linux-kernel - [PATCH -mm 1/2] RapidIO: Fix maximum port number in tsi57x EM initialization

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Message-Id: <1287410600-24783-1-git-send-email-alexandre.bounine@idt.com>
Date:	Mon, 18 Oct 2010 10:03:19 -0400
From:	Alexandre Bounine <alexandre.bounine@....com>
To:	akpm@...ux-foundation.org, linux-kernel@...r.kernel.org,
	linuxppc-dev@...ts.ozlabs.org
Cc:	Alexandre Bounine <alexandre.bounine@....com>,
	Kumar Gala <galak@...nel.crashing.org>,
	Matt Porter <mporter@...nel.crashing.org>,
	Li Yang <leoli@...escale.com>,
	Thomas Moll <thomas.moll@...go.com>,
	Micha Nelissen <micha@...i.hopto.org>
Subject: [PATCH -mm 1/2] RapidIO: Fix maximum port number in tsi57x EM initialization

Replace hardcoded maximum port number with actual reported number of
switch ports.

Signed-off-by: Alexandre Bounine <alexandre.bounine@....com>
Cc: Kumar Gala <galak@...nel.crashing.org>
Cc: Matt Porter <mporter@...nel.crashing.org>
Cc: Li Yang <leoli@...escale.com>
Cc: Thomas Moll <thomas.moll@...go.com>
Cc: Micha Nelissen <micha@...i.hopto.org>
---
 drivers/rapidio/switches/tsi57x.c |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)

diff --git a/drivers/rapidio/switches/tsi57x.c b/drivers/rapidio/switches/tsi57x.c
index d9e9492..2003fb6 100644
--- a/drivers/rapidio/switches/tsi57x.c
+++ b/drivers/rapidio/switches/tsi57x.c
@@ -166,7 +166,8 @@ tsi57x_em_init(struct rio_dev *rdev)
 
 	pr_debug("TSI578 %s [%d:%d]\n", __func__, destid, hopcount);
 
-	for (portnum = 0; portnum < 16; portnum++) {
+	for (portnum = 0;
+	     portnum < RIO_GET_TOTAL_PORTS(rdev->swpinfo); portnum++) {
 		/* Make sure that Port-Writes are enabled (for all ports) */
 		rio_mport_read_config_32(mport, destid, hopcount,
 				TSI578_SP_MODE(portnum), &regval);
-- 
1.7.3.1

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