diff options
| author | Paul Moore <pmoore@redhat.com> | 2014-06-17 17:30:23 -0400 |
|---|---|---|
| committer | Paul Moore <pmoore@redhat.com> | 2014-06-17 17:30:23 -0400 |
| commit | 170b5910d9fbea79de1bb40df22eda5f98250c0c (patch) | |
| tree | ca9560e878d2842d45c6f99077d0d8b8f8b0f9ba /drivers/misc/mei/pci-me.c | |
| parent | 47dd0b76ace953bd2c0479076db0d3e3b9594003 (diff) | |
| parent | 1860e379875dfe7271c649058aeddffe5afd9d0d (diff) | |
Merge tag 'v3.15' into next
Linux 3.15
Diffstat (limited to 'drivers/misc/mei/pci-me.c')
| -rw-r--r-- | drivers/misc/mei/pci-me.c | 44 |
1 files changed, 29 insertions, 15 deletions
diff --git a/drivers/misc/mei/pci-me.c b/drivers/misc/mei/pci-me.c index ddadd08956f..95889e2e31f 100644 --- a/drivers/misc/mei/pci-me.c +++ b/drivers/misc/mei/pci-me.c @@ -13,9 +13,6 @@ * more details. * */ - -#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt - #include <linux/module.h> #include <linux/moduleparam.h> #include <linux/kernel.h> @@ -27,7 +24,6 @@ #include <linux/aio.h> #include <linux/pci.h> #include <linux/poll.h> -#include <linux/init.h> #include <linux/ioctl.h> #include <linux/cdev.h> #include <linux/sched.h> @@ -40,11 +36,12 @@ #include <linux/mei.h> #include "mei_dev.h" -#include "hw-me.h" #include "client.h" +#include "hw-me-regs.h" +#include "hw-me.h" /* mei_pci_tbl - PCI Device ID Table */ -static DEFINE_PCI_DEVICE_TABLE(mei_me_pci_tbl) = { +static const struct pci_device_id mei_me_pci_tbl[] = { {PCI_DEVICE(PCI_VENDOR_ID_INTEL, MEI_DEV_ID_82946GZ)}, {PCI_DEVICE(PCI_VENDOR_ID_INTEL, MEI_DEV_ID_82G35)}, {PCI_DEVICE(PCI_VENDOR_ID_INTEL, MEI_DEV_ID_82Q965)}, @@ -100,15 +97,31 @@ static bool mei_me_quirk_probe(struct pci_dev *pdev, const struct pci_device_id *ent) { u32 reg; - if (ent->device == MEI_DEV_ID_PBG_1) { - pci_read_config_dword(pdev, 0x48, ®); - /* make sure that bit 9 is up and bit 10 is down */ - if ((reg & 0x600) == 0x200) { - dev_info(&pdev->dev, "Device doesn't have valid ME Interface\n"); - return false; - } + /* Cougar Point || Patsburg */ + if (ent->device == MEI_DEV_ID_CPT_1 || + ent->device == MEI_DEV_ID_PBG_1) { + pci_read_config_dword(pdev, PCI_CFG_HFS_2, ®); + /* make sure that bit 9 (NM) is up and bit 10 (DM) is down */ + if ((reg & 0x600) == 0x200) + goto no_mei; } + + /* Lynx Point */ + if (ent->device == MEI_DEV_ID_LPT_H || + ent->device == MEI_DEV_ID_LPT_W || + ent->device == MEI_DEV_ID_LPT_HR) { + /* Read ME FW Status check for SPS Firmware */ + pci_read_config_dword(pdev, PCI_CFG_HFS_1, ®); + /* if bits [19:16] = 15, running SPS Firmware */ + if ((reg & 0xf0000) == 0xf0000) + goto no_mei; + } + return true; + +no_mei: + dev_info(&pdev->dev, "Device doesn't have valid ME Interface\n"); + return false; } /** * mei_probe - Device Initialization Routine @@ -270,7 +283,7 @@ static void mei_me_remove(struct pci_dev *pdev) } -#ifdef CONFIG_PM +#ifdef CONFIG_PM_SLEEP static int mei_me_pci_suspend(struct device *device) { struct pci_dev *pdev = to_pci_dev(device); @@ -330,11 +343,12 @@ static int mei_me_pci_resume(struct device *device) return 0; } + static SIMPLE_DEV_PM_OPS(mei_me_pm_ops, mei_me_pci_suspend, mei_me_pci_resume); #define MEI_ME_PM_OPS (&mei_me_pm_ops) #else #define MEI_ME_PM_OPS NULL -#endif /* CONFIG_PM */ +#endif /* CONFIG_PM_SLEEP */ /* * PCI driver structure */ |