mfd: arizona: Remove use of codec build config #ifdefs
Remove the use of #ifdefs around each case statement of the chip ID and type validation switches. We must ensure that the contained code still compiles to nothing if support for that codec was not built into the kernel, to prevent creation of link references to missing functions. So the ifdefs are replaced with a use of the IS_ENABLED() macro. Signed-off-by: Richard Fitzgerald <rf@opensource.wolfsonmicro.com> Signed-off-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com> Signed-off-by: Lee Jones <lee.jones@linaro.org>
This commit is contained in:
Richard Fitzgerald
Lee Jones
Родитель
ae05ea36d1
Коммит
b61c1ec058
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@ -1128,82 +1128,95 @@ int arizona_dev_init(struct arizona *arizona)
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arizona->rev &= ARIZONA_DEVICE_REVISION_MASK;
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switch (reg) {
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#ifdef CONFIG_MFD_WM5102
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case 0x5102:
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type_name = "WM5102";
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if (arizona->type != WM5102) {
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dev_warn(arizona->dev, "WM5102 registered as %d\n",
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arizona->type);
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arizona->type = WM5102;
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if (IS_ENABLED(CONFIG_MFD_WM5102)) {
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type_name = "WM5102";
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if (arizona->type != WM5102) {
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dev_warn(arizona->dev,
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"WM5102 registered as %d\n",
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arizona->type);
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arizona->type = WM5102;
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}
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apply_patch = wm5102_patch;
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arizona->rev &= 0x7;
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subdevs = wm5102_devs;
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n_subdevs = ARRAY_SIZE(wm5102_devs);
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}
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apply_patch = wm5102_patch;
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arizona->rev &= 0x7;
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subdevs = wm5102_devs;
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n_subdevs = ARRAY_SIZE(wm5102_devs);
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break;
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#endif
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#ifdef CONFIG_MFD_WM5110
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case 0x5110:
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switch (arizona->type) {
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case WM5110:
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type_name = "WM5110";
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break;
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case WM8280:
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type_name = "WM8280";
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break;
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default:
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type_name = "WM5110";
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dev_warn(arizona->dev, "WM5110 registered as %d\n",
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arizona->type);
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arizona->type = WM5110;
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break;
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if (IS_ENABLED(CONFIG_MFD_WM5110)) {
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switch (arizona->type) {
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case WM5110:
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type_name = "WM5110";
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break;
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case WM8280:
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type_name = "WM8280";
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break;
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default:
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type_name = "WM5110";
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dev_warn(arizona->dev,
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"WM5110 registered as %d\n",
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arizona->type);
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arizona->type = WM5110;
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break;
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}
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apply_patch = wm5110_patch;
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subdevs = wm5110_devs;
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n_subdevs = ARRAY_SIZE(wm5110_devs);
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}
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apply_patch = wm5110_patch;
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subdevs = wm5110_devs;
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n_subdevs = ARRAY_SIZE(wm5110_devs);
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break;
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#endif
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#ifdef CONFIG_MFD_WM8997
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case 0x8997:
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type_name = "WM8997";
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if (arizona->type != WM8997) {
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dev_warn(arizona->dev, "WM8997 registered as %d\n",
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arizona->type);
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arizona->type = WM8997;
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if (IS_ENABLED(CONFIG_MFD_WM8997)) {
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type_name = "WM8997";
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if (arizona->type != WM8997) {
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dev_warn(arizona->dev,
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"WM8997 registered as %d\n",
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arizona->type);
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arizona->type = WM8997;
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}
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apply_patch = wm8997_patch;
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subdevs = wm8997_devs;
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n_subdevs = ARRAY_SIZE(wm8997_devs);
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}
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apply_patch = wm8997_patch;
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subdevs = wm8997_devs;
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n_subdevs = ARRAY_SIZE(wm8997_devs);
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break;
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#endif
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#ifdef CONFIG_MFD_WM8998
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case 0x6349:
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switch (arizona->type) {
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case WM8998:
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type_name = "WM8998";
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break;
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if (IS_ENABLED(CONFIG_MFD_WM8998)) {
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switch (arizona->type) {
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case WM8998:
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type_name = "WM8998";
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break;
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case WM1814:
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type_name = "WM1814";
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break;
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case WM1814:
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type_name = "WM1814";
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break;
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default:
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type_name = "WM8998";
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dev_warn(arizona->dev, "WM8998 registered as %d\n",
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arizona->type);
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arizona->type = WM8998;
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default:
