linux-kernel - Re: [PATCH v3 6/6] ASoC: codecs: Add NeoFidelity NTP8835 codec

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Message-ID: <3a614d4a-28b0-45f4-a3be-09f312a8e679@stanley.mountain>
Date: Sat, 28 Sep 2024 12:17:48 +0300
From: Dan Carpenter <dan.carpenter@...aro.org>
To: oe-kbuild@...ts.linux.dev, Igor Prusov <ivprusov@...utedevices.com>,
	Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Liam Girdwood <lgirdwood@...il.com>,
	Mark Brown <broonie@...nel.org>, Jaroslav Kysela <perex@...ex.cz>,
	Takashi Iwai <tiwai@...e.com>,
	Philipp Zabel <p.zabel@...gutronix.de>
Cc: lkp@...el.com, oe-kbuild-all@...ts.linux.dev,
	devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
	linux-sound@...r.kernel.org, kernel@...utedevices.com,
	prusovigor@...il.com
Subject: Re: [PATCH v3 6/6] ASoC: codecs: Add NeoFidelity NTP8835 codec

Hi Igor,

kernel test robot noticed the following build warnings:

url:    https://github.com/intel-lab-lkp/linux/commits/Igor-Prusov/dt-bindings-vendor-prefixes-Add-NeoFidelity-Inc/20240925-230818
base:   c7fbbb45ef78ff349d16923b516bc8667367d1a6
patch link:    https://lore.kernel.org/r/20240925-ntp-amps-8918-8835-v3-6-e2459a8191a6%40salutedevices.com
patch subject: [PATCH v3 6/6] ASoC: codecs: Add NeoFidelity NTP8835 codec
config: alpha-randconfig-r072-20240928 (https://download.01.org/0day-ci/archive/20240928/202409281054.DUTb5KxU-lkp@intel.com/config)
compiler: alpha-linux-gcc (GCC) 13.3.0

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@...el.com>
| Reported-by: Dan Carpenter <dan.carpenter@...aro.org>
| Closes: https://lore.kernel.org/r/202409281054.DUTb5KxU-lkp@intel.com/

smatch warnings:
sound/soc/codecs/ntp8835.c:431 ntp8835_i2c_probe() warn: passing zero to 'PTR_ERR'

vim +/PTR_ERR +431 sound/soc/codecs/ntp8835.c

c4c94fd2babcb9 Igor Prusov 2024-09-25  412  static int ntp8835_i2c_probe(struct i2c_client *i2c)
c4c94fd2babcb9 Igor Prusov 2024-09-25  413  {
c4c94fd2babcb9 Igor Prusov 2024-09-25  414  	struct ntp8835_priv *ntp8835;
c4c94fd2babcb9 Igor Prusov 2024-09-25  415  	struct regmap *regmap;
c4c94fd2babcb9 Igor Prusov 2024-09-25  416  	int ret;
c4c94fd2babcb9 Igor Prusov 2024-09-25  417  
c4c94fd2babcb9 Igor Prusov 2024-09-25  418  	ntp8835 = devm_kzalloc(&i2c->dev, sizeof(*ntp8835), GFP_KERNEL);
c4c94fd2babcb9 Igor Prusov 2024-09-25  419  	if (!ntp8835)
c4c94fd2babcb9 Igor Prusov 2024-09-25  420  		return -ENOMEM;
c4c94fd2babcb9 Igor Prusov 2024-09-25  421  
c4c94fd2babcb9 Igor Prusov 2024-09-25  422  	ntp8835->i2c = i2c;
c4c94fd2babcb9 Igor Prusov 2024-09-25  423  
c4c94fd2babcb9 Igor Prusov 2024-09-25  424  	ntp8835->reset = devm_reset_control_get_shared(&i2c->dev, NULL);
c4c94fd2babcb9 Igor Prusov 2024-09-25  425  	if (IS_ERR(ntp8835->reset))
c4c94fd2babcb9 Igor Prusov 2024-09-25  426  		return dev_err_probe(&i2c->dev, PTR_ERR(ntp8835->reset),
c4c94fd2babcb9 Igor Prusov 2024-09-25  427  				     "Failed to get reset\n");
c4c94fd2babcb9 Igor Prusov 2024-09-25  428  
c4c94fd2babcb9 Igor Prusov 2024-09-25  429  	ret = reset_control_deassert(ntp8835->reset);
c4c94fd2babcb9 Igor Prusov 2024-09-25  430  	if (ret)
c4c94fd2babcb9 Igor Prusov 2024-09-25 @431  		return dev_err_probe(&i2c->dev, PTR_ERR(ntp8835->reset),

PTR_ERR(ret)

c4c94fd2babcb9 Igor Prusov 2024-09-25  432  				     "Failed to deassert reset\n");
c4c94fd2babcb9 Igor Prusov 2024-09-25  433  
c4c94fd2babcb9 Igor Prusov 2024-09-25  434  	dev_set_drvdata(&i2c->dev, ntp8835);
c4c94fd2babcb9 Igor Prusov 2024-09-25  435  
c4c94fd2babcb9 Igor Prusov 2024-09-25  436  	ntp8835_reset_gpio(ntp8835);
c4c94fd2babcb9 Igor Prusov 2024-09-25  437  
c4c94fd2babcb9 Igor Prusov 2024-09-25  438  	regmap = devm_regmap_init_i2c(i2c, &ntp8835_regmap);
c4c94fd2babcb9 Igor Prusov 2024-09-25  439  	if (IS_ERR(regmap))
c4c94fd2babcb9 Igor Prusov 2024-09-25  440  		return dev_err_probe(&i2c->dev, PTR_ERR(regmap),
c4c94fd2babcb9 Igor Prusov 2024-09-25  441  				     "Failed to allocate regmap\n");
c4c94fd2babcb9 Igor Prusov 2024-09-25  442  
c4c94fd2babcb9 Igor Prusov 2024-09-25  443  	ret = devm_snd_soc_register_component(&i2c->dev, &soc_component_ntp8835,
c4c94fd2babcb9 Igor Prusov 2024-09-25  444  					      &ntp8835_dai, 1);
c4c94fd2babcb9 Igor Prusov 2024-09-25  445  	if (ret)
c4c94fd2babcb9 Igor Prusov 2024-09-25  446  		return dev_err_probe(&i2c->dev, ret,
c4c94fd2babcb9 Igor Prusov 2024-09-25  447  				     "Failed to register component\n");
c4c94fd2babcb9 Igor Prusov 2024-09-25  448  
c4c94fd2babcb9 Igor Prusov 2024-09-25  449  	ntp8835->mclk = devm_clk_get_enabled(&i2c->dev, "mclk");
c4c94fd2babcb9 Igor Prusov 2024-09-25  450  	if (IS_ERR(ntp8835->mclk))
c4c94fd2babcb9 Igor Prusov 2024-09-25  451  		return dev_err_probe(&i2c->dev, PTR_ERR(ntp8835->mclk), "failed to get mclk\n");
c4c94fd2babcb9 Igor Prusov 2024-09-25  452  
c4c94fd2babcb9 Igor Prusov 2024-09-25  453  	return 0;
c4c94fd2babcb9 Igor Prusov 2024-09-25  454  }

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki