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author | mav <mav@FreeBSD.org> | 2012-09-09 20:00:00 +0000 |
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committer | mav <mav@FreeBSD.org> | 2012-09-09 20:00:00 +0000 |
commit | 15f63ad1a95fe8317cd49a3f2d3cafb5735284eb (patch) | |
tree | e29483b9c647d91051251dd034f09171da1035bd /sys | |
parent | 3ed1c80d257237f50d1eb45a535cd5a9b2ce243e (diff) | |
download | FreeBSD-src-15f63ad1a95fe8317cd49a3f2d3cafb5735284eb.zip FreeBSD-src-15f63ad1a95fe8317cd49a3f2d3cafb5735284eb.tar.gz |
At least from A70M FCH chipsets AMD started to use their real vendor ID
(1022) in HPET. But according to report they still haven't fixed problem
with level-triggered interrupts.
Make workaround used for earlier chipsets apply to this new ID also.
PR: amd64/171355
MFC after: 3 days
Diffstat (limited to 'sys')
-rw-r--r-- | sys/dev/acpica/acpi_hpet.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/sys/dev/acpica/acpi_hpet.c b/sys/dev/acpica/acpi_hpet.c index 5991c15..4b0c356 100644 --- a/sys/dev/acpica/acpi_hpet.c +++ b/sys/dev/acpica/acpi_hpet.c @@ -57,6 +57,7 @@ __FBSDID("$FreeBSD$"); #endif #define HPET_VENDID_AMD 0x4353 +#define HPET_VENDID_AMD2 0x1022 #define HPET_VENDID_INTEL 0x8086 #define HPET_VENDID_NVIDIA 0x10de #define HPET_VENDID_SW 0x1166 @@ -505,7 +506,7 @@ hpet_attach(device_t dev) * properly, that makes it very unreliable - it freezes after any * interrupt loss. Avoid legacy IRQs for AMD. */ - if (vendor == HPET_VENDID_AMD) + if (vendor == HPET_VENDID_AMD || vendor == HPET_VENDID_AMD2) sc->allowed_irqs = 0x00000000; /* * NVidia MCP5x chipsets have number of unexplained interrupt |