From 865f3b2b6ac578a061c823bec5baf00ad04cbd8c Mon Sep 17 00:00:00 2001
From: Stephen Hemminger <shemminger@osdl.org>
Date: Thu, 5 Oct 2006 10:21:26 -0700
Subject: [PATCH] [PATCH] sk98lin: MII ioctl support
Add MII ioctl support to the deprecated sk98lin driver.
This allows comparison with skge driver's PHY settings.
Signed-off-by: Stephen Hemminger <shemminger@osdl.org>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
---
drivers/net/sk98lin/skge.c | 54 ++++++++++++++++++++++++++++++++++++++
1 file changed, 54 insertions(+)
diff --git a/drivers/net/sk98lin/skge.c b/drivers/net/sk98lin/skge.c
index d4913c3de2a1..a5d41ebc9fb4 100644
--- a/drivers/net/sk98lin/skge.c
+++ b/drivers/net/sk98lin/skge.c
@@ -113,6 +113,7 @@
#include <linux/init.h>
#include <linux/dma-mapping.h>
#include <linux/ip.h>
+#include <linux/mii.h>
#include "h/skdrv1st.h"
#include "h/skdrv2nd.h"
@@ -2843,6 +2844,56 @@ unsigned long Flags; /* for spin lock */
return(&pAC->stats);
} /* SkGeStats */
+/*
+ * Basic MII register access
+ */
+static int SkGeMiiIoctl(struct net_device *dev,
+ struct mii_ioctl_data *data, int cmd)
+{
+ DEV_NET *pNet = netdev_priv(dev);
+ SK_AC *pAC = pNet->pAC;
+ SK_IOC IoC = pAC->IoBase;
+ int Port = pNet->PortNr;
+ SK_GEPORT *pPrt = &pAC->GIni.GP[Port];
+ unsigned long Flags;
+ int err = 0;
+ int reg = data->reg_num & 0x1f;
+ SK_U16 val = data->val_in;
+
+ if (!netif_running(dev))
+ return -ENODEV; /* Phy still in reset */
+
+ spin_lock_irqsave(&pAC->SlowPathLock, Flags);
+ switch(cmd) {
+ case SIOCGMIIPHY:
+ data->phy_id = pPrt->PhyAddr;
+
+ /* fallthru */
+ case SIOCGMIIREG:
+ if (pAC->GIni.GIGenesis)
+ SkXmPhyRead(pAC, IoC, Port, reg, &val);
+ else
+ SkGmPhyRead(pAC, IoC, Port, reg, &val);
+
+ data->val_out = val;
+ break;
+
+ case SIOCSMIIREG:
+ if (!capable(CAP_NET_ADMIN))
+ err = -EPERM;
+
+ else if (pAC->GIni.GIGenesis)
+ SkXmPhyWrite(pAC, IoC, Port, reg, val);
+ else
+ SkGmPhyWrite(pAC, IoC, Port, reg, val);
+ break;
+ default:
+ err = -EOPNOTSUPP;
+ }
+ spin_unlock_irqrestore(&pAC->SlowPathLock, Flags);
+ return err;
+}
+
/*****************************************************************************
*
@@ -2876,6 +2927,9 @@ int HeaderLength = sizeof(SK_U32) + sizeof(SK_U32);
pNet = netdev_priv(dev);
pAC = pNet->pAC;
+ if (cmd == SIOCGMIIPHY || cmd == SIOCSMIIREG || cmd == SIOCGMIIREG)
+ return SkGeMiiIoctl(dev, if_mii(rq), cmd);
+
if(copy_from_user(&Ioctl, rq->ifr_data, sizeof(SK_GE_IOCTL))) {
return -EFAULT;
}
--
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