diff options
Diffstat (limited to 'kernel/drivers/misc/mei/hw-me.c')
| -rw-r--r-- | kernel/drivers/misc/mei/hw-me.c | 10 |
1 files changed, 8 insertions, 2 deletions
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, ®); + 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, ®); /* if bits [19:16] = 15, running SPS Firmware */ return (reg & 0xf0000) == 0xf0000; } |