linux-kernel - [PATCH V3 09/14 next] qca_spi: Log expected signature in error case

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Message-Id: <20240124223211.4687-10-wahrenst@gmx.net>
Date: Wed, 24 Jan 2024 23:32:06 +0100
From: Stefan Wahren <wahrenst@....net>
To: "David S. Miller" <davem@...emloft.net>,
	Eric Dumazet <edumazet@...gle.com>,
	Jakub Kicinski <kuba@...nel.org>,
	Paolo Abeni <pabeni@...hat.com>
Cc: Lino Sanfilippo <LinoSanfilippo@....de>,
	Florian Fainelli <f.fainelli@...il.com>,
	netdev@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	Stefan Wahren <wahrenst@....net>,
	Jacob Keller <jacob.e.keller@...el.com>
Subject: [PATCH V3 09/14 next] qca_spi: Log expected signature in error case

Most of the users doesn't know the expected signature of the QCA700x.
So provide it within the error message. Btw use lowercase for hex as
in the rest of the driver.

Signed-off-by: Stefan Wahren <wahrenst@....net>
Reviewed-by: Jacob Keller <jacob.e.keller@...el.com>
---
 drivers/net/ethernet/qualcomm/qca_spi.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/net/ethernet/qualcomm/qca_spi.c b/drivers/net/ethernet/qualcomm/qca_spi.c
index 6d2859aad921..c5d240fe4146 100644
--- a/drivers/net/ethernet/qualcomm/qca_spi.c
+++ b/drivers/net/ethernet/qualcomm/qca_spi.c
@@ -1005,8 +1005,8 @@ qca_spi_probe(struct spi_device *spi)
 		qcaspi_read_register(qca, SPI_REG_SIGNATURE, &signature);

 		if (signature != QCASPI_GOOD_SIGNATURE) {
-			dev_err(&spi->dev, "Invalid signature (0x%04X)\n",
-				signature);
+			dev_err(&spi->dev, "Invalid signature (expected 0x%04x, read 0x%04x)\n",
+				QCASPI_GOOD_SIGNATURE, signature);
 			free_netdev(qcaspi_devs);
 			return -EFAULT;
 		}
--
2.34.1