mmc: mediatek: Move cqhci init behind ungate clock

We must enable clock before cqhci init, because crypto needs read
information from CQHCI registers, otherwise, it will hang in MediaTek mmc
host controller.

Signed-off-by: Wenbin Mei <[email protected]>
Fixes: 88bd652 ("mmc: mediatek: command queue support")
Cc: [email protected]
Acked-by: Chaotian Jing <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Ulf Hansson <[email protected]>

Author: wenbinmei1

drivers/mmc/host/mtk-sd.c

@@ -2577,6 +2577,25 @@ static int msdc_drv_probe(struct platform_device *pdev)
 		host->dma_mask = DMA_BIT_MASK(32);
 	mmc_dev(mmc)->dma_mask = &host->dma_mask;
 
+	host->timeout_clks = 3 * 1048576;
+	host->dma.gpd = dma_alloc_coherent(&pdev->dev,
+				2 * sizeof(struct mt_gpdma_desc),
+				&host->dma.gpd_addr, GFP_KERNEL);
+	host->dma.bd = dma_alloc_coherent(&pdev->dev,
+				MAX_BD_NUM * sizeof(struct mt_bdma_desc),
+				&host->dma.bd_addr, GFP_KERNEL);
+	if (!host->dma.gpd || !host->dma.bd) {
+		ret = -ENOMEM;
+		goto release_mem;
+	}
+	msdc_init_gpd_bd(host, &host->dma);
+	INIT_DELAYED_WORK(&host->req_timeout, msdc_request_timeout);
+	spin_lock_init(&host->lock);
+
+	platform_set_drvdata(pdev, mmc);
+	msdc_ungate_clock(host);
+	msdc_init_hw(host);
+
 	if (mmc->caps2 & MMC_CAP2_CQE) {
 		host->cq_host = devm_kzalloc(mmc->parent,
 					     sizeof(*host->cq_host),
@@ -2597,25 +2616,6 @@ static int msdc_drv_probe(struct platform_device *pdev)
 		mmc->max_seg_size = 64 * 1024;
 	}
 
-	host->timeout_clks = 3 * 1048576;
-	host->dma.gpd = dma_alloc_coherent(&pdev->dev,
-				2 * sizeof(struct mt_gpdma_desc),
-				&host->dma.gpd_addr, GFP_KERNEL);
-	host->dma.bd = dma_alloc_coherent(&pdev->dev,
-				MAX_BD_NUM * sizeof(struct mt_bdma_desc),
-				&host->dma.bd_addr, GFP_KERNEL);
-	if (!host->dma.gpd || !host->dma.bd) {
-		ret = -ENOMEM;
-		goto release_mem;
-	}
-	msdc_init_gpd_bd(host, &host->dma);
-	INIT_DELAYED_WORK(&host->req_timeout, msdc_request_timeout);
-	spin_lock_init(&host->lock);
-
-	platform_set_drvdata(pdev, mmc);
-	msdc_ungate_clock(host);
-	msdc_init_hw(host);
-
 	ret = devm_request_irq(&pdev->dev, host->irq, msdc_irq,
 			       IRQF_TRIGGER_NONE, pdev->name, host);
 	if (ret)