Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S261623AbVCRPO2 (ORCPT ); Fri, 18 Mar 2005 10:14:28 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S261628AbVCRPO2 (ORCPT ); Fri, 18 Mar 2005 10:14:28 -0500 Received: from rproxy.gmail.com ([64.233.170.194]:40663 "EHLO rproxy.gmail.com") by vger.kernel.org with ESMTP id S261623AbVCRPLz (ORCPT ); Fri, 18 Mar 2005 10:11:55 -0500 DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=beta; d=gmail.com; h=received:message-id:date:from:reply-to:to:subject:cc:in-reply-to:mime-version:content-type:content-transfer-encoding:references; b=M8GPgf6gfSRH2nRAOwJDYRI4kAlYeJ2BS/q6hgb3hB5Ls8WwVVMypYUonH72rQOrEhZmjxNo+rpSXSLNDl/+62F/vz1Hdoxe+krNn3PCRPhwHUyjobHnpq0Jgs1B4NRqXhqLyVVsEGiR3SnkrmcV0gz6p28ZAw++MgTCidCyqfo= Message-ID: <4f6c1bdf0503180711148b8f02@mail.gmail.com> Date: Fri, 18 Mar 2005 20:41:52 +0530 From: Hong Kong Phoey Reply-To: Hong Kong Phoey To: Sascha Hauer Subject: Re: [PATCH] DM9000 network driver Cc: linux-kernel@vger.kernel.org In-Reply-To: <20050318133143.GA20838@metis.extern.pengutronix.de> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit References: <20050318133143.GA20838@metis.extern.pengutronix.de> Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 47359 Lines: 1478 Sacrificing readibility a little bit, you could do something useful. Instead of those ugly switch statements you could define function pointer arrays and call appropriate function switch(foo) { case 1: f1(); case2 : f2(); }; could well become void (*func)[] = { f1, f2 }; func(i); On Fri, 18 Mar 2005 14:31:44 +0100, Sascha Hauer wrote: > > Hello all, > > This patch adds support for the davicom dm9000 network driver. The > dm9000 is found on some embedded arm boards such as the pimx1 or the > scb9328. > > Sascha Hauer > > Signed-off-by: Sascha Hauer > > diff -urN linux-2.6.11/drivers/net/Kconfig linux-2.6.11-work/drivers/net/Kconfig > --- linux-2.6.11/drivers/net/Kconfig 2005-03-02 08:38:25.000000000 +0100 > +++ linux-2.6.11-work/drivers/net/Kconfig 2005-03-17 12:33:26.000000000 +0100 > @@ -849,6 +849,18 @@ > . The module > will be called smc9194. > > +config DM9000 > + tristate "DM9000 support" > + depends on ARM && NET_ETHERNET > + select CRC32 > + select MII > + ---help--- > + Support for DM9000 chipset. > + > + To compile this driver as a module, choose M here and read > + . The module will be > + called dm9000. > + > config NET_VENDOR_RACAL > bool "Racal-Interlan (Micom) NI cards" > depends on NET_ETHERNET && ISA > diff -urN linux-2.6.11/drivers/net/Makefile linux-2.6.11-work/drivers/net/Makefile > --- linux-2.6.11/drivers/net/Makefile 2005-03-02 08:37:52.000000000 +0100 > +++ linux-2.6.11-work/drivers/net/Makefile 2005-03-17 12:32:16.000000000 +0100 > @@ -181,6 +181,7 @@ > obj-$(CONFIG_IBMVETH) += ibmveth.o > obj-$(CONFIG_S2IO) += s2io.o > obj-$(CONFIG_SMC91X) += smc91x.o > +obj-$(CONFIG_DM9000) += dm9000.o > obj-$(CONFIG_FEC_8XX) += fec_8xx/ > > obj-$(CONFIG_ARM) += arm/ > diff -urN linux-2.6.11/drivers/net/dm9000.c linux-2.6.11-work/drivers/net/dm9000.c > --- linux-2.6.11/drivers/net/dm9000.c 1970-01-01 01:00:00.000000000 +0100 > +++ linux-2.6.11-work/drivers/net/dm9000.c 2005-03-17 16:04:49.000000000 +0100 > @@ -0,0 +1,1219 @@ > +/* > + * dm9000.c: Version 1.2 03/18/2003 > + * > + * A Davicom DM9000 ISA NIC fast Ethernet driver for Linux. > + * Copyright (C) 1997 Sten Wang > + * > + * 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. > + * > + * This program is distributed in the hope that it will be useful, > + * but WITHOUT ANY WARRANTY; without even the implied warranty of > + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the > + * GNU General Public License for more details. > + * > + * (C)Copyright 1997-1998 DAVICOM Semiconductor,Inc. All Rights Reserved. > + * > + * V0.11 06/20/2001 REG_0A bit3=1, default enable BP with DA match > + * 06/22/2001 Support DM9801 progrmming > + * E3: R25 = ((R24 + NF) & 0x00ff) | 0xf000 > + * E4: R25 = ((R24 + NF) & 0x00ff) | 0xc200 > + * R17 = (R17 & 0xfff0) | NF + 3 > + * E5: R25 = ((R24 + NF - 3) & 0x00ff) | 0xc200 > + * R17 = (R17 & 0xfff0) | NF > + * > + * v1.00 modify by simon 2001.9.5 > + * change for kernel 2.4.x > + * > + * v1.1 11/09/2001 fix force mode bug > + * > + * v1.2 03/18/2003 Weilun Huang : > + * Fixed phy reset. > + * Added tx/rx 32 bit mode. > + * Cleaned up for kernel merge. > + * > + * 03/03/2004 Sascha Hauer > + * Port to 2.6 kernel > + * > + * 24-Sep-2004 Ben Dooks > + * Cleanup of code to remove ifdefs > + * Allowed platform device data to influence access width > + * Reformatting areas of code > + * > + * 17-Mar-2005 Sascha Hauer > + * * removed 2.4 style module parameters > + * * removed removed unused stat counter and fixed > + * net_device_stats > + * * introduced tx_timeout function > + * * reworked locking > + */ > + > +#include > +#include > +#include > +#include > +#include > +#include > +#include > +#include > +#include > +#include > +#include > +#include > + > +#include > +#include > +#include > + > +#include "dm9000.h" > + > +/* Board/System/Debug information/definition ---------------- */ > + > +#define DM9000_PHY 0x40 /* PHY address 0x01 */ > + > +#define TRUE 1 > +#define FALSE 0 > + > +#define CARDNAME "dm9000" > +#define PFX CARDNAME ": " > + > +#define DM9000_TIMER_WUT jiffies+(HZ*2) /* timer wakeup time : 2 second */ > + > +#define DM9000_DEBUG 0 > + > +#if DM9000_DEBUG > 2 > +#define PRINTK3(args...) printk(CARDNAME ": " args) > +#else > +#define PRINTK3(args...) do { } while(0) > +#endif > + > +#if DM9000_DEBUG > 1 > +#define PRINTK2(args...) printk(CARDNAME ": " args) > +#else > +#define PRINTK2(args...) do { } while(0) > +#endif > + > +#if DM9000_DEBUG > 0 > +#define PRINTK1(args...) printk(CARDNAME ": " args) > +#define PRINTK(args...) printk(CARDNAME ": " args) > +#else > +#define PRINTK1(args...) do { } while(0) > +#define PRINTK(args...) printk(KERN_DEBUG args) > +#endif > + > +/* > + * Transmit timeout, default 5 seconds. > + */ > +static int watchdog = 5000; > +module_param(watchdog, int, 0400); > +MODULE_PARM_DESC(watchdog, "transmit timeout in milliseconds"); > + > +/* Structure/enum declaration ------------------------------- */ > +typedef struct board_info { > + > + void __iomem *io_addr; /* Register I/O base address */ > + void __iomem *io_data; /* Data I/O address */ > + u16 irq; /* IRQ */ > + > + u16 tx_pkt_cnt; > + u16 queue_pkt_len; > + u16 queue_start_addr; > + u16 dbug_cnt; > + u8 io_mode; /* 0:word, 2:byte */ > + u8 phy_addr; > + > + void (*inblk)(void __iomem *port, void *data, int length); > + void (*outblk)(void __iomem *port, void *data, int length); > + void (*dumpblk)(void __iomem *port, int length); > + > + struct resource *addr_res; /* resources found */ > + struct resource *data_res; > + struct resource *addr_req; /* resources requested */ > + struct resource *data_req; > + struct