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x86: HPET force enable for e6xx based systems

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As the Soekris net6501 and other e6xx based systems do not have
any ACPI implementation, HPET won't get enabled.
This patch enables HPET on such platforms.

[    0.430149] pci 0000:00:01.0: Force enabled HPET at 0xfed00000
[    0.644838] HPET: 3 timers in total, 0 timers will be used for per-cpu timer

Original patch by Peter Neubauer (http://www.mail-archive.com/soekris-tech@lists.soekris.com/msg06462.html)
slightly modified by Conrad Kostecki <ck@conrad-kostecki.de> and massaged
accoring to Thomas Gleixners <tglx@linutronix.de> by me.

Suggested-by: Conrad Kostecki <ck@conrad-kostecki.de>
Signed-off-by: Eric Sesterhenn <eric.sesterhenn@lsexperts.de>
Cc: Peter Neubauer <pneubauer@bluerwhite.org>
Link: http://lkml.kernel.org/r/5412D3A5.2030909@lsexperts.de
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
This commit is contained in:
Peter Neubauer 2014-09-12 13:06:13 +02:00 • committed by Thomas Gleixner
commit 2e151c70df
2 changed files with 19 additions and 0 deletions
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1
include/linux/pci_ids.h
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@ -2860,6 +2860,7 @@
#define PCI_DEVICE_ID_INTEL_82372FB_1 0x7601
#define PCI_DEVICE_ID_INTEL_SCH_LPC 0x8119
#define PCI_DEVICE_ID_INTEL_SCH_IDE 0x811a
#define PCI_DEVICE_ID_INTEL_E6XX_CU 0x8183
#define PCI_DEVICE_ID_INTEL_ITC_LPC 0x8186
#define PCI_DEVICE_ID_INTEL_82454GX 0x84c4
#define PCI_DEVICE_ID_INTEL_82450GX 0x84c5