remoteproc: imx_dsp: 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>
Reviewed-by: Iuliana Prodan <iuliana.prodan@nxp.com>
Link: https://lore.kernel.org/r/20230504194453.1150368-3-u.kleine-koenig@pengutronix.de
Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>

diff --git a/drivers/remoteproc/imx_dsp_rproc.c b/drivers/remoteproc/imx_dsp_rproc.c
index cab06db..bda7f2a 100644 (file)
--- a/drivers/remoteproc/imx_dsp_rproc.c
+++ b/drivers/remoteproc/imx_dsp_rproc.c
@@ -1161,7 +1161,7 @@ err_put_rproc:
        return ret;
 }
 
-static int imx_dsp_rproc_remove(struct platform_device *pdev)
+static void imx_dsp_rproc_remove(struct platform_device *pdev)
 {
        struct rproc *rproc = platform_get_drvdata(pdev);
        struct imx_dsp_rproc *priv = rproc->priv;
@@ -1170,8 +1170,6 @@ static int imx_dsp_rproc_remove(struct platform_device *pdev)
        rproc_del(rproc);
        imx_dsp_detach_pm_domains(priv);
        rproc_free(rproc);
-
-       return 0;
 }
 
 /* pm runtime functions */
@@ -1328,7 +1326,7 @@ MODULE_DEVICE_TABLE(of, imx_dsp_rproc_of_match);
 
 static struct platform_driver imx_dsp_rproc_driver = {
        .probe = imx_dsp_rproc_probe,
-       .remove = imx_dsp_rproc_remove,
+       .remove_new = imx_dsp_rproc_remove,
        .driver = {
                .name = "imx-dsp-rproc",
                .of_match_table = imx_dsp_rproc_of_match,