linux-kernel - [PATCH 3.19.y-ckt 150/156] net: dsa: bcm

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Date:	Tue, 20 Oct 2015 14:38:11 -0700
From:	Kamal Mostafa <kamal@...onical.com>
To:	linux-kernel@...r.kernel.org, stable@...r.kernel.org,
	kernel-team@...ts.ubuntu.com
Cc:	Florian Fainelli <f.fainelli@...il.com>,
	"David S. Miller" <davem@...emloft.net>,
	Kamal Mostafa <kamal@...onical.com>
Subject: [PATCH 3.19.y-ckt 150/156] net: dsa: bcm_sf2: Fix 64-bits register writes

3.19.8-ckt8 -stable review patch.  If anyone has any objections, please let me know.

------------------

From: Florian Fainelli <f.fainelli@...il.com>

commit 03679a14739a0d4c14b52ba65a69ff553bfba73b upstream.

The macro to write 64-bits quantities to the 32-bits register swapped
the value and offsets arguments, we want to preserve the ordering of the
arguments with respect to how writel() is implemented for instance:
value first, offset/base second.

Fixes: 246d7f773c13 ("net: dsa: add Broadcom SF2 switch driver")
Signed-off-by: Florian Fainelli <f.fainelli@...il.com>
Reviewed-by: Vivien Didelot <vivien.didelot@...oirfairelinux.com>
Signed-off-by: David S. Miller <davem@...emloft.net>
Signed-off-by: Kamal Mostafa <kamal@...onical.com>
---
 drivers/net/dsa/bcm_sf2.h | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/net/dsa/bcm_sf2.h b/drivers/net/dsa/bcm_sf2.h
index ee9f650..3ecfda8 100644
--- a/drivers/net/dsa/bcm_sf2.h
+++ b/drivers/net/dsa/bcm_sf2.h
@@ -110,8 +110,8 @@ static inline u64 name##_readq(struct bcm_sf2_priv *priv, u32 off)	\
 	spin_unlock(&priv->indir_lock);					\
 	return (u64)indir << 32 | dir;					\
 }									\
-static inline void name##_writeq(struct bcm_sf2_priv *priv, u32 off,	\
-							u64 val)	\
+static inline void name##_writeq(struct bcm_sf2_priv *priv, u64 val,	\
+							u32 off)	\
 {									\
 	spin_lock(&priv->indir_lock);					\
 	reg_writel(priv, upper_32_bits(val), REG_DIR_DATA_WRITE);	\
-- 
1.9.1

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