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type_name = "WM8998";
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dev_warn(arizona->dev,
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"WM8998 registered as %d\n",
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arizona->type);
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arizona->type = WM8998;
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}
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apply_patch = wm8998_patch;
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subdevs = wm8998_devs;
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n_subdevs = ARRAY_SIZE(wm8998_devs);
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}
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apply_patch = wm8998_patch;
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subdevs = wm8998_devs;
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n_subdevs = ARRAY_SIZE(wm8998_devs);
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break;
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#endif
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default:
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dev_err(arizona->dev, "Unknown device ID %x\n", reg);
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goto err_reset;
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}
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if (!subdevs) {
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dev_err(arizona->dev,
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"No kernel support for device ID %x\n", reg);
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goto err_reset;
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}
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dev_info(dev, "%s revision %c\n", type_name, arizona->rev + 'A');
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if (apply_patch) {
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@ -27,7 +27,7 @@ static int arizona_i2c_probe(struct i2c_client *i2c,
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const struct i2c_device_id *id)
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{
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struct arizona *arizona;
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const struct regmap_config *regmap_config;
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const struct regmap_config *regmap_config = NULL;
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unsigned long type;
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int ret;
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@ -37,34 +37,36 @@ static int arizona_i2c_probe(struct i2c_client *i2c,
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type = id->driver_data;
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switch (type) {
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#ifdef CONFIG_MFD_WM5102
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case WM5102:
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regmap_config = &wm5102_i2c_regmap;
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if (IS_ENABLED(CONFIG_MFD_WM5102))
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regmap_config = &wm5102_i2c_regmap;
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break;
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#endif
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#ifdef CONFIG_MFD_WM5110
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case WM5110:
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case WM8280:
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regmap_config = &wm5110_i2c_regmap;
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if (IS_ENABLED(CONFIG_MFD_WM5110))
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regmap_config = &wm5110_i2c_regmap;
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break;
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#endif
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#ifdef CONFIG_MFD_WM8997
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case WM8997:
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regmap_config = &wm8997_i2c_regmap;
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if (IS_ENABLED(CONFIG_MFD_WM8997))
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regmap_config = &wm8997_i2c_regmap;
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break;
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#endif
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#ifdef CONFIG_MFD_WM8998
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case WM8998:
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case WM1814:
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regmap_config = &wm8998_i2c_regmap;
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if (IS_ENABLED(CONFIG_MFD_WM8998))
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regmap_config = &wm8998_i2c_regmap;
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break;
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#endif
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default:
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dev_err(&i2c->dev, "Unknown device type %ld\n",
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id->driver_data);
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return -EINVAL;
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}
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if (!regmap_config) {
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dev_err(&i2c->dev,
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"No kernel support for device type %ld\n", type);
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return -EINVAL;
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}
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arizona = devm_kzalloc(&i2c->dev, sizeof(*arizona), GFP_KERNEL);
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if (arizona == NULL)
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return -ENOMEM;
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@ -27,7 +27,7 @@ static int arizona_spi_probe(struct spi_device *spi)
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{
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const struct spi_device_id *id = spi_get_device_id(spi);
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struct arizona *arizona;
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const struct regmap_config *regmap_config;
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const struct regmap_config *regmap_config = NULL;
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unsigned long type;
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int ret;
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@ -37,23 +37,27 @@ static int arizona_spi_probe(struct spi_device *spi)
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type = id->driver_data;
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switch (type) {
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#ifdef CONFIG_MFD_WM5102
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case WM5102:
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regmap_config = &wm5102_spi_regmap;
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if (IS_ENABLED(CONFIG_MFD_WM5102))
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regmap_config = &wm5102_spi_regmap;
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break;
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#endif
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#ifdef CONFIG_MFD_WM5110
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case WM5110:
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case WM8280:
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regmap_config = &wm5110_spi_regmap;
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if (IS_ENABLED(CONFIG_MFD_WM5110))
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regmap_config = &wm5110_spi_regmap;
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break;
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#endif
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default:
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dev_err(&spi->dev, "Unknown device type %ld\n",
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id->driver_data);
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return -EINVAL;
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}
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if (!regmap_config) {
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dev_err(&spi->dev,
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"No kernel support for device type %ld\n", type);
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return -EINVAL;
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}
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arizona = devm_kzalloc(&spi->dev, sizeof(*arizona), GFP_KERNEL);
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if (arizona == NULL)
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return -ENOMEM;
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