clk: imx: imx8: Simplify clk_imx_acm_detach_pm_domains()

The return value of clk_imx_acm_detach_pm_domains() is never used.
Simplify the code and turn it into a void function.

Reviewed-by: Peng Fan <[email protected]>
Signed-off-by: Christophe JAILLET <[email protected]>
Signed-off-by: Abel Vesa <[email protected]>

Author: tititiou36

drivers/clk/imx/clk-imx8-acm.c

@@ -310,20 +310,18 @@ static int clk_imx_acm_attach_pm_domains(struct device *dev,
  * @dev: deivice pointer
  * @dev_pm: multi power domain for device
  */
-static int clk_imx_acm_detach_pm_domains(struct device *dev,
-					 struct clk_imx_acm_pm_domains *dev_pm)
+static void clk_imx_acm_detach_pm_domains(struct device *dev,
+					  struct clk_imx_acm_pm_domains *dev_pm)
 {
 	int i;
 
 	if (dev_pm->num_domains <= 1)
-		return 0;
+		return;
 
 	for (i = 0; i < dev_pm->num_domains; i++) {
 		device_link_del(dev_pm->pd_dev_link[i]);
 		dev_pm_domain_detach(dev_pm->pd_dev[i], false);
 	}
-
-	return 0;
 }
 
 static int imx8_acm_clk_probe(struct platform_device *pdev)