ibm_emac: Remove the ibm_emac driver

The arch/ppc sub-tree has been removed in the powerpc git tree.  The old
ibm_emac driver is no longer used by anything as a result of this.  This
removes it, leaving the ibm_newemac driver as the proper driver to use for
PowerPC boards with the EMAC hardware.

Signed-off-by: Josh Boyer <jwboyer@linux.vnet.ibm.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>

1 files changed, 0 insertions, 110 deletions

diff --git a/drivers/net/ibm_emac/ibm_emac_tah.c b/drivers/net/ibm_emac/ibm_emac_tah.c
deleted file mode 100644
index 3c2d5ba522a..00000000000
--- a/drivers/net/ibm_emac/ibm_emac_tah.c
+++ /dev/null
@@ -1,110 +0,0 @@
-/*
- * drivers/net/ibm_emac/ibm_emac_tah.c
- *
- * Driver for PowerPC 4xx on-chip ethernet controller, TAH support.
- *
- * Copyright 2004 MontaVista Software, Inc.
- * Matt Porter <mporter@kernel.crashing.org>
- *
- * Copyright (c) 2005 Eugene Surovegin <ebs@ebshome.net>
- *
- * This program is free software; you can redistribute  it and/or modify it
- * under  the terms of  the GNU General  Public License as published by the
- * Free Software Foundation;  either version 2 of the  License, or (at your
- * option) any later version.
- */
-#include <asm/io.h>
-
-#include "ibm_emac_core.h"
-
-static int __init tah_init(struct ocp_device *ocpdev)
-{
-	struct tah_regs *p;
-
-	if (ocp_get_drvdata(ocpdev)) {
-		printk(KERN_ERR "tah%d: already in use!\n", ocpdev->def->index);
-		return -EBUSY;
-	}
-
-	/* Initialize TAH and enable IPv4 checksum verification, no TSO yet */
-	p = (struct tah_regs *)ioremap(ocpdev->def->paddr, sizeof(*p));
-	if (!p) {
-		printk(KERN_ERR "tah%d: could not ioremap device registers!\n",
-		       ocpdev->def->index);
-		return -ENOMEM;
-	}
-	ocp_set_drvdata(ocpdev, p);
-	__tah_reset(ocpdev);
-
-	return 0;
-}
-
-int __init tah_attach(void *emac)
-{
-	struct ocp_enet_private *dev = emac;
-	struct ocp_func_emac_data *emacdata = dev->def->additions;
-
-	/* Check if we need to attach to a TAH */
-	if (emacdata->tah_idx >= 0) {
-		dev->tah_dev = ocp_find_device(OCP_ANY_ID, OCP_FUNC_TAH,
-					       emacdata->tah_idx);
-		if (!dev->tah_dev) {
-			printk(KERN_ERR "emac%d: unknown tah%d!\n",
-			       dev->def->index, emacdata->tah_idx);
-			return -ENODEV;
-		}
-		if (tah_init(dev->tah_dev)) {
-			printk(KERN_ERR
-			       "emac%d: tah%d initialization failed!\n",
-			       dev->def->index, emacdata->tah_idx);
-			return -ENODEV;
-		}
-	}
-	return 0;
-}
-
-void __tah_fini(struct ocp_device *ocpdev)
-{
-	struct tah_regs *p = ocp_get_drvdata(ocpdev);
-	BUG_ON(!p);
-	ocp_set_drvdata(ocpdev, NULL);
-	iounmap((void *)p);
-}
-
-void __tah_reset(struct ocp_device *ocpdev)
-{
-	struct tah_regs *p = ocp_get_drvdata(ocpdev);
-	int n;
-
-	/* Reset TAH */
-	out_be32(&p->mr, TAH_MR_SR);
-	n = 100;
-	while ((in_be32(&p->mr) & TAH_MR_SR) && n)
-		--n;
-
-	if (unlikely(!n))
-		printk(KERN_ERR "tah%d: reset timeout\n", ocpdev->def->index);
-
-	/* 10KB TAH TX FIFO accomodates the max MTU of 9000 */
-	out_be32(&p->mr,
-		 TAH_MR_CVR | TAH_MR_ST_768 | TAH_MR_TFS_10KB | TAH_MR_DTFP |
-		 TAH_MR_DIG);
-}
-
-int __tah_get_regs_len(struct ocp_device *ocpdev)
-{
-	return sizeof(struct emac_ethtool_regs_subhdr) +
-	    sizeof(struct tah_regs);
-}
-
-void *tah_dump_regs(struct ocp_device *ocpdev, void *buf)
-{
-	struct tah_regs *dev = ocp_get_drvdata(ocpdev);
-	struct emac_ethtool_regs_subhdr *hdr = buf;
-	struct tah_regs *regs = (struct tah_regs *)(hdr + 1);
-
-	hdr->version = 0;
-	hdr->index = ocpdev->def->index;
-	memcpy_fromio(regs, dev, sizeof(struct tah_regs));
-	return regs + 1;
-}