[3.19.y-ckt stable] Patch "net: dsa: bcm_sf2: Fix 64-bits register writes" has been added to staging queue

Kamal Mostafa kamal at canonical.com
Mon Oct 19 22:40:45 UTC 2015


This is a note to let you know that I have just added a patch titled

    net: dsa: bcm_sf2: Fix 64-bits register writes

to the linux-3.19.y-queue branch of the 3.19.y-ckt extended stable tree 
which can be found at:

    http://kernel.ubuntu.com/git/ubuntu/linux.git/log/?h=linux-3.19.y-queue

This patch is scheduled to be released in version 3.19.8-ckt8.

If you, or anyone else, feels it should not be added to this tree, please 
reply to this email.

For more information about the 3.19.y-ckt tree, see
https://wiki.ubuntu.com/Kernel/Dev/ExtendedStable

Thanks.
-Kamal

------

>From 0759191244494c5586ee2050e3847f6b4d5820f4 Mon Sep 17 00:00:00 2001
From: Florian Fainelli <f.fainelli at gmail.com>
Date: Tue, 8 Sep 2015 20:06:41 -0700
Subject: net: dsa: bcm_sf2: Fix 64-bits register writes

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 at gmail.com>
Reviewed-by: Vivien Didelot <vivien.didelot at savoirfairelinux.com>
Signed-off-by: David S. Miller <davem at davemloft.net>
Signed-off-by: Kamal Mostafa <kamal at canonical.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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