netdev - [PATCH 09/12 net-next] qca_spi: Log expected signature in error case

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Message-Id: <20231214150944.55808-10-wahrenst@gmx.net>
Date: Thu, 14 Dec 2023 16:09:41 +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: netdev@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	Stefan Wahren <wahrenst@....net>
Subject: [PATCH 09/12 net-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>
---
 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 50a862a85f1a..a9188b19d1fb 100644
--- a/drivers/net/ethernet/qualcomm/qca_spi.c
+++ b/drivers/net/ethernet/qualcomm/qca_spi.c
@@ -987,8 +987,8 @@ 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