mmc: via-sdmmc: use modern PM macros

Use the modern PM macros for the suspend and resume functions to be
automatically dropped by the compiler when CONFIG_PM or
CONFIG_PM_SLEEP are disabled, without having to use __maybe_unused.

Signed-off-by: Jisheng Zhang <[e-mail]>
Link: https://lore.kernel.org/r/[e-mail]
Signed-off-by: Ulf Hansson <[e-mail]>

drivers/mmc/host/via-sdmmc.c

···
 		pci_name(pcidev), (int)pcidev->vendor, (int)pcidev->device);
 }
 
-static void __maybe_unused via_init_sdc_pm(struct via_crdr_mmc_host *host)
+static void via_init_sdc_pm(struct via_crdr_mmc_host *host)
 {
 	struct sdhcreg *pm_sdhcreg;
 	void __iomem *addrbase;
···
 	via_print_sdchc(host);
 }
 
-static int __maybe_unused via_sd_suspend(struct device *dev)
+static int via_sd_suspend(struct device *dev)
 {
 	struct via_crdr_mmc_host *host;
 	unsigned long flags;
···
 	return 0;
 }
 
-static int __maybe_unused via_sd_resume(struct device *dev)
+static int via_sd_resume(struct device *dev)
 {
 	struct via_crdr_mmc_host *sdhost;
 	u8 gatt;
···
 	return 0;
 }
 
-static SIMPLE_DEV_PM_OPS(via_sd_pm_ops, via_sd_suspend, via_sd_resume);
+static DEFINE_SIMPLE_DEV_PM_OPS(via_sd_pm_ops, via_sd_suspend, via_sd_resume);
 
 static struct pci_driver via_sd_driver = {
 	.name = DRV_NAME,
 	.id_table = via_ids,
 	.probe = via_sd_probe,
 	.remove = via_sd_remove,
-	.driver.pm = &via_sd_pm_ops,
+	.driver.pm = pm_sleep_ptr(&via_sd_pm_ops),
 };
 
 module_pci_driver(via_sd_driver);