linux-kernel - Re: [PATCH v2 1/2] i2c: s3c2410: Print errno code in error logs

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Date:	Thu, 21 Apr 2016 09:18:10 +0200
From:	Krzysztof Kozlowski <k.kozlowski@...sung.com>
To:	Javier Martinez Canillas <javier@....samsung.com>,
	linux-kernel@...r.kernel.org
Cc:	linux-samsung-soc@...r.kernel.org,
	Wolfram Sang <wsa@...-dreams.de>,
	Kukjin Kim <kgene@...nel.org>, linux-i2c@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH v2 1/2] i2c: s3c2410: Print errno code in error logs

On 04/20/2016 04:37 PM, Javier Martinez Canillas wrote:
> The driver not always prints the error code in case of a failure but this
> information can be very useful for debugging. So let's print if available.
> 
> Signed-off-by: Javier Martinez Canillas <javier@....samsung.com>
> 
> ---
> 
> Hello,
> 
> This patch and 2/2 were only build tested because I don't have access to
> a board using this IP block. I just noticed these issues when comparing
> the i2c-s3c2410 driver with i2c-exynos5 where I did some fixes recently.
> 
> I think the patches are simple enough that is safe to pick them but of
> course testing will be highly appreciated.
> 
> Best regards,
> Javier
> 
> Changes in v2:
> - Don't print the errno code on probe since it's already printed by the
>   core. Suggested by Krzysztof Kozlowski.
> 
>  drivers/i2c/busses/i2c-s3c2410.c | 5 +++--
>  1 file changed, 3 insertions(+), 2 deletions(-)

Reviewed-by: Krzysztof Kozlowski <k.kozlowski@...sung.com>

Tested on Trats2 (Exynos4412, samsung,s3c2440-i2c)
Tested-by: Krzysztof Kozlowski <k.kozlowski@...sung.com>

Best regards,
Krzysztof