X-Git-Url: https://gerrit.opnfv.org/gerrit/gitweb?p=kvmfornfv.git;a=blobdiff_plain;f=kernel%2Fdrivers%2Fmisc%2Fmei%2Fhw-me.c;h=36333750c512533d7cee2d1f2dbf648c1efb6940;hp=25b1997a62cbc38626ffb3b0166efe649aed9e08;hb=52f993b8e89487ec9ee15a7fb4979e0f09a45b27;hpb=c189ccac5702322ed843fe17057035b7222a59b6

diff --git a/kernel/drivers/misc/mei/hw-me.c b/kernel/drivers/misc/mei/hw-me.c
index 25b1997a6..36333750c 100644
--- a/kernel/drivers/misc/mei/hw-me.c
+++ b/kernel/drivers/misc/mei/hw-me.c
@@ -1258,8 +1258,14 @@ static bool mei_me_fw_type_nm(struct pci_dev *pdev)
 static bool mei_me_fw_type_sps(struct pci_dev *pdev)
 {
 	u32 reg;
-	/* Read ME FW Status check for SPS Firmware */
-	pci_read_config_dword(pdev, PCI_CFG_HFS_1, &reg);
+	unsigned int devfn;
+
+	/*
+	 * Read ME FW Status register to check for SPS Firmware
+	 * The SPS FW is only signaled in pci function 0
+	 */
+	devfn = PCI_DEVFN(PCI_SLOT(pdev->devfn), 0);
+	pci_bus_read_config_dword(pdev->bus, devfn, PCI_CFG_HFS_1, &reg);
 	/* if bits [19:16] = 15, running SPS Firmware */
 	return (reg & 0xf0000) == 0xf0000;
 }