[PATCH linux dev-4.13 10/10] hwmon/occ: Silence probe error message when host is shutdown

[Benjamin Herrenschmidt <benh@kernel.crashing.org>]

Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
---
 drivers/hwmon/occ/p9_sbe.c | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/drivers/hwmon/occ/p9_sbe.c b/drivers/hwmon/occ/p9_sbe.c
index 27886897a3d6..9a1d3ae56d69 100644
--- a/drivers/hwmon/occ/p9_sbe.c
+++ b/drivers/hwmon/occ/p9_sbe.c
@@ -110,6 +110,7 @@ static int p9_sbe_occ_send_cmd(struct occ *occ, u8 *cmd)
 static int p9_sbe_occ_probe(struct platform_device *pdev)
 {
 	struct occ *occ;
+	int rc;
 	struct p9_sbe_occ *ctx = devm_kzalloc(&pdev->dev,
 						     sizeof(*ctx),
 						     GFP_KERNEL);
@@ -126,7 +127,12 @@ static int p9_sbe_occ_probe(struct platform_device *pdev)
 	occ->poll_cmd_data = 0x20;		/* P9 OCC poll data */
 	occ->send_cmd = p9_sbe_occ_send_cmd;
 
-	return occ_setup(occ, "p9_occ");
+	rc = occ_setup(occ, "p9_occ");
+
+	/* Host is shutdown, don't spew errors */
+	if (rc == -ESHUTDOWN)
+		rc = -ENODEV;
+	return rc;
 }
 
 static int p9_sbe_occ_remove(struct platform_device *pdev)
-- 
2.17.0