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ACPI: EC: use BURST mode only for MSI notebooks
author
Alexey Starikovskiy
<astarikovskiy@suse.de>
Fri, 28 Aug 2009 19:29:44 +0000
(23:29 +0400)
committer
Len Brown
<len.brown@intel.com>
Sun, 30 Aug 2009 01:51:54 +0000
(21:51 -0400)
Signed-off-by: Alexey Starikovskiy <astarikovskiy@suse.de>
Signed-off-by: Len Brown <len.brown@intel.com>
drivers/acpi/ec.c
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diff --git
a/drivers/acpi/ec.c
b/drivers/acpi/ec.c
index
839b542
..
788db78
100644
(file)
--- a/
drivers/acpi/ec.c
+++ b/
drivers/acpi/ec.c
@@
-575,7
+575,8
@@
acpi_ec_space_handler(u32 function, acpi_physical_address address,
if (bits != 8 && acpi_strict)
return AE_BAD_PARAMETER;
- acpi_ec_burst_enable(ec);
+ if (EC_FLAGS_MSI)
+ acpi_ec_burst_enable(ec);
if (function == ACPI_READ) {
result = acpi_ec_read(ec, address, &temp);
@@
-596,7
+597,8
@@
acpi_ec_space_handler(u32 function, acpi_physical_address address,
}
}
- acpi_ec_burst_disable(ec);
+ if (EC_FLAGS_MSI)
+ acpi_ec_burst_disable(ec);
switch (result) {
case -EINVAL: