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authorAlexey Starikovskiy <astarikovskiy@suse.de>2007-10-22 06:18:50 -0400
committerLen Brown <len.brown@intel.com>2007-10-25 16:31:31 -0400
commit1c55053c21706ccf1fdb26b4bb6d05c4a2782ffe (patch)
treefe111b945c262e7c219e8ae498aeb382c65d0577 /drivers/acpi/ec.c
parent7843932ac42899b936085beaea8620d4489b8b3f (diff)
ACPI: EC: Don't re-enable GPE for each transaction.
With the auto selection of operation mode, absence of GPEs does not really degrade performance, so let PM code to handle enabling/disabling GPEs. This is a revert of 5d57a6a55ec0bdcb952dbcd3f8ffcde8a3ee9413, which was meant to be temporary. Reference: http://bugzilla.kernel.org/show_bug.cgi?id=7977 Signed-off-by: Alexey Starikovskiy <astarikovskiy@suse.de> Acked-by: Rafael J. Wysocki <rjw@sisk.pl> Signed-off-by: Len Brown <len.brown@intel.com>
Diffstat (limited to 'drivers/acpi/ec.c')
-rw-r--r--drivers/acpi/ec.c5
1 files changed, 0 insertions, 5 deletions
diff --git a/drivers/acpi/ec.c b/drivers/acpi/ec.c
index 50d55fe71a30..41a21fcdbcb8 100644
--- a/drivers/acpi/ec.c
+++ b/drivers/acpi/ec.c
@@ -258,9 +258,6 @@ static int acpi_ec_transaction(struct acpi_ec *ec, u8 command,
258 } 258 }
259 } 259 }
260 260
261 /* Make sure GPE is enabled before doing transaction */
262 acpi_enable_gpe(NULL, ec->gpe, ACPI_NOT_ISR);
263
264 status = acpi_ec_wait(ec, ACPI_EC_EVENT_IBF_0, 0); 261 status = acpi_ec_wait(ec, ACPI_EC_EVENT_IBF_0, 0);
265 if (status) { 262 if (status) {
266 printk(KERN_ERR PREFIX 263 printk(KERN_ERR PREFIX
@@ -638,12 +635,10 @@ static struct acpi_ec *make_acpi_ec(void)
638 struct acpi_ec *ec = kzalloc(sizeof(struct acpi_ec), GFP_KERNEL); 635 struct acpi_ec *ec = kzalloc(sizeof(struct acpi_ec), GFP_KERNEL);
639 if (!ec) 636 if (!ec)
640 return NULL; 637 return NULL;
641
642 ec->flags = 1 << EC_FLAGS_QUERY_PENDING; 638 ec->flags = 1 << EC_FLAGS_QUERY_PENDING;
643 mutex_init(&ec->lock); 639 mutex_init(&ec->lock);
644 init_waitqueue_head(&ec->wait); 640 init_waitqueue_head(&ec->wait);
645 INIT_LIST_HEAD(&ec->list); 641 INIT_LIST_HEAD(&ec->list);
646
647 return ec; 642 return ec;
648} 643}
649 644