From eb7e51aa6462ac177b562af0f452cbbcb19ff029 Mon Sep 17 00:00:00 2001
From: Sundar Iyer <sundar.iyer@stericsson.com>
Date: Mon, 13 Dec 2010 09:33:16 +0530
Subject: [PATCH] --- yaml --- r: 226023 b: refs/heads/master c:
 bd77efd0cea80865d4cfcc1e4b62789c51a74b2d h: refs/heads/master i:   226021:
 ccbc12cbb344597253b61753f10375c06b49d268   226019:
 ae6155899d58d71b344da7a21d7e9df46fdfa81e   226015:
 e52f4e4a6a13ab7b49de3276ec7d44e063ab2207 v: v3

---
 [refs]                      | 2 +-
 trunk/drivers/mfd/tc3589x.c | 8 ++++++--
 2 files changed, 7 insertions(+), 3 deletions(-)

diff --git a/[refs] b/[refs]
index 8a2452199a36..17d0256f907c 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 611b7590afa6e6c6b0942b1d3efef17fbb348ef5
+refs/heads/master: bd77efd0cea80865d4cfcc1e4b62789c51a74b2d
diff --git a/trunk/drivers/mfd/tc3589x.c b/trunk/drivers/mfd/tc3589x.c
index 0ed9669d95fa..708349a5c0e3 100644
--- a/trunk/drivers/mfd/tc3589x.c
+++ b/trunk/drivers/mfd/tc3589x.c
@@ -142,6 +142,7 @@ static irqreturn_t tc3589x_irq(int irq, void *data)
 	struct tc3589x *tc3589x = data;
 	int status;
 
+again:
 	status = tc3589x_reg_read(tc3589x, TC3589x_IRQST);
 	if (status < 0)
 		return IRQ_NONE;
@@ -156,9 +157,12 @@ static irqreturn_t tc3589x_irq(int irq, void *data)
 	/*
 	 * A dummy read or write (to any register) appears to be necessary to
 	 * have the last interrupt clear (for example, GPIO IC write) take
-	 * effect.
+	 * effect. In such a case, recheck for any interrupt which is still
+	 * pending.
 	 */
-	tc3589x_reg_read(tc3589x, TC3589x_IRQST);
+	status = tc3589x_reg_read(tc3589x, TC3589x_IRQST);
+	if (status)
+		goto again;
 
 	return IRQ_HANDLED;
 }