From 8519bc9f1e6db43a9b95b70ef0c7b61cb36d58e4 Mon Sep 17 00:00:00 2001
From: Bob Moore <robert.moore@intel.com>
Date: Mon, 28 Nov 2011 10:08:03 +0800
Subject: [PATCH] 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>
---
drivers/acpi/acpica/hwvalid.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/acpi/acpica/hwvalid.c b/drivers/acpi/acpica/hwvalid.c
index 5f1605874655a..f8fbea9470131 100644
--- a/drivers/acpi/acpica/hwvalid.c
+++ b/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;
}
--
2.30.2