sound/soc/intel/boards/sof_ssp_amp.c:97:6: warning: variable 'i' set but not used

From: kernel test robot
Date: Fri Sep 16 2022 - 06:57:14 EST


Hi Brent,

FYI, the error/warning still remains.

tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 3245cb65fd91cd514801bf91f5a3066d562f0ac4
commit: 2fe14ff61bd6d4fabe313435dd378b5a38eb6102 ASoC: Intel: sof_ssp_amp: rename driver and support cs35l41 amplifier
date: 7 months ago
config: arm64-randconfig-r023-20220916 (https://download.01.org/0day-ci/archive/20220916/202209161811.hAq3MGyI-lkp@xxxxxxxxx/config)
compiler: clang version 16.0.0 (https://github.com/llvm/llvm-project 791a7ae1ba3efd6bca96338e10ffde557ba83920)
reproduce (this is a W=1 build):
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# install arm64 cross compiling tool for clang build
# apt-get install binutils-aarch64-linux-gnu
# https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=2fe14ff61bd6d4fabe313435dd378b5a38eb6102
git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
git fetch --no-tags linus master
git checkout 2fe14ff61bd6d4fabe313435dd378b5a38eb6102
# save the config file
mkdir build_dir && cp config build_dir/.config
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=arm64 SHELL=/bin/bash sound/soc/intel/boards/

If you fix the issue, kindly add following tag where applicable
Reported-by: kernel test robot <lkp@xxxxxxxxx>

All warnings (new ones prefixed by >>):

>> sound/soc/intel/boards/sof_ssp_amp.c:97:6: warning: variable 'i' set but not used [-Wunused-but-set-variable]
int i = 0;
^
1 warning generated.


vim +/i +97 sound/soc/intel/boards/sof_ssp_amp.c

89
90 static int sof_card_late_probe(struct snd_soc_card *card)
91 {
92 struct sof_card_private *ctx = snd_soc_card_get_drvdata(card);
93 struct snd_soc_component *component = NULL;
94 char jack_name[NAME_SIZE];
95 struct sof_hdmi_pcm *pcm;
96 int err;
> 97 int i = 0;
98
99 if (!(sof_ssp_amp_quirk & SOF_HDMI_PLAYBACK_PRESENT))
100 return 0;
101
102 /* HDMI is not supported by SOF on Baytrail/CherryTrail */
103 if (!ctx->idisp_codec)
104 return 0;
105
106 if (list_empty(&ctx->hdmi_pcm_list))
107 return -EINVAL;
108
109 if (ctx->common_hdmi_codec_drv) {
110 pcm = list_first_entry(&ctx->hdmi_pcm_list, struct sof_hdmi_pcm,
111 head);
112 component = pcm->codec_dai->component;
113 return hda_dsp_hdmi_build_controls(card, component);
114 }
115
116 list_for_each_entry(pcm, &ctx->hdmi_pcm_list, head) {
117 component = pcm->codec_dai->component;
118 snprintf(jack_name, sizeof(jack_name),
119 "HDMI/DP, pcm=%d Jack", pcm->device);
120 err = snd_soc_card_jack_new(card, jack_name,
121 SND_JACK_AVOUT, &pcm->sof_hdmi,
122 NULL, 0);
123
124 if (err)
125 return err;
126
127 err = hdac_hdmi_jack_init(pcm->codec_dai, pcm->device,
128 &pcm->sof_hdmi);
129 if (err < 0)
130 return err;
131
132 i++;
133 }
134
135 return hdac_hdmi_jack_port_init(component, &card->dapm);
136 }
137

--
0-DAY CI Kernel Test Service
https://01.org/lkp