spi: lantiq-ssc: Use devm_platform_ioremap_resource() in lantiq_ssc_probe()

Simplify this function implementation by using a known wrapper function.

This issue was detected by using the Coccinelle software.

Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>
Link: https://lore.kernel.org/r/230495a7-b754-bc6a-05e0-059a6b6c643d@web.de
Signed-off-by: Mark Brown <broonie@kernel.org>

diff --git a/drivers/spi/spi-lantiq-ssc.c b/drivers/spi/spi-lantiq-ssc.c
index 9dfe8b0..1fd7ee5 100644 (file)
--- a/drivers/spi/spi-lantiq-ssc.c
+++ b/drivers/spi/spi-lantiq-ssc.c
@@ -797,7 +797,6 @@ static int lantiq_ssc_probe(struct platform_device *pdev)
 {
        struct device *dev = &pdev->dev;
        struct spi_master *master;
-       struct resource *res;
        struct lantiq_ssc_spi *spi;
        const struct lantiq_ssc_hwcfg *hwcfg;
        const struct of_device_id *match;
@@ -812,12 +811,6 @@ static int lantiq_ssc_probe(struct platform_device *pdev)
        }
        hwcfg = match->data;
 
-       res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-       if (!res) {
-               dev_err(dev, "failed to get resources\n");
-               return -ENXIO;
-       }
-
        rx_irq = platform_get_irq_byname(pdev, LTQ_SPI_RX_IRQ_NAME);
        if (rx_irq < 0)
                return -ENXIO;
@@ -839,8 +832,7 @@ static int lantiq_ssc_probe(struct platform_device *pdev)
        spi->dev = dev;
        spi->hwcfg = hwcfg;
        platform_set_drvdata(pdev, spi);
-
-       spi->regbase = devm_ioremap_resource(dev, res);
+       spi->regbase = devm_platform_ioremap_resource(pdev, 0);
        if (IS_ERR(spi->regbase)) {
                err = PTR_ERR(spi->regbase);
                goto err_master_put;