Re: [PATCH V1 6/6] staging: greybus: audio: Enable GB codec, audio module compilation.

From: kbuild test robot
Date: Tue May 19 2020 - 17:35:08 EST

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In reply to: kbuild test robot: "Re: [PATCH V1 6/6] staging: greybus: audio: Enable GB codec, audio module compilation."
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Hi Vaibhav,

I love your patch! Perhaps something to improve:

[auto build test WARNING on staging/staging-testing]
[also build test WARNING on v5.7-rc6 next-20200519]
[if your patch is applied to the wrong git tree, please drop us a note to help
improve the system. BTW, we also suggest to use '--base' option to specify the
base tree in git format-patch, please see https://stackoverflow.com/a/37406982]

url: https://github.com/0day-ci/linux/commits/Vaibhav-Agarwal/Enable-Greybus-Audio-codec-driver/20200518-012023
base: https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging.git cef077e6aa4c7dbe2f23e1201cf705f9540ec467
config: x86_64-allyesconfig (attached as .config)
compiler: clang version 11.0.0 (https://github.com/llvm/llvm-project 135b877874fae96b4372c8a3fbfaa8ff44ff86e3)
reproduce:
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# install x86_64 cross compiling tool for clang build
# apt-get install binutils-x86-64-linux-gnu
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=x86_64

If you fix the issue, kindly add following tag as appropriate
Reported-by: kbuild test robot <lkp@xxxxxxxxx>

All warnings (new ones prefixed by >>, old ones prefixed by <<):

>> drivers/staging/greybus/audio_helper.c:59:5: warning: no previous prototype for function 'gbaudio_dapm_link_component_dai_widgets' [-Wmissing-prototypes]
int gbaudio_dapm_link_component_dai_widgets(struct snd_soc_card *card,
^
drivers/staging/greybus/audio_helper.c:59:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
int gbaudio_dapm_link_component_dai_widgets(struct snd_soc_card *card,
^
static
>> drivers/staging/greybus/audio_helper.c:112:5: warning: no previous prototype for function 'gbaudio_dapm_free_controls' [-Wmissing-prototypes]
int gbaudio_dapm_free_controls(struct snd_soc_dapm_context *dapm,
^
drivers/staging/greybus/audio_helper.c:112:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
int gbaudio_dapm_free_controls(struct snd_soc_dapm_context *dapm,
^
static
>> drivers/staging/greybus/audio_helper.c:189:5: warning: no previous prototype for function 'gbaudio_remove_component_controls' [-Wmissing-prototypes]
int gbaudio_remove_component_controls(struct snd_soc_component *component,
^
drivers/staging/greybus/audio_helper.c:189:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
int gbaudio_remove_component_controls(struct snd_soc_component *component,
^
static
3 warnings generated.

vim +/gbaudio_dapm_link_component_dai_widgets +59 drivers/staging/greybus/audio_helper.c

