From: Bob Moore <robert.moore@xxxxxxxxx>
One entry in the protected port table eliminated. Added extra
comments to describe each table entry.
Signed-off-by: Bob Moore <robert.moore@xxxxxxxxx>
Signed-off-by: Lin Ming <ming.m.lin@xxxxxxxxx>
Signed-off-by: Len Brown <len.brown@xxxxxxxxx>
---
drivers/acpi/acpica/hwvalid.c | 34 ++++++++++++++++++++++++++--------
1 files changed, 26 insertions(+), 8 deletions(-)
diff --git a/drivers/acpi/acpica/hwvalid.c b/drivers/acpi/acpica/hwvalid.c
index e0b562f..105b818 100644
--- a/drivers/acpi/acpica/hwvalid.c
+++ b/drivers/acpi/acpica/hwvalid.c
@@ -63,24 +63,42 @@ acpi_hw_validate_io_request(acpi_io_address address, u32 bit_width);
*
* This provides ACPICA with the desired port protections and
* Microsoft compatibility.
+ *
+ * Description of port entries:
+ * DMA: DMA controller
+ * PIC0: Programmable Interrupt Controller (8259_a)
+ * PIT1: System Timer 1
+ * PIT2: System Timer 2 failsafe
+ * RTC: Real-time clock
+ * CMOS: Extended CMOS
+ * DMA1: DMA 1 page registers
+ * DMA1L: DMA 1 Ch 0 low page
+ * DMA2: DMA 2 page registers
+ * DMA2L: DMA 2 low page refresh
+ * ARBC: Arbitration control
+ * SETUP: Reserved system board setup
+ * POS: POS channel select
+ * PIC1: Cascaded PIC
+ * IDMA: ISA DMA
+ * ELCR: PIC edge/level registers
+ * PCI: PCI configuration space
*/
static const struct acpi_port_info acpi_protected_ports[] = {
- {"DMA1", 0x0000, 0x000F, ACPI_OSI_WIN_XP},
+ {"DMA", 0x0000, 0x000F, ACPI_OSI_WIN_XP},
{"PIC0", 0x0020, 0x0021, ACPI_ALWAYS_ILLEGAL},
{"PIT1", 0x0040, 0x0043, ACPI_OSI_WIN_XP},
{"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},
- {"DMA1", 0x0087, 0x0087, ACPI_OSI_WIN_XP},
- {"DMA2", 0x0089, 0x0089, ACPI_OSI_WIN_XP},
- {"DMA2", 0x008A, 0x008B, ACPI_OSI_WIN_XP},
- {"DMA2", 0x008F, 0x008F, ACPI_OSI_WIN_XP},
- {"Arb", 0x0090, 0x0091, ACPI_OSI_WIN_XP},
- {"Setup", 0x0093, 0x0094, 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},
+ {"ARBC", 0x0090, 0x0091, ACPI_OSI_WIN_XP},
+ {"SETUP", 0x0093, 0x0094, ACPI_OSI_WIN_XP},
{"POS", 0x0096, 0x0097, ACPI_OSI_WIN_XP},
{"PIC1", 0x00A0, 0x00A1, ACPI_ALWAYS_ILLEGAL},
- {"DMA", 0x00C0, 0x00DF, ACPI_OSI_WIN_XP},
+ {"IDMA", 0x00C0, 0x00DF, ACPI_OSI_WIN_XP},
{"ELCR", 0x04D0, 0x04D1, ACPI_ALWAYS_ILLEGAL},
{"PCI", 0x0CF8, 0x0D00, ACPI_OSI_WIN_XP}
};
--
1.6.0.6
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