netdev - Re: [PATCH V2 09/12 net-next] qca_spi: Log expected signature in error case

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Message-ID: <530f5c55-969e-4113-87ba-02a6f8ad31c1@intel.com>
Date: Wed, 20 Dec 2023 15:01:17 -0800
From: Jacob Keller <jacob.e.keller@...el.com>
To: Stefan Wahren <wahrenst@....net>, "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>
Subject: Re: [PATCH V2 09/12 net-next] qca_spi: Log expected signature in
 error case



On 12/18/2023 3:26 PM, Stefan Wahren wrote:
> 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 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);

Makes sense. Helpful to see whats expected vs whats there.

Reviewed-by: Jacob Keller <jacob.e.keller@...el.com>