---

yaml --- r: 94852 b: refs/heads/master c: 2d32a9a h: refs/heads/master v: v3
git-mirror · Apr 25, 2008 · 18e6079 · 18e6079
1 parent 5633364
commit 18e6079
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Showing 2 changed files with 3 additions and 1 deletion.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: c6b069e94601aea8887afbbd922afe20a3580a7d
+refs/heads/master: 2d32a9aed2e335d110fbb11985a9545b1f7219ab
diff --git a/trunk/drivers/pci/hotplug/pciehp_hpc.c b/trunk/drivers/pci/hotplug/pciehp_hpc.c
@@ -279,6 +279,7 @@ static int pcie_write_cmd(struct slot *slot, u16 cmd, u16 mask)
 	slot_ctrl |= ((cmd & mask) | CMD_CMPL_INTR_ENABLE);
 
 	ctrl->cmd_busy = 1;
+	smp_mb();
 	retval = pciehp_writew(ctrl, SLOTCTRL, slot_ctrl);
 	if (retval)
 		err("%s: Cannot write to SLOTCTRL register\n", __func__);
@@ -759,6 +760,7 @@ static irqreturn_t pcie_isr(int irq, void *dev_id)
 	/* Check Command Complete Interrupt Pending */
 	if (intr_loc & CMD_COMPLETED) {
 		ctrl->cmd_busy = 0;
+		smp_mb();
 		wake_up_interruptible(&ctrl->queue);
 	}