3:13 a.m.
tree: https://chromium.googlesource.com/chromiumos/third_party/kernel chromeos-5.4
head: 091ed41c87f0bf89714d4aba9a4febec8cd5557b
commit: 084d9bb286af924f2d01e7af0b70288cf8b9fac6 [4/5] FROMLIST: ASoC: qcom: sc7180: Add
machine driver for sound card registration
config: x86_64-allyesconfig (attached as .config)
compiler: clang version 12.0.0 (https://github.com/llvm/llvm-project
cf1105069648446d58adfb7a6cc590013d6886ba)
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 x86_64 cross compiling tool for clang build
# apt-get install binutils-x86-64-linux-gnu
git checkout 084d9bb286af924f2d01e7af0b70288cf8b9fac6
# 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: kernel test robot <lkp(a)intel.com>
All warnings (new ones prefixed by >>):
> sound/soc/qcom/sc7180.c:26:5: warning: no previous prototype for
function 'sc7180_parse_of' [-Wmissing-prototypes]
int
sc7180_parse_of(struct snd_soc_card *card)
^
sound/soc/qcom/sc7180.c:26:1: note: declare 'static' if the function is not
intended to be used outside of this translation unit
int sc7180_parse_of(struct snd_soc_card *card)
^
static
1 warning generated.
vim +/sc7180_parse_of +26 sound/soc/qcom/sc7180.c
25
26 int sc7180_parse_of(struct snd_soc_card *card)
27 {
28 struct device_node *np;
29 struct device_node *codec = NULL;
30 struct device_node *platform = NULL;
31 struct device_node *cpu = NULL;
32 struct device *dev = card->dev;
33 struct snd_soc_dai_link *link;
34 struct of_phandle_args args;
35 struct snd_soc_dai_link_component *dlc;
36 int ret, num_links, dir;
37
38 ret = snd_soc_of_parse_card_name(card, "model");
39 if (ret) {
40 dev_err(dev, "Error parsing card name: %d\n", ret);
41 return ret;
42 }
43
44 /* DAPM routes */
45 if (of_property_read_bool(dev->of_node, "audio-routing")) {
46 ret = snd_soc_of_parse_audio_routing(card,
47 "audio-routing");
48 if (ret)
49 return ret;
50 }
51
52 /* Populate links */
53 num_links = of_get_child_count(dev->of_node);
54
55 /* Allocate the DAI link array */
56 card->dai_link = kcalloc(num_links, sizeof(*link), GFP_KERNEL);
57 if (!card->dai_link)
58 return -ENOMEM;
59
60 card->num_links = num_links;
61 link = card->dai_link;
62
63 for_each_child_of_node(dev->of_node, np) {
64 dlc = devm_kzalloc(dev, 2 * sizeof(*dlc), GFP_KERNEL);
65 if (!dlc)
66 return -ENOMEM;
67
68 link->cpus = &dlc[0];
69 link->platforms = &dlc[1];
70
71 link->num_cpus = 1;
72 link->num_platforms = 1;
73
74 ret = of_property_read_string(np, "link-name", &link->name);
75 if (ret) {
76 dev_err(card->dev, "error getting codec dai_link name\n");
77 goto err;
78 }
79
80 of_property_read_u32(np, "unidirectional", &dir);
81 if (dir == 0)
82 link->playback_only = 1;
83 else if (dir == 1)
84 link->capture_only = 1;
85
86 cpu = of_get_child_by_name(np, "cpu");
87 codec = of_get_child_by_name(np, "codec");
88
89 if (!cpu) {
90 dev_err(dev, "%s: Can't find cpu DT node\n",
91 link->name);
92 ret = -EINVAL;
93 goto err;
94 }
95
96 ret = of_parse_phandle_with_args(cpu, "sound-dai",
97 "#sound-dai-cells", 0, &args);
98 if (ret) {
99 dev_err(card->dev, "%s: error getting cpu phandle\n",
100 link->name);
101 goto err;
102 }
103 link->cpus->of_node = args.np;
104 link->id = args.args[0];
105
106 ret = snd_soc_of_get_dai_name(cpu, &link->cpus->dai_name);
107 if (ret) {
108 dev_err(card->dev, "%s: error getting cpu dai name\n",
109 link->name);
110 goto err;
111 }
112
113 if (codec) {
114 ret = snd_soc_of_get_dai_link_codecs(dev, codec, link);
115 if (ret < 0) {
116 dev_err(card->dev, "%s: codec dai not found\n",
117 link->name);
118 goto err;
119 }
120 } else {
121 dlc = devm_kzalloc(dev, sizeof(*dlc), GFP_KERNEL);
122 if (!dlc)
123 return -ENOMEM;
124
125 link->codecs = dlc;
126 link->num_codecs = 1;
127
128 link->codecs->dai_name = "snd-soc-dummy-dai";
129 link->codecs->name = "snd-soc-dummy";
130 }
131
132 link->platforms->of_node = link->cpus->of_node;
133 link->stream_name = link->name;
134 link++;
135
136 of_node_put(cpu);
137 of_node_put(codec);
138 }
139
140 return 0;
141 err:
142 of_node_put(np);
143 of_node_put(cpu);
144 of_node_put(codec);
145 of_node_put(platform);
146 kfree(card->dai_link);
147 return ret;
148 }
149
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org