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authorAlexey Starikovskiy <astarikovskiy@suse.de>2009-08-28 23:29:44 +0400
committerLen Brown <len.brown@intel.com>2009-08-29 21:51:54 -0400
commit6a63b06f3c494cc87eade97f081300bda60acec7 (patch)
tree5fd6a2533a03c0169616bf380a5af3ad7ff973be /drivers/acpi
parent2a84cb9852f52c0cd1c48bca41a8792d44ad06cc (diff)
ACPI: EC: use BURST mode only for MSI notebooks
Signed-off-by: Alexey Starikovskiy <astarikovskiy@suse.de> Signed-off-by: Len Brown <len.brown@intel.com>
Diffstat (limited to 'drivers/acpi')
-rw-r--r--drivers/acpi/ec.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/acpi/ec.c b/drivers/acpi/ec.c
index 839b542d508..788db781a51 100644
--- 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: