fs_enet: Remove dead code

CONFIG_DUET doesn't exist anymore, remove all the code that exists to
support it.

[ Simplify fs_init() even further -DaveM ]

Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

3 files changed, 1 insertions, 77 deletions

diff --git a/drivers/net/fs_enet/fs_enet-main.c b/drivers/net/fs_enet/fs_enet-main.c
index 9604aaed61d6..b892c3ad9a74 100644
--- a/drivers/net/fs_enet/fs_enet-main.c
+++ b/drivers/net/fs_enet/fs_enet-main.c
@@ -941,30 +941,6 @@ extern void fs_mii_disconnect(struct net_device *dev);
 
 /**************************************************************************************/
 
-/* handy pointer to the immap */
-void __iomem *fs_enet_immap = NULL;
-
-static int setup_immap(void)
-{
-#ifdef CONFIG_CPM1
-        fs_enet_immap = ioremap(IMAP_ADDR, 0x4000);
-        WARN_ON(!fs_enet_immap);
-#elif defined(CONFIG_CPM2)
-        fs_enet_immap = cpm2_immr;
-#endif
-
-        return 0;
-}
-
-static void cleanup_immap(void)
-{
-#if defined(CONFIG_CPM1)
-        iounmap(fs_enet_immap);
-#endif
-}
-
-/**************************************************************************************/
-
 #ifdef CONFIG_FS_ENET_HAS_FEC
 #define IS_FEC(match) ((match)->data == &fs_fec_ops)
 #else
@@ -1144,25 +1120,12 @@ static struct of_platform_driver fs_enet_driver = {
 
 static int __init fs_init(void)
 {
-        int r = setup_immap();
-        if (r != 0)
-                return r;
-
-        r = of_register_platform_driver(&fs_enet_driver);
-        if (r != 0)
-                goto out;
-
-        return 0;
-
-out:
-        cleanup_immap();
-        return r;
+        return of_register_platform_driver(&fs_enet_driver);
 }
 
 static void __exit fs_cleanup(void)
 {
         of_unregister_platform_driver(&fs_enet_driver);
-        cleanup_immap();
 }
 
 #ifdef CONFIG_NET_POLL_CONTROLLER
diff --git a/drivers/net/fs_enet/fs_enet.h b/drivers/net/fs_enet/fs_enet.h
index 85a4bab7f630..ef01e09781a5 100644
--- a/drivers/net/fs_enet/fs_enet.h
+++ b/drivers/net/fs_enet/fs_enet.h
@@ -194,9 +194,4 @@ extern const struct fs_ops fs_scc_ops;
 
 /*******************************************************************/
 
-/* handy pointer to the immap */
-extern void __iomem *fs_enet_immap;
-
-/*******************************************************************/
-
 #endif
diff --git a/drivers/net/fs_enet/mac-fec.c b/drivers/net/fs_enet/mac-fec.c
index 14e575313c89..ca7bcb8ab3a1 100644
--- a/drivers/net/fs_enet/mac-fec.c
+++ b/drivers/net/fs_enet/mac-fec.c
@@ -245,10 +245,6 @@ static void set_multicast_list(struct net_device *dev)
 
 static void restart(struct net_device *dev)
 {
-#ifdef CONFIG_DUET
-        immap_t *immap = fs_enet_immap;
-        u32 cptr;
-#endif
         struct fs_enet_private *fep = netdev_priv(dev);
         fec_t __iomem *fecp = fep->fec.fecp;
         const struct fs_platform_info *fpi = fep->fpi;
@@ -315,36 +311,6 @@ static void restart(struct net_device *dev)
         FW(fecp, ievent, 0xffc0);
         FW(fecp, ivec, (virq_to_hw(fep->interrupt) / 2) << 29);
 
-        /*
-         * adjust to speed (only for DUET & RMII)
-         */
-#ifdef CONFIG_DUET
-        if (fpi->use_rmii) {
-                cptr = in_be32(&immap->im_cpm.cp_cptr);
-                switch (fs_get_fec_index(fpi->fs_no)) {
-                case 0:
-                        cptr |= 0x100;
-                        if (fep->speed == 10)
-                                cptr |= 0x0000010;
-                        else if (fep->speed == 100)
-                                cptr &= ~0x0000010;
-                        break;
-                case 1:
-                        cptr |= 0x80;
-                        if (fep->speed == 10)
-                                cptr |= 0x0000008;
-                        else if (fep->speed == 100)
-                                cptr &= ~0x0000008;
-                        break;
-                default:
-                        BUG();  /* should never happen */
-                        break;
-                }
-                out_be32(&immap->im_cpm.cp_cptr, cptr);
-        }
-#endif
-
-
         FW(fecp, r_cntrl, FEC_RCNTRL_MII_MODE); /* MII enable */
         /*
          * adjust to duplex mode