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iio: stmpe-adc: use of_device_id for OF matching

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The of_device_id was added to allow module autoloading, but it should be
also used to allow driver matching via Devicetree.

This also fixes W=1 warning:
  drivers/iio/adc/stmpe-adc.c:357:34: error: ‘stmpe_adc_ids’ defined but not used [-Werror=unused-const-variable=]

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20220501103447.111392-1-krzysztof.kozlowski@linaro.org
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
This commit is contained in:
Krzysztof Kozlowski 2022-05-01 12:34:46 +02:00 committed by Jonathan Cameron
parent e678acedf3
commit 046dab28b1
1 changed files with 10 additions and 9 deletions
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19
drivers/iio/adc/stmpe-adc.c
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@ -345,21 +345,22 @@ static int __maybe_unused stmpe_adc_resume(struct device *dev)
static SIMPLE_DEV_PM_OPS(stmpe_adc_pm_ops, NULL, stmpe_adc_resume);
static struct platform_driver stmpe_adc_driver = {
.probe = stmpe_adc_probe,
.driver = {
.name = "stmpe-adc",
.pm = &stmpe_adc_pm_ops,
},
};
module_platform_driver(stmpe_adc_driver);
static const struct of_device_id stmpe_adc_ids[] = {
{ .compatible = "st,stmpe-adc", },
{ },
};
MODULE_DEVICE_TABLE(of, stmpe_adc_ids);
static struct platform_driver stmpe_adc_driver = {
.probe = stmpe_adc_probe,
.driver = {
.name = "stmpe-adc",
.pm = &stmpe_adc_pm_ops,
.of_match_table = stmpe_adc_ids,
},
};
module_platform_driver(stmpe_adc_driver);
MODULE_AUTHOR("Stefan Agner <stefan.agner@toradex.com>");
MODULE_DESCRIPTION("STMPEXXX ADC driver");
MODULE_LICENSE("GPL v2");