Custom Search

[PATCH RT 1/7] Revert "ACPI: Convert embedded controller lock to raw spinlock"

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]



From: Steven Rostedt <srostedt@xxxxxxxxxx>

This reverts commit 1a39c79b4d1a6911a39083719a999fbfba7287ae.
---
 drivers/acpi/ec.c       |   22 +++++++++++-----------
 drivers/acpi/internal.h |    2 +-
 2 files changed, 12 insertions(+), 12 deletions(-)

diff --git a/drivers/acpi/ec.c b/drivers/acpi/ec.c
index db0e6c3..b72a603 100644
--- a/drivers/acpi/ec.c
+++ b/drivers/acpi/ec.c
@@ -152,10 +152,10 @@ static int ec_transaction_done(struct acpi_ec *ec)
 {
 	unsigned long flags;
 	int ret = 0;
-	raw_spin_lock_irqsave(&ec->curr_lock, flags);
+	spin_lock_irqsave(&ec->curr_lock, flags);
 	if (!ec->curr || ec->curr->done)
 		ret = 1;
-	raw_spin_unlock_irqrestore(&ec->curr_lock, flags);
+	spin_unlock_irqrestore(&ec->curr_lock, flags);
 	return ret;
 }
 
@@ -169,7 +169,7 @@ static void start_transaction(struct acpi_ec *ec)
 static void advance_transaction(struct acpi_ec *ec, u8 status)
 {
 	unsigned long flags;
-	raw_spin_lock_irqsave(&ec->curr_lock, flags);
+	spin_lock_irqsave(&ec->curr_lock, flags);
 	if (!ec->curr)
 		goto unlock;
 	if (ec->curr->wlen > ec->curr->wi) {
@@ -194,7 +194,7 @@ err:
 	if (in_interrupt())
 		++ec->curr->irq_count;
 unlock:
-	raw_spin_unlock_irqrestore(&ec->curr_lock, flags);
+	spin_unlock_irqrestore(&ec->curr_lock, flags);
 }
 
 static int acpi_ec_sync_query(struct acpi_ec *ec);
@@ -232,9 +232,9 @@ static int ec_poll(struct acpi_ec *ec)
 		if (acpi_ec_read_status(ec) & ACPI_EC_FLAG_IBF)
 			break;
 		pr_debug(PREFIX "controller reset, restart transaction\n");
-		raw_spin_lock_irqsave(&ec->curr_lock, flags);
+		spin_lock_irqsave(&ec->curr_lock, flags);
 		start_transaction(ec);
-		raw_spin_unlock_irqrestore(&ec->curr_lock, flags);
+		spin_unlock_irqrestore(&ec->curr_lock, flags);
 	}
 	return -ETIME;
 }
@@ -247,17 +247,17 @@ static int acpi_ec_transaction_unlocked(struct acpi_ec *ec,
 	if (EC_FLAGS_MSI)
 		udelay(ACPI_EC_MSI_UDELAY);
 	/* start transaction */
-	raw_spin_lock_irqsave(&ec->curr_lock, tmp);
+	spin_lock_irqsave(&ec->curr_lock, tmp);
 	/* following two actions should be kept atomic */
 	ec->curr = t;
 	start_transaction(ec);
 	if (ec->curr->command == ACPI_EC_COMMAND_QUERY)
 		clear_bit(EC_FLAGS_QUERY_PENDING, &ec->flags);
-	raw_spin_unlock_irqrestore(&ec->curr_lock, tmp);
+	spin_unlock_irqrestore(&ec->curr_lock, tmp);
 	ret = ec_poll(ec);
-	raw_spin_lock_irqsave(&ec->curr_lock, tmp);
+	spin_lock_irqsave(&ec->curr_lock, tmp);
 	ec->curr = NULL;
-	raw_spin_unlock_irqrestore(&ec->curr_lock, tmp);
+	spin_unlock_irqrestore(&ec->curr_lock, tmp);
 	return ret;
 }
 
@@ -678,7 +678,7 @@ static struct acpi_ec *make_acpi_ec(void)
 	mutex_init(&ec->lock);
 	init_swait_head(&ec->wait);
 	INIT_LIST_HEAD(&ec->list);
-	raw_spin_lock_init(&ec->curr_lock);
+	spin_lock_init(&ec->curr_lock);
 	return ec;
 }
 
diff --git a/drivers/acpi/internal.h b/drivers/acpi/internal.h
index 2519b6e..6f889ba 100644
--- a/drivers/acpi/internal.h
+++ b/drivers/acpi/internal.h
@@ -64,7 +64,7 @@ struct acpi_ec {
 	struct swait_head wait;
 	struct list_head list;
 	struct transaction *curr;
-	raw_spinlock_t curr_lock;
+	spinlock_t curr_lock;
 };
 
 extern struct acpi_ec *first_ec;
-- 
1.7.8.3


--
To unsubscribe from this list: send the line "unsubscribe linux-rt-users" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html


[RT Stable]     [Kernel Newbies]     [Share Photos]     [IDE]     [Security]     [Git]     [Netfilter]     [Bugtraq]     [Photo]     [Yosemite]     [Yosemite News]     [MIPS Linux]     [ARM Linux]     [Linux Security]     [Linux RAID]     [Linux ATA RAID]     [Samba]     [Video 4 Linux]     [Device Mapper]     [Linux Resources]

Add to Google Powered by Linux