94b08a33fd1bca Vaibhav Agarwal 2020-05-17 58
94b08a33fd1bca Vaibhav Agarwal 2020-05-17 @59 int gbaudio_dapm_link_component_dai_widgets(struct snd_soc_card *card,
94b08a33fd1bca Vaibhav Agarwal 2020-05-17 60 struct snd_soc_dapm_context *dapm)
94b08a33fd1bca Vaibhav Agarwal 2020-05-17 61 {
94b08a33fd1bca Vaibhav Agarwal 2020-05-17 62 struct snd_soc_dapm_widget *dai_w;
94b08a33fd1bca Vaibhav Agarwal 2020-05-17 63
94b08a33fd1bca Vaibhav Agarwal 2020-05-17 64 /* For each DAI widget... */
94b08a33fd1bca Vaibhav Agarwal 2020-05-17 65 list_for_each_entry(dai_w, &card->widgets, list) {
94b08a33fd1bca Vaibhav Agarwal 2020-05-17 66 if (dai_w->dapm != dapm)
94b08a33fd1bca Vaibhav Agarwal 2020-05-17 67 continue;
94b08a33fd1bca Vaibhav Agarwal 2020-05-17 68 switch (dai_w->id) {
94b08a33fd1bca Vaibhav Agarwal 2020-05-17 69 case snd_soc_dapm_dai_in:
94b08a33fd1bca Vaibhav Agarwal 2020-05-17 70 case snd_soc_dapm_dai_out:
94b08a33fd1bca Vaibhav Agarwal 2020-05-17 71 break;
94b08a33fd1bca Vaibhav Agarwal 2020-05-17 72 default:
94b08a33fd1bca Vaibhav Agarwal 2020-05-17 73 continue;
94b08a33fd1bca Vaibhav Agarwal 2020-05-17 74 }
94b08a33fd1bca Vaibhav Agarwal 2020-05-17 75 gbaudio_dapm_link_dai_widget(dai_w, card);
94b08a33fd1bca Vaibhav Agarwal 2020-05-17 76 }
94b08a33fd1bca Vaibhav Agarwal 2020-05-17 77
94b08a33fd1bca Vaibhav Agarwal 2020-05-17 78 return 0;
94b08a33fd1bca Vaibhav Agarwal 2020-05-17 79 }
94b08a33fd1bca Vaibhav Agarwal 2020-05-17 80
94b08a33fd1bca Vaibhav Agarwal 2020-05-17 81 static void gbaudio_dapm_free_path(struct snd_soc_dapm_path *path)
94b08a33fd1bca Vaibhav Agarwal 2020-05-17 82 {
94b08a33fd1bca Vaibhav Agarwal 2020-05-17 83 list_del(&path->list_node[SND_SOC_DAPM_DIR_IN]);
94b08a33fd1bca Vaibhav Agarwal 2020-05-17 84 list_del(&path->list_node[SND_SOC_DAPM_DIR_OUT]);
94b08a33fd1bca Vaibhav Agarwal 2020-05-17 85 list_del(&path->list_kcontrol);
94b08a33fd1bca Vaibhav Agarwal 2020-05-17 86 list_del(&path->list);
94b08a33fd1bca Vaibhav Agarwal 2020-05-17 87 kfree(path);
94b08a33fd1bca Vaibhav Agarwal 2020-05-17 88 }
94b08a33fd1bca Vaibhav Agarwal 2020-05-17 89
94b08a33fd1bca Vaibhav Agarwal 2020-05-17 90 static void gbaudio_dapm_free_widget(struct snd_soc_dapm_widget *w)
94b08a33fd1bca Vaibhav Agarwal 2020-05-17 91 {
94b08a33fd1bca Vaibhav Agarwal 2020-05-17 92 struct snd_soc_dapm_path *p, *next_p;
94b08a33fd1bca Vaibhav Agarwal 2020-05-17 93 enum snd_soc_dapm_direction dir;
94b08a33fd1bca Vaibhav Agarwal 2020-05-17 94
94b08a33fd1bca Vaibhav Agarwal 2020-05-17 95 list_del(&w->list);
94b08a33fd1bca Vaibhav Agarwal 2020-05-17 96 /*
94b08a33fd1bca Vaibhav Agarwal 2020-05-17 97 * remove source and sink paths associated to this widget.
94b08a33fd1bca Vaibhav Agarwal 2020-05-17 98 * While removing the path, remove reference to it from both
94b08a33fd1bca Vaibhav Agarwal 2020-05-17 99 * source and sink widgets so that path is removed only once.
94b08a33fd1bca Vaibhav Agarwal 2020-05-17 100 */
94b08a33fd1bca Vaibhav Agarwal 2020-05-17 101 gbaudio_dapm_for_each_direction(dir) {
94b08a33fd1bca Vaibhav Agarwal 2020-05-17 102 snd_soc_dapm_widget_for_each_path_safe(w, dir, p, next_p)
94b08a33fd1bca Vaibhav Agarwal 2020-05-17 103 gbaudio_dapm_free_path(p);
94b08a33fd1bca Vaibhav Agarwal 2020-05-17 104 }
