---

yaml --- r: 151487 b: refs/heads/master c: 3dcdc50 h: refs/heads/master i: 151485: cd056b7 151483: 9837c61 151479: 63a3b35 151471: 31dfed8 151455: b1ba93d 151423: ede0faa v: v3
git-mirror · Jun 5, 2009 · a49d363 · a49d363
1 parent 901422f
commit a49d363
Show file tree

Hide file tree

Showing 2 changed files with 5 additions and 4 deletions.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: e41f8d709c31b42129a34305a99d29c38aff75c4
+refs/heads/master: 3dcdc50079bc2c9dbc6524518976353f743f7ec8
diff --git a/trunk/drivers/firewire/fw-ohci.c b/trunk/drivers/firewire/fw-ohci.c
@@ -31,6 +31,7 @@
 #include <linux/pci.h>
 #include <linux/spinlock.h>
 
+#include <asm/atomic.h>
 #include <asm/page.h>
 #include <asm/system.h>
 
@@ -178,7 +179,7 @@ struct fw_ohci {
 	int node_id;
 	int generation;
 	int request_generation;	/* for timestamping incoming requests */
-	u32 bus_seconds;
+	atomic_t bus_seconds;
 
 	bool use_dualbuffer;
 	bool old_uninorth;
@@ -1434,7 +1435,7 @@ static irqreturn_t irq_handler(int irq, void *data)
 	if (event & OHCI1394_cycle64Seconds) {
 		cycle_time = reg_read(ohci, OHCI1394_IsochronousCycleTimer);
 		if ((cycle_time & 0x80000000) == 0)
-			ohci->bus_seconds++;
+			atomic_inc(&ohci->bus_seconds);
 	}
 
 	return IRQ_HANDLED;
@@ -1770,7 +1771,7 @@ static u64 ohci_get_bus_time(struct fw_card *card)
 	u64 bus_time;
 
 	cycle_time = reg_read(ohci, OHCI1394_IsochronousCycleTimer);
-	bus_time = ((u64) ohci->bus_seconds << 32) | cycle_time;
+	bus_time = ((u64)atomic_read(&ohci->bus_seconds) << 32) | cycle_time;
 
 	return bus_time;
 }