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ACPICA: Add error msg for unsupported I/O requests (not 8/16/32 bit length)

Found during ACPICA debugging.

Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Lin Ming <ming.m.lin@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
Bob Moore 13 years ago
parent
commit
8519bc9f1e
1 changed files with 2 additions and 0 deletions
  1. 2 0
      drivers/acpi/acpica/hwvalid.c

+ 2 - 0
drivers/acpi/acpica/hwvalid.c

@@ -134,6 +134,8 @@ acpi_hw_validate_io_request(acpi_io_address address, u32 bit_width)
 	/* Supported widths are 8/16/32 */
 
 	if ((bit_width != 8) && (bit_width != 16) && (bit_width != 32)) {
+		ACPI_ERROR((AE_INFO,
+			    "Bad BitWidth parameter: %8.8X", bit_width));
 		return AE_BAD_PARAMETER;
 	}