accel/qaic: Mask out SR-IOV PCI resources

[ Upstream commit 8685520 ]

During the initialization of the qaic device, pci_select_bars() is
used to fetch a bitmask of the BARs exposed by the device. On devices
that have Virtual Functions capabilities, the bitmask includes SR-IOV
BARs.

Use a mask to filter out SR-IOV BARs if they exist.

Signed-off-by: Youssef Samir <[email protected]>
Reviewed-by: Jeffrey Hugo <[email protected]>
Signed-off-by: Jeffrey Hugo <[email protected]>
Reviewed-by: Lizhi Hou <[email protected]>
Link: https://patchwork.freedesktop.org/patch/msgid/[email protected]
Signed-off-by: Sasha Levin <[email protected]>

Author: Youssef Samir

drivers/accel/qaic/qaic_drv.c

@@ -432,7 +432,7 @@ static int init_pci(struct qaic_device *qdev, struct pci_dev *pdev)
 	int bars;
 	int ret;
 
-	bars = pci_select_bars(pdev, IORESOURCE_MEM);
+	bars = pci_select_bars(pdev, IORESOURCE_MEM) & 0x3f;
 
 	/* make sure the device has the expected BARs */
 	if (bars != (BIT(0) | BIT(2) | BIT(4))) {