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net/macb: add the user i/o to ethtool register dump

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User i/o register EMAC_USRIO or GMAC_UR can be found on both macb and gem
flavors of the peripheral. By using the proper accessor, we can add it to the
register dump feature of ethtool.
Increment the version of this API so it can be noticed from user space.

Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Nicolas Ferre 2015-03-31 15:02:04 +02:00 committed by David S. Miller
parent c69618b3e4
commit 7c39994fc1
2 changed files with 2 additions and 2 deletions
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2
drivers/net/ethernet/cadence/macb.c
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@ -2037,8 +2037,8 @@ static void macb_get_regs(struct net_device *dev, struct ethtool_regs *regs,
regs_buff[10] = macb_tx_dma(&bp->queues[0], tail);
regs_buff[11] = macb_tx_dma(&bp->queues[0], head);
regs_buff[12] = macb_or_gem_readl(bp, USRIO);
if (macb_is_gem(bp)) {
regs_buff[12] = gem_readl(bp, USRIO);
regs_buff[13] = gem_readl(bp, DMACFG);
}
}

2
drivers/net/ethernet/cadence/macb.h
View File

@ -11,7 +11,7 @@
#define _MACB_H
#define MACB_GREGS_NBR 16
#define MACB_GREGS_VERSION 1
#define MACB_GREGS_VERSION 2
#define MACB_MAX_QUEUES 8
/* MACB register offsets */