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

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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>
This commit is contained in:
Bob Moore 2011-11-28 10:08:03 +08:00 committed by Len Brown
parent 8931d9ea78
commit 8519bc9f1e
1 changed files with 2 additions and 0 deletions
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2
drivers/acpi/acpica/hwvalid.c
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@ -134,6 +134,8 @@ acpi_hw_validate_io_request(acpi_io_address address, u32 bit_width)
/* Supported widths are 8/16/32 */ /* Supported widths are 8/16/32 */
if ((bit_width != 8) && (bit_width != 16) && (bit_width != 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; return AE_BAD_PARAMETER;
} }