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Message-id: <56F4FC08.6090009@samsung.com>
Date: Fri, 25 Mar 2016 17:51:20 +0900
From: Inki Dae <inki.dae@samsung.com>
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To: Dan Carpenter <dan.carpenter@oracle.com>
Cc: Joonyoung Shim <jy0922.shim@samsung.com>,
        Seung-Woo Kim <sw0312.kim@samsung.com>,
        Kyungmin Park <kyungmin.park@samsung.com>,
        David Airlie <airlied@linux.ie>, Kukjin Kim <kgene@kernel.org>,
        Krzysztof Kozlowski <k.kozlowski@samsung.com>,
        dri-devel@lists.freedesktop.org, linux-samsung-soc@vger.kernel.org,
        linux-kernel@vger.kernel.org, kernel-janitors@vger.kernel.org
Subject: Re: [patch 2/2] drm/exynos: mic: remove some dead code
References: <20160317103912.GB3100@mwanda>
In-reply-to: <20160317103912.GB3100@mwanda>
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Hi Dan,

2016년 03월 17일 19:39에 Dan Carpenter 이(가) 쓴 글:
> We know "ret" is zero and the test makes static checkers complain so
> let's delete this printk.
> 
> Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
> 
> diff --git a/drivers/gpu/drm/exynos/exynos_drm_mic.c b/drivers/gpu/drm/exynos/exynos_drm_mic.c
> index 890c9b1..12db353 100644
> --- a/drivers/gpu/drm/exynos/exynos_drm_mic.c
> +++ b/drivers/gpu/drm/exynos/exynos_drm_mic.c
> @@ -130,8 +130,6 @@ static void mic_set_path(struct exynos_mic *mic, bool enable)
>  		val &= ~(MIC0_RGB_MUX | MIC0_I80_MUX | MIC0_ON_MUX);
>  
>  	regmap_write(mic->sysreg, DSD_CFG_MUX, val);
> -	if (ret)
> -		DRM_ERROR("mic: Failed to read system register\n");

I think we missed to keep return value from regmap_write function,
	ret = regmap_write(mic->sysreg, ....);
	if (ret)
		...

Thanks,
Inki Dae

>  }
>  
>  static int mic_sw_reset(struct exynos_mic *mic)
> --
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