ACPICA: delete check for AML access to port 0x81-83
authorLen Brown <len.brown@intel.com>
Tue, 7 Apr 2009 21:33:58 +0000 (17:33 -0400)
committerLen Brown <len.brown@intel.com>
Tue, 7 Apr 2009 21:33:58 +0000 (17:33 -0400)
Sony laptops apparently write 4-bytes (rather than 1 byte)
to debug port 0x80, which spews error messages:

Denied AML access to port 0x00000080/4 (DMA1 0x0081-0x0083) [20090320]

http://bugzilla.kernel.org/show_bug.cgi?id=13036

Signed-off-by: Len Brown <len.brown@intel.com>
drivers/acpi/acpica/hwvalid.c

index bd3c937..7737afb 100644 (file)
@@ -90,7 +90,6 @@ static const struct acpi_port_info acpi_protected_ports[] = {
        {"PIT2", 0x0048, 0x004B, ACPI_OSI_WIN_XP},
        {"RTC", 0x0070, 0x0071, ACPI_OSI_WIN_XP},
        {"CMOS", 0x0074, 0x0076, ACPI_OSI_WIN_XP},
-       {"DMA1", 0x0081, 0x0083, ACPI_OSI_WIN_XP},
        {"DMA1L", 0x0087, 0x0087, ACPI_OSI_WIN_XP},
        {"DMA2", 0x0089, 0x008B, ACPI_OSI_WIN_XP},
        {"DMA2L", 0x008F, 0x008F, ACPI_OSI_WIN_XP},