mmc: omap_hsmmc: Make use of the helper macro SET_RUNTIME_PM_OPS()

Use the helper macro SET_RUNTIME_PM_OPS() instead of the verbose
operators ".runtime_suspend/.runtime_resume", because the
SET_RUNTIME_PM_OPS() is a nice helper macro that could be brought
in to make code a little more concise.
Signed-off-by: Cai Huoqing <caihuoqing@baidu.com>
Link: https://lore.kernel.org/r/20210907025940.1535-1-caihuoqing@baidu.comSigned-off-by: Ulf Hansson <ulf.hansson@linaro.org>

drivers/mmc/host/omap_hsmmc.c

@@ -702,11 +702,6 @@ static void omap_hsmmc_context_save(struct omap_hsmmc_host *host)
 
 #else
 
-static int omap_hsmmc_context_restore(struct omap_hsmmc_host *host)
-{
-	return 0;
-}
-
 static void omap_hsmmc_context_save(struct omap_hsmmc_host *host)
 {
 }
@@ -2086,6 +2081,7 @@ static int omap_hsmmc_resume(struct device *dev)
 }
 #endif
 
+#ifdef CONFIG_PM
 static int omap_hsmmc_runtime_suspend(struct device *dev)
 {
 	struct omap_hsmmc_host *host;
@@ -2153,11 +2149,11 @@ static int omap_hsmmc_runtime_resume(struct device *dev)
 	spin_unlock_irqrestore(&host->irq_lock, flags);
 	return 0;
 }
+#endif
 
 static const struct dev_pm_ops omap_hsmmc_dev_pm_ops = {
 	SET_SYSTEM_SLEEP_PM_OPS(omap_hsmmc_suspend, omap_hsmmc_resume)
-	.runtime_suspend = omap_hsmmc_runtime_suspend,
-	.runtime_resume = omap_hsmmc_runtime_resume,
+	SET_RUNTIME_PM_OPS(omap_hsmmc_runtime_suspend, omap_hsmmc_runtime_resume, NULL)
 };
 
 static struct platform_driver omap_hsmmc_driver = {