Merge branch 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull x86 fixes from Ingo Molnar:
 "Misc fixes:

   - fix an Intel/MID boot crash/hang bug

   - fix a cache topology mis-parsing bug on certain AMD CPUs

   - fix a virtualization firmware bug by adding a check+quirk
     workaround on the kernel side"

* 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  x86/cpu: Deal with broken firmware (VMWare/XEN)
  x86/cpu/AMD: Fix cpu_llc_id for AMD Fam17h systems
  x86/platform/intel-mid: Retrofit pci_platform_pm_ops ->get_state hook
This commit is contained in:
Linus Torvalds
2016-11-14 08:39:56 -08:00
5 changed files with 57 additions and 7 deletions

View File

@@ -272,6 +272,25 @@ int intel_mid_pci_set_power_state(struct pci_dev *pdev, pci_power_t state)
}
EXPORT_SYMBOL_GPL(intel_mid_pci_set_power_state);
pci_power_t intel_mid_pci_get_power_state(struct pci_dev *pdev)
{
struct mid_pwr *pwr = midpwr;
int id, reg, bit;
u32 power;
if (!pwr || !pwr->available)
return PCI_UNKNOWN;
id = intel_mid_pwr_get_lss_id(pdev);
if (id < 0)
return PCI_UNKNOWN;
reg = (id * LSS_PWS_BITS) / 32;
bit = (id * LSS_PWS_BITS) % 32;
power = mid_pwr_get_state(pwr, reg);
return (__force pci_power_t)((power >> bit) & 3);
}
void intel_mid_pwr_power_off(void)
{
struct mid_pwr *pwr = midpwr;