dmaengine: ae4dma: Use the MSI count and its corresponding IRQ number

Instead of using the defined maximum hardware queue, which can lead to
incorrect values if the counts mismatch, use the exact supported MSI
count and its corresponding IRQ number.

Fixes: 90a30e2 ("dmaengine: ae4dma: Add AMD ae4dma controller driver")
Signed-off-by: Basavaraj Natikar <Basavaraj.Natikar@amd.com>
Link: https://lore.kernel.org/r/20250203162511.911946-3-Basavaraj.Natikar@amd.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>

Author: basuamd

drivers/dma/amd/ae4dma/ae4dma-pci.c

@@ -46,8 +46,8 @@ static int ae4_get_irqs(struct ae4_device *ae4)
 
 	} else {
 		ae4_msix->msix_count = ret;
-		for (i = 0; i < MAX_AE4_HW_QUEUES; i++)
-			ae4->ae4_irq[i] = ae4_msix->msix_entry[i].vector;
+		for (i = 0; i < ae4_msix->msix_count; i++)
+			ae4->ae4_irq[i] = pci_irq_vector(pdev, i);
 	}
 
 	return ret;