spi: topcliff-pch: Convert to platform remove callback returning void

The .remove() callback for a platform driver returns an int which makes
many driver authors wrongly assume it's possible to do error handling by
returning an error code. However the value returned is (mostly) ignored
and this typically results in resource leaks. To improve here there is a
quest to make the remove callback return void. In the first step of this
quest all drivers are converted to .remove_new() which already returns
void.

Trivially convert this driver from always returning zero in the remove
callback to the void returning variant.

Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Link: https://lore.kernel.org/r/20230303172041.2103336-83-u.kleine-koenig@pengutronix.de
Signed-off-by: Mark Brown <broonie@kernel.org>

diff --git a/drivers/spi/spi-topcliff-pch.c b/drivers/spi/spi-topcliff-pch.c
index cbb60198a7f003dc01046b8872f424d3a708f68a..1679a0ba3d62e68846e45a7a66fd6b586bc64fb9 100644 (file)
--- a/drivers/spi/spi-topcliff-pch.c
+++ b/drivers/spi/spi-topcliff-pch.c
@@ -1396,7 +1396,7 @@ err_pci_iomap:
        return ret;
 }
 
-static int pch_spi_pd_remove(struct platform_device *plat_dev)
+static void pch_spi_pd_remove(struct platform_device *plat_dev)
 {
        struct pch_spi_board_data *board_dat = dev_get_platdata(&plat_dev->dev);
        struct pch_spi_data *data = platform_get_drvdata(plat_dev);
@@ -1434,8 +1434,6 @@ static int pch_spi_pd_remove(struct platform_device *plat_dev)
 
        pci_iounmap(board_dat->pdev, data->io_remap_addr);
        spi_unregister_master(data->master);
-
-       return 0;
 }
 #ifdef CONFIG_PM
 static int pch_spi_pd_suspend(struct platform_device *pd_dev,
@@ -1516,7 +1514,7 @@ static struct platform_driver pch_spi_pd_driver = {
                .name = "pch-spi",
        },
        .probe = pch_spi_pd_probe,
-       .remove = pch_spi_pd_remove,
+       .remove_new = pch_spi_pd_remove,
        .suspend = pch_spi_pd_suspend,
        .resume = pch_spi_pd_resume
 };