pinctrl: s32: refine error/return/config checks and simplify driver codes

Improve error/return code handlings and config checks in order to have
better reliability and simplify driver codes such as removing/changing
improper macros, blanks, print formats and helper calls.
Signed-off-by: Chester Lin <clin@suse.com>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Link: https://lore.kernel.org/r/20230327062754.3326-2-clin@suse.comSigned-off-by: Linus Walleij <linus.walleij@linaro.org>

drivers/pinctrl/nxp/pinctrl-s32g2.c

@@ -757,14 +757,12 @@ static const struct dev_pm_ops s32g_pinctrl_pm_ops = {
 static struct platform_driver s32g_pinctrl_driver = {
 	.driver = {
 		.name = "s32g-siul2-pinctrl",
-		.owner = THIS_MODULE,
 		.of_match_table = s32_pinctrl_of_match,
-		.pm = &s32g_pinctrl_pm_ops,
+		.pm = pm_sleep_ptr(&s32g_pinctrl_pm_ops),
 		.suppress_bind_attrs = true,
 	},
 	.probe = s32g_pinctrl_probe,
 };
-
 builtin_platform_driver(s32g_pinctrl_driver);
 
 MODULE_AUTHOR("Matthew Nunez <matthew.nunez@nxp.com>");