iio: adc: tsc2046: silent spi_device_id warning

Add spi_device_id to silent following kernel runtime warning:
"SPI driver tsc2046 has no spi_device_id for ti,tsc2046e-adc".

Signed-off-by: Oleksij Rempel <o.rempel@pengutronix.de>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Link: https://lore.kernel.org/r/20220904100203.3614502-3-o.rempel@pengutronix.de
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

diff --git a/drivers/iio/adc/ti-tsc2046.c b/drivers/iio/adc/ti-tsc2046.c
index 8d65593..1bbb51a 100644 (file)
--- a/drivers/iio/adc/ti-tsc2046.c
+++ b/drivers/iio/adc/ti-tsc2046.c
@@ -805,6 +805,11 @@ static int tsc2046_adc_probe(struct spi_device *spi)
        }
 
        dcfg = device_get_match_data(dev);
+       if (!dcfg) {
+               const struct spi_device_id *id = spi_get_device_id(spi);
+
+               dcfg = (const struct tsc2046_adc_dcfg *)id->driver_data;
+       }
        if (!dcfg)
                return -EINVAL;
 
@@ -886,11 +891,18 @@ static const struct of_device_id ads7950_of_table[] = {
 };
 MODULE_DEVICE_TABLE(of, ads7950_of_table);
 
+static const struct spi_device_id tsc2046_adc_spi_ids[] = {
+       { "tsc2046e-adc", (unsigned long)&tsc2046_adc_dcfg_tsc2046e },
+       { }
+};
+MODULE_DEVICE_TABLE(spi, tsc2046_adc_spi_ids);
+
 static struct spi_driver tsc2046_adc_driver = {
        .driver = {
                .name = "tsc2046",
                .of_match_table = ads7950_of_table,
        },
+       .id_table = tsc2046_adc_spi_ids,
        .probe = tsc2046_adc_probe,
 };
 module_spi_driver(tsc2046_adc_driver);