrunet@...libre.com>,
        Srinivas Kandagatla <srinivas.kandagatla@...aro.org>
Subject: [PATCH 2/6] nvmem: meson-efuse: add error message on user_max failure.

From: Jerome Brunet <jbrunet@...libre.com>

Add an explicit error message when SM_EFUSE_USER_MAX command fails

Signed-off-by: Jerome Brunet <jbrunet@...libre.com>
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@...aro.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