linux-kernel - Re: [PATCH] iio: adc: ad9467: refine mismatch vs unknown chip-id messages

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Date:   Wed, 16 Sep 2020 19:14:29 +0100
From:   Jonathan Cameron <jic23@...nel.org>
To:     Alexandru Ardelean <alexandru.ardelean@...log.com>
Cc:     <linux-iio@...r.kernel.org>, <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] iio: adc: ad9467: refine mismatch vs unknown chip-id
 messages

On Wed, 16 Sep 2020 11:31:28 +0300
Alexandru Ardelean <alexandru.ardelean@...log.com> wrote:

> We should probably print what the expected chip-ID is. We already have
> that information available, based on the device specified via
> device-tree.
> 
> Signed-off-by: Alexandru Ardelean <alexandru.ardelean@...log.com>
applied.

thanks,

Jonathan

> ---
>  drivers/iio/adc/ad9467.c | 3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/iio/adc/ad9467.c b/drivers/iio/adc/ad9467.c
> index 8a6682b567be..f068256cfca9 100644
> --- a/drivers/iio/adc/ad9467.c
> +++ b/drivers/iio/adc/ad9467.c
> @@ -390,7 +390,8 @@ static int ad9467_probe(struct spi_device *spi)
>  
>  	id = ad9467_spi_read(spi, AN877_ADC_REG_CHIP_ID);
>  	if (id != conv->chip_info->id) {
> -		dev_err(&spi->dev, "Unrecognized CHIP_ID 0x%X\n", id);
> +		dev_err(&spi->dev, "Mismatch CHIP_ID, got 0x%X, expected 0x%X\n",
> +			id, conv->chip_info->id);
>  		return -ENODEV;
>  	}
>