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From: Lars-Peter Clausen <lars-Qo5EllUWu/uELgA04lAiVw@public.gmane.org>
To: Nicolin Chen
	<nicoleotsuka-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>,
	broonie-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org
Cc: mark.rutland-5wv7dgnIgG8@public.gmane.org,
	oder_chiou-Rasf1IRRPZFBDgjK7y7TUQ@public.gmane.org,
	alsa-devel-K7yf7f+aM1XWsZ/bQMPhNw@public.gmane.org,
	devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
	lgirdwood-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org,
	linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
	robh+dt-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org,
	bardliao-Rasf1IRRPZFBDgjK7y7TUQ@public.gmane.org
Subject: Re: [alsa-devel] [PATCH] ASoC: rt5659: Add mclk controls
Date: Thu, 28 Jul 2016 22:40:44 +0200	[thread overview]
Message-ID: <579A6DCC.6060401@metafoo.de> (raw)
In-Reply-To: <1469660568-3511-1-git-send-email-nicoleotsuka-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>

> +	/* Check if MCLK provided */
> +	rt5659->mclk = devm_clk_get(&i2c->dev, "mclk");
> +	if (IS_ERR(rt5659->mclk)) {
> +		if (PTR_ERR(rt5659->mclk) == -EPROBE_DEFER)
> +			return -EPROBE_DEFER;

The correct thing to do here is to check if != -ENOENT and then return
the error code. Otherwise you silently ignore errors if a clock was
specified, but there was an error requesting it.


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  parent reply	other threads:[~2016-07-28 20:40 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-07-27 23:02 [PATCH] ASoC: rt5659: Add mclk controls Nicolin Chen
     [not found] ` <1469660568-3511-1-git-send-email-nicoleotsuka-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2016-07-28 15:57   ` Mark Brown
     [not found]     ` <20160728155732.GG11806-GFdadSzt00ze9xe1eoZjHA@public.gmane.org>
2016-07-28 18:14       ` Nicolin Chen
2016-07-28 18:55         ` Mark Brown
2016-07-28 19:03           ` Nicolin Chen
2016-07-29 16:15           ` Vinod Koul
2016-07-29 16:39             ` Mark Brown
     [not found]               ` <20160729163933.GJ10376-GFdadSzt00ze9xe1eoZjHA@public.gmane.org>
2016-07-29 16:55                 ` [alsa-devel] " Vinod Koul
2016-08-10 13:57               ` Pierre-Louis Bossart
2016-08-10 17:06                 ` Mark Brown
2016-08-10 17:31                   ` Pierre-Louis Bossart
2016-08-10 17:52                     ` Mark Brown
2016-08-10 21:59                       ` [alsa-devel] " Pierre-Louis Bossart
     [not found]                         ` <ff13c01a-a3f5-b11f-c342-926e98f64be3-VuQAYsv1563Yd54FQh9/CA@public.gmane.org>
2016-08-11 11:34                           ` Mark Brown
2016-07-28 20:40   ` Lars-Peter Clausen [this message]
     [not found]     ` <579A6DCC.6060401-Qo5EllUWu/uELgA04lAiVw@public.gmane.org>
2016-07-28 20:51       ` Nicolin Chen

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