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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WARNING: multiple messages have this Message-ID (diff)
From: Lars-Peter Clausen <lars@metafoo.de>
To: Nicolin Chen <nicoleotsuka@gmail.com>, broonie@kernel.org
Cc: mark.rutland@arm.com, oder_chiou@realtek.com,
alsa-devel@alsa-project.org, devicetree@vger.kernel.org,
lgirdwood@gmail.com, linux-kernel@vger.kernel.org,
robh+dt@kernel.org, bardliao@realtek.com
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@gmail.com>
> + /* 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.
next prev parent reply other threads:[~2016-07-28 20:40 UTC|newest]
Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-07-27 23:02 [PATCH] ASoC: rt5659: Add mclk controls Nicolin Chen
2016-07-27 23:02 ` Nicolin Chen
[not found] ` <1469660568-3511-1-git-send-email-nicoleotsuka-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2016-07-28 15:57 ` Mark Brown
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 18:14 ` Nicolin Chen
2016-07-28 18:55 ` Mark Brown
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
2016-07-29 16:55 ` Vinod Koul
2016-08-10 13:57 ` Pierre-Louis Bossart
2016-08-10 13:57 ` [alsa-devel] " Pierre-Louis Bossart
2016-08-10 17:06 ` Mark Brown
2016-08-10 17:06 ` [alsa-devel] " Mark Brown
2016-08-10 17:31 ` Pierre-Louis Bossart
2016-08-10 17:31 ` [alsa-devel] " Pierre-Louis Bossart
2016-08-10 17:52 ` Mark Brown
2016-08-10 17:52 ` [alsa-devel] " Mark Brown
2016-08-10 21:59 ` Pierre-Louis Bossart
[not found] ` <ff13c01a-a3f5-b11f-c342-926e98f64be3-VuQAYsv1563Yd54FQh9/CA@public.gmane.org>
2016-08-11 11:34 ` Mark Brown
2016-08-11 11:34 ` Mark Brown
2016-07-28 20:40 ` Lars-Peter Clausen [this message]
2016-07-28 20:40 ` Lars-Peter Clausen
[not found] ` <579A6DCC.6060401-Qo5EllUWu/uELgA04lAiVw@public.gmane.org>
2016-07-28 20:51 ` Nicolin Chen
2016-07-28 20:51 ` Nicolin Chen
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