94b08a33fd1bca Vaibhav Agarwal 2020-05-17 105
94b08a33fd1bca Vaibhav Agarwal 2020-05-17 106 kfree(w->kcontrols);
94b08a33fd1bca Vaibhav Agarwal 2020-05-17 107 kfree_const(w->name);
94b08a33fd1bca Vaibhav Agarwal 2020-05-17 108 kfree_const(w->sname);
94b08a33fd1bca Vaibhav Agarwal 2020-05-17 109 kfree(w);
94b08a33fd1bca Vaibhav Agarwal 2020-05-17 110 }
94b08a33fd1bca Vaibhav Agarwal 2020-05-17 111
94b08a33fd1bca Vaibhav Agarwal 2020-05-17 @112 int gbaudio_dapm_free_controls(struct snd_soc_dapm_context *dapm,
94b08a33fd1bca Vaibhav Agarwal 2020-05-17 113 const struct snd_soc_dapm_widget *widget,
94b08a33fd1bca Vaibhav Agarwal 2020-05-17 114 int num)
94b08a33fd1bca Vaibhav Agarwal 2020-05-17 115 {
94b08a33fd1bca Vaibhav Agarwal 2020-05-17 116 int i;
94b08a33fd1bca Vaibhav Agarwal 2020-05-17 117 struct snd_soc_dapm_widget *w, *next_w;
94b08a33fd1bca Vaibhav Agarwal 2020-05-17 118 #ifdef CONFIG_DEBUG_FS
94b08a33fd1bca Vaibhav Agarwal 2020-05-17 119 struct dentry *parent = dapm->debugfs_dapm;
94b08a33fd1bca Vaibhav Agarwal 2020-05-17 120 struct dentry *debugfs_w = NULL;
94b08a33fd1bca Vaibhav Agarwal 2020-05-17 121 #endif
94b08a33fd1bca Vaibhav Agarwal 2020-05-17 122
94b08a33fd1bca Vaibhav Agarwal 2020-05-17 123 mutex_lock(&dapm->card->dapm_mutex);
94b08a33fd1bca Vaibhav Agarwal 2020-05-17 124 for (i = 0; i < num; i++) {
94b08a33fd1bca Vaibhav Agarwal 2020-05-17 125 /* below logic can be optimized to identify widget pointer */
94b08a33fd1bca Vaibhav Agarwal 2020-05-17 126 list_for_each_entry_safe(w, next_w, &dapm->card->widgets,
94b08a33fd1bca Vaibhav Agarwal 2020-05-17 127 list) {
94b08a33fd1bca Vaibhav Agarwal 2020-05-17 128 if (w->dapm != dapm)
94b08a33fd1bca Vaibhav Agarwal 2020-05-17 129 continue;
94b08a33fd1bca Vaibhav Agarwal 2020-05-17 130 if (!strcmp(w->name, widget->name))
94b08a33fd1bca Vaibhav Agarwal 2020-05-17 131 break;
94b08a33fd1bca Vaibhav Agarwal 2020-05-17 132 w = NULL;
94b08a33fd1bca Vaibhav Agarwal 2020-05-17 133 }
94b08a33fd1bca Vaibhav Agarwal 2020-05-17 134 if (!w) {
94b08a33fd1bca Vaibhav Agarwal 2020-05-17 135 dev_err(dapm->dev, "%s: widget not found\n",
94b08a33fd1bca Vaibhav Agarwal 2020-05-17 136 widget->name);
94b08a33fd1bca Vaibhav Agarwal 2020-05-17 137 return -EINVAL;
94b08a33fd1bca Vaibhav Agarwal 2020-05-17 138 }
94b08a33fd1bca Vaibhav Agarwal 2020-05-17 139 widget++;
94b08a33fd1bca Vaibhav Agarwal 2020-05-17 140 #ifdef CONFIG_DEBUG_FS
94b08a33fd1bca Vaibhav Agarwal 2020-05-17 141 if (!parent)
94b08a33fd1bca Vaibhav Agarwal 2020-05-17 142 debugfs_w = debugfs_lookup(w->name, parent);
94b08a33fd1bca Vaibhav Agarwal 2020-05-17 143 debugfs_remove(debugfs_w);
94b08a33fd1bca Vaibhav Agarwal 2020-05-17 144 debugfs_w = NULL;
94b08a33fd1bca Vaibhav Agarwal 2020-05-17 145 #endif
94b08a33fd1bca Vaibhav Agarwal 2020-05-17 146 gbaudio_dapm_free_widget(w);
94b08a33fd1bca Vaibhav Agarwal 2020-05-17 147 }
94b08a33fd1bca Vaibhav Agarwal 2020-05-17 148 mutex_unlock(&dapm->card->dapm_mutex);
94b08a33fd1bca Vaibhav Agarwal 2020-05-17 149 return 0;
94b08a33fd1bca Vaibhav Agarwal 2020-05-17 150 }
94b08a33fd1bca Vaibhav Agarwal 2020-05-17 151
94b08a33fd1bca Vaibhav Agarwal 2020-05-17 152 static int gbaudio_remove_controls(struct snd_card *card, struct device *dev,
