[PATCH v2] mtd: hyperbus: Add proper error message for missing compatible

[Dirk Behme <dirk.behme@xxxxxxxxxxxx>]

In case the compatible "cypress,hyperflash" is not given
output a proper error message.

Signed-off-by: Dirk Behme <dirk.behme@xxxxxxxxxxxx>
---
Changes in v2: Use dev_err and '"'

 drivers/mtd/hyperbus/hyperbus-core.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/mtd/hyperbus/hyperbus-core.c b/drivers/mtd/hyperbus/hyperbus-core.c
index 6af9ea34117d..c1916cca1701 100644
--- a/drivers/mtd/hyperbus/hyperbus-core.c
+++ b/drivers/mtd/hyperbus/hyperbus-core.c
@@ -73,8 +73,10 @@ int hyperbus_register_device(struct hyperbus_device *hbdev)
 
 	np = hbdev->np;
 	ctlr = hbdev->ctlr;
-	if (!of_device_is_compatible(np, "cypress,hyperflash"))
+	if (!of_device_is_compatible(np, "cypress,hyperflash")) {
+		dev_err(ctlr->dev, "\"cypress,hyperflash\" compatible missing\n");
 		return -ENODEV;
+	}
 
 	hbdev->memtype = HYPERFLASH;
 
-- 
2.20.0


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