diff options
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/x86/kernel/quirks.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/arch/x86/kernel/quirks.c b/arch/x86/kernel/quirks.c index cd2c336c8d09..e72d3fc6547d 100644 --- a/arch/x86/kernel/quirks.c +++ b/arch/x86/kernel/quirks.c | |||
| @@ -495,6 +495,9 @@ void force_hpet_resume(void) | |||
| 495 | /* | 495 | /* |
| 496 | * HPET MSI on some boards (ATI SB700/SB800) has side effect on | 496 | * HPET MSI on some boards (ATI SB700/SB800) has side effect on |
| 497 | * floppy DMA. Disable HPET MSI on such platforms. | 497 | * floppy DMA. Disable HPET MSI on such platforms. |
| 498 | * See erratum #27 (Misinterpreted MSI Requests May Result in | ||
| 499 | * Corrupted LPC DMA Data) in AMD Publication #46837, | ||
| 500 | * "SB700 Family Product Errata", Rev. 1.0, March 2010. | ||
| 498 | * | 501 | * |
| 499 | * Also force the read back of the CMP register in hpet_next_event() | 502 | * Also force the read back of the CMP register in hpet_next_event() |
| 500 | * to work around the problem that the CMP register write seems to be | 503 | * to work around the problem that the CMP register write seems to be |