94b08a33fd1bca Vaibhav Agarwal 2020-05-17 153 const struct snd_kcontrol_new *controls,
94b08a33fd1bca Vaibhav Agarwal 2020-05-17 154 int num_controls, const char *prefix)
94b08a33fd1bca Vaibhav Agarwal 2020-05-17 155 {
94b08a33fd1bca Vaibhav Agarwal 2020-05-17 156 int i, err;
94b08a33fd1bca Vaibhav Agarwal 2020-05-17 157
94b08a33fd1bca Vaibhav Agarwal 2020-05-17 158 for (i = 0; i < num_controls; i++) {
94b08a33fd1bca Vaibhav Agarwal 2020-05-17 159 const struct snd_kcontrol_new *control = &controls[i];
94b08a33fd1bca Vaibhav Agarwal 2020-05-17 160 struct snd_ctl_elem_id id;
94b08a33fd1bca Vaibhav Agarwal 2020-05-17 161 struct snd_kcontrol *kctl;
94b08a33fd1bca Vaibhav Agarwal 2020-05-17 162
94b08a33fd1bca Vaibhav Agarwal 2020-05-17 163 if (prefix)
94b08a33fd1bca Vaibhav Agarwal 2020-05-17 164 snprintf(id.name, sizeof(id.name), "%s %s", prefix,
94b08a33fd1bca Vaibhav Agarwal 2020-05-17 165 control->name);
94b08a33fd1bca Vaibhav Agarwal 2020-05-17 166 else
94b08a33fd1bca Vaibhav Agarwal 2020-05-17 167 strlcpy(id.name, control->name, sizeof(id.name));
94b08a33fd1bca Vaibhav Agarwal 2020-05-17 168 id.numid = 0;
94b08a33fd1bca Vaibhav Agarwal 2020-05-17 169 id.iface = control->iface;
94b08a33fd1bca Vaibhav Agarwal 2020-05-17 170 id.device = control->device;
94b08a33fd1bca Vaibhav Agarwal 2020-05-17 171 id.subdevice = control->subdevice;
94b08a33fd1bca Vaibhav Agarwal 2020-05-17 172 id.index = control->index;
94b08a33fd1bca Vaibhav Agarwal 2020-05-17 173 kctl = snd_ctl_find_id(card, &id);
94b08a33fd1bca Vaibhav Agarwal 2020-05-17 174 if (!kctl) {
94b08a33fd1bca Vaibhav Agarwal 2020-05-17 175 dev_err(dev, "%d: Failed to find %s\n", err,
94b08a33fd1bca Vaibhav Agarwal 2020-05-17 176 control->name);
94b08a33fd1bca Vaibhav Agarwal 2020-05-17 177 return -ENOENT;
94b08a33fd1bca Vaibhav Agarwal 2020-05-17 178 }
94b08a33fd1bca Vaibhav Agarwal 2020-05-17 179 err = snd_ctl_remove(card, kctl);
94b08a33fd1bca Vaibhav Agarwal 2020-05-17 180 if (err < 0) {
94b08a33fd1bca Vaibhav Agarwal 2020-05-17 181 dev_err(dev, "%d: Failed to remove %s\n", err,
94b08a33fd1bca Vaibhav Agarwal 2020-05-17 182 control->name);
94b08a33fd1bca Vaibhav Agarwal 2020-05-17 183 return err;
94b08a33fd1bca Vaibhav Agarwal 2020-05-17 184 }
94b08a33fd1bca Vaibhav Agarwal 2020-05-17 185 }
94b08a33fd1bca Vaibhav Agarwal 2020-05-17 186 return 0;
94b08a33fd1bca Vaibhav Agarwal 2020-05-17 187 }
94b08a33fd1bca Vaibhav Agarwal 2020-05-17 188
94b08a33fd1bca Vaibhav Agarwal 2020-05-17 @189 int gbaudio_remove_component_controls(struct snd_soc_component *component,

:::::: The code at line 59 was first introduced by commit
:::::: 94b08a33fd1bcaa8660430f8107b5c7bbfbca3b4 staging: greybus: audio: Add helper APIs for dynamic audio modules

:::::: TO: Vaibhav Agarwal <vaibhav.sr@xxxxxxxxx>
:::::: CC: 0day robot <lkp@xxxxxxxxx>

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx

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Next message: Borislav Petkov: "Re: [PATCH V6 0/4] x86/resctrl: Enable user to view and select thread throttling mode"
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In reply to: kbuild test robot: "Re: [PATCH V1 6/6] staging: greybus: audio: Enable GB codec, audio module compilation."
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