[PATCH] mmc: omap_hsmmc: use platform_get_irq_optional for wake IRQ

[Rosen Penev <rosenp@gmail.com>]

Replace irq_of_parse_and_map() with platform_get_irq_optional() to
get the wake IRQ. This is a more portable approach that works with
both DT and non-DT platforms, and follows the modern platform API
conventions for optional IRQ resources.

The wake IRQ is now fetched earlier in the probe function alongside
the main IRQ, and the -EPROBE_DEFER case is handled properly before
the deferred probe can be triggered.

Signed-off-by: Rosen Penev <rosenp@gmail.com>
---
 drivers/mmc/host/omap_hsmmc.c | 11 +++++++----
 1 file changed, 7 insertions(+), 4 deletions(-)

diff --git a/drivers/mmc/host/omap_hsmmc.c b/drivers/mmc/host/omap_hsmmc.c
index 58c881f2725b..4b5589157c59 100644
--- a/drivers/mmc/host/omap_hsmmc.c
+++ b/drivers/mmc/host/omap_hsmmc.c
@@ -1764,7 +1764,7 @@ static int omap_hsmmc_probe(struct platform_device *pdev)
 	struct mmc_host *mmc;
 	struct omap_hsmmc_host *host = NULL;
 	struct resource *res;
-	int ret, irq;
+	int ret, irq, wake_irq;
 	const struct of_device_id *match;
 	const struct omap_mmc_of_data *data;
 	void __iomem *base;
@@ -1792,6 +1792,11 @@ static int omap_hsmmc_probe(struct platform_device *pdev)
 	if (irq < 0)
 		return irq;
 
+	wake_irq = platform_get_irq_optional(pdev, 1);
+	if (wake_irq == -EPROBE_DEFER)
+		return wake_irq;
+	wake_irq = max(wake_irq, 0);
+
 	base = devm_platform_get_and_ioremap_resource(pdev, 0, &res);
 	if (IS_ERR(base))
 		return PTR_ERR(base);
@@ -1811,6 +1816,7 @@ static int omap_hsmmc_probe(struct platform_device *pdev)
 	host->use_dma	= 1;
 	host->dma_ch	= -1;
 	host->irq	= irq;
+	host->wake_irq	= wake_irq;
 	host->mapbase	= res->start + pdata->reg_offset;
 	host->base	= base + pdata->reg_offset;
 	host->power_mode = MMC_POWER_OFF;
@@ -1820,9 +1826,6 @@ static int omap_hsmmc_probe(struct platform_device *pdev)
 
 	platform_set_drvdata(pdev, host);
 
-	if (pdev->dev.of_node)
-		host->wake_irq = irq_of_parse_and_map(pdev->dev.of_node, 1);
-
 	mmc->ops	= &omap_hsmmc_ops;
 
 	mmc->f_min = OMAP_MMC_MIN_CLOCK;
-- 
2.55.0