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

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Pull x86 platform updates from Ingo Molnar:
 "The main changes in this cycle were:

   - Intel-SoC enhancements (Andy Shevchenko)

   - Intel CPU symbolic model definition rework (Dave Hansen)

   - ... other misc changes"

* 'x86-platform-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (25 commits)
  x86/sfi: Enable enumeration of SD devices
  x86/pci: Use MRFLD abbreviation for Merrifield
  x86/platform/intel-mid: Make vertical indentation consistent
  x86/platform/intel-mid: Mark regulators explicitly defined
  x86/platform/intel-mid: Rename mrfl.c to mrfld.c
  x86/platform/intel-mid: Enable spidev on Intel Edison boards
  x86/platform/intel-mid: Extend PWRMU to support Penwell
  x86/pci, x86/platform/intel_mid_pci: Remove duplicate power off code
  x86/platform/intel-mid: Add pinctrl for Intel Merrifield
  x86/platform/intel-mid: Enable GPIO expanders on Edison
  x86/platform/intel-mid: Add Power Management Unit driver
  x86/platform/atom/punit: Enable support for Merrifield
  x86/platform/intel_mid_pci: Rework IRQ0 workaround
  x86, thermal: Clean up and fix CPU model detection for intel_soc_dts_thermal
  x86, mmc: Use Intel family name macros for mmc driver
  x86/intel_telemetry: Use Intel family name macros for telemetry driver
  x86/acpi/lss: Use Intel family name macros for the acpi_lpss driver
  x86/cpufreq: Use Intel family name macros for the intel_pstate cpufreq driver
  x86/platform: Use new Intel model number macros
  x86/intel_idle: Use Intel family macros for intel_idle
  ...
This commit is contained in:
Linus Torvalds
2016-07-25 19:15:35 -07:00
parent 2d724ffddd 05f310e26f
commit 8e466955d6
25 changed files with 955 additions and 143 deletions
Download Patch File Download Diff File Expand all files Collapse all files

51
arch/x86/pci/intel_mid_pci.c
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@@ -36,7 +36,8 @@
#define PCIE_CAP_OFFSET 0x100
/* Quirks for the listed devices */
#define PCI_DEVICE_ID_INTEL_MRFL_MMC 0x1190
#define PCI_DEVICE_ID_INTEL_MRFLD_MMC 0x1190
#define PCI_DEVICE_ID_INTEL_MRFLD_HSU 0x1191
/* Fixed BAR fields */
#define PCIE_VNDR_CAP_ID_FIXED_BAR 0x00 /* Fixed BAR (TBD) */
@@ -224,14 +225,21 @@ static int intel_mid_pci_irq_enable(struct pci_dev *dev)
/* Special treatment for IRQ0 */
if (dev->irq == 0) {
/*
* Skip HS UART common registers device since it has
* IRQ0 assigned and not used by the kernel.
*/
if (dev->device == PCI_DEVICE_ID_INTEL_MRFLD_HSU)
return -EBUSY;
/*
* TNG has IRQ0 assigned to eMMC controller. But there
* are also other devices with bogus PCI configuration
* that have IRQ0 assigned. This check ensures that
* eMMC gets it.
* eMMC gets it. The rest of devices still could be
* enabled without interrupt line being allocated.
*/
if (dev->device != PCI_DEVICE_ID_INTEL_MRFL_MMC)
return -EBUSY;
if (dev->device != PCI_DEVICE_ID_INTEL_MRFLD_MMC)
return 0;
}
break;
default:
@@ -308,14 +316,39 @@ static void pci_d3delay_fixup(struct pci_dev *dev)
}
DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_INTEL, PCI_ANY_ID, pci_d3delay_fixup);
static void mrst_power_off_unused_dev(struct pci_dev *dev)
static void mid_power_off_one_device(struct pci_dev *dev)
{
u16 pmcsr;
/*
* Update current state first, otherwise PCI core enforces PCI_D0 in
* pci_set_power_state() for devices which status was PCI_UNKNOWN.
*/
pci_read_config_word(dev, dev->pm_cap + PCI_PM_CTRL, &pmcsr);
dev->current_state = (pci_power_t __force)(pmcsr & PCI_PM_CTRL_STATE_MASK);
pci_set_power_state(dev, PCI_D3hot);
}
DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_INTEL, 0x0801, mrst_power_off_unused_dev);
DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_INTEL, 0x0809, mrst_power_off_unused_dev);
DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_INTEL, 0x080C, mrst_power_off_unused_dev);
DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_INTEL, 0x0815, mrst_power_off_unused_dev);
static void mid_power_off_devices(struct pci_dev *dev)
{
int id;
if (!pci_soc_mode)
return;
id = intel_mid_pwr_get_lss_id(dev);
if (id < 0)
return;
/*
* This sets only PMCSR bits. The actual power off will happen in
* arch/x86/platform/intel-mid/pwr.c.
*/
mid_power_off_one_device(dev);
}
DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_INTEL, PCI_ANY_ID, mid_power_off_devices);
/*
* Langwell devices reside at fixed offsets, don't try to move them.