linux-kernel - [PATCH v2] net/ibm/emac: bump version numbers for correct work with ethtool

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Message-ID: <20150925115227.636d658d@fr-ThinkPad-W520>
Date:	Fri, 25 Sep 2015 11:52:27 +0400
From:	Ivan Mikhaylov <ivan@...ibm.com>
To:	netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
	"David S. Miller" <davem@...emloft.net>,
	"Ben Hutchings" <ben@...adent.org.uk>
Subject: [PATCH v2] net/ibm/emac: bump version numbers for correct work with
 ethtool

The size of the MAC register dump used to be the size specified by the
reg property in the device tree.  Userland has no good way of finding
out that size, and it was not specified consistently for each MAC type,
so ethtool would end up printing junk at the end of the register dump
if the device tree didn't match the size it assumed.

Using the new version numbers indicates unambiguously that the size of
the MAC register dump is dependent only on the MAC type.

Fixes: 5369c71f7ca2 ("net/ibm/emac: fix size of emac dump memory areas")

Signed-off-by: Ivan Mikhaylov <ivan@...ibm.com>
---
 drivers/net/ethernet/ibm/emac/core.h |    6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/net/ethernet/ibm/emac/core.h b/drivers/net/ethernet/ibm/emac/core.h
index 28df374..ac02c67 100644
--- a/drivers/net/ethernet/ibm/emac/core.h
+++ b/drivers/net/ethernet/ibm/emac/core.h
@@ -460,8 +460,8 @@ struct emac_ethtool_regs_subhdr {
 	u32 index;
 };
 
-#define EMAC_ETHTOOL_REGS_VER		0
-#define EMAC4_ETHTOOL_REGS_VER		1
-#define EMAC4SYNC_ETHTOOL_REGS_VER	2
+#define EMAC_ETHTOOL_REGS_VER		3
+#define EMAC4_ETHTOOL_REGS_VER		4
+#define EMAC4SYNC_ETHTOOL_REGS_VER	5
 
 #endif /* __IBM_NEWEMAC_CORE_H */
-- 
1.7.9.5

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