resource *irq_res; > + > + struct timer_list timer; > + struct net_device_stats stats; > + unsigned char srom[128]; > + spinlock_t lock; > + > + struct mii_if_info mii; > + u32 msg_enable; > +} board_info_t; > + > +/* function declaration ------------------------------------- */ > +static int dm9000_probe(struct device *); > +static int dm9000_open(struct net_device *); > +static int dm9000_start_xmit(struct sk_buff *, struct net_device *); > +static int dm9000_stop(struct net_device *); > +static int dm9000_do_ioctl(struct net_device *, struct ifreq *, int); > + > + > +static void dm9000_timer(unsigned long); > +static void dm9000_init_dm9000(struct net_device *); > + > +static struct net_device_stats *dm9000_get_stats(struct net_device *); > + > +static irqreturn_t dm9000_interrupt(int, void *, struct pt_regs *); > + > +static int dm9000_phy_read(struct net_device *dev, int phyaddr_unsused, int reg); > +static void dm9000_phy_write(struct net_device *dev, int phyaddr_unused, int reg, > + int value); > +static u16 read_srom_word(board_info_t *, int); > +static void dm9000_rx(struct net_device *); > +static void dm9000_hash_table(struct net_device *); > + > +//#define DM9000_PROGRAM_EEPROM > +#ifdef DM9000_PROGRAM_EEPROM > +static void program_eeprom(board_info_t * db); > +#endif > +/* DM9000 network board routine ---------------------------- */ > + > +static void > +dm9000_reset(board_info_t * db) > +{ > + PRINTK1("dm9000x: resetting\n"); > + /* RESET device */ > + writeb(DM9000_NCR, db->io_addr); > + udelay(200); > + writeb(NCR_RST, db->io_data); > + udelay(200); > +} > + > +/* > + * Read a byte from I/O port > + */ > +static u8 > +ior(board_info_t * db, int reg) > +{ > + writeb(reg, db->io_addr); > + return readb(db->io_data); > +} > + > +/* > + * Write a byte to I/O port > + */ > + > +static void > +iow(board_info_t * db, int reg, int value) > +{ > + writeb(reg, db->io_addr); > + writeb(value, db->io_data); > +} > + > +/* routines for sending block to chip */ > + > +static void dm9000_outblk_8bit(void __iomem *reg, void *data, int count) > +{ > + writesb(reg, data, count); > +} > + > +static void dm9000_outblk_16bit(void __iomem *reg, void *data, int count) > +{ > + writesw(reg, data, (count+1) >> 1); > +} > + > +static void dm9000_outblk_32bit(void __iomem *reg, void *data, int count) > +{ > + writesl(reg, data, (count+3) >> 2); > +} > + > +/* input block from chip to memory */ > + > +static void dm9000_inblk_8bit(void __iomem *reg, void *data, int count) > +{ > + readsb(reg, data, count+1); > +} > + > + > +static void dm9000_inblk_16bit(void __iomem *reg, void *data, int count) > +{ > + readsw(reg, data, (count+1) >> 1); > +} > + > +static void dm9000_inblk_32bit(void __iomem *reg, void *data, int count) > +{ > + readsl(reg, data, (count+3) >> 2); > +} > + > +/* dump block from chip to null */ > + > +static void dm9000_dumpblk_8bit(void __iomem *reg, int count) > +{ > + int i; > + int tmp; > + > + for (i = 0; i < count; i++) > + tmp = readb(reg); > +} > + > +static void dm9000_dumpblk_16bit(void __iomem *reg, int count) > +{ > + int i; > + int tmp; > + > + count = (count + 1) >> 1; > + > + for (i = 0; i < count; i++) > + tmp = readw(reg); > +} > + > +static void dm9000_dumpblk_32bit(void __iomem *reg, int count) > +{ > + int i; > + int tmp; > + > + count = (count + 3) >> 2; > + > + for (i = 0; i < count; i++) > + tmp = readl(reg); > +} > + > +/* dm9000_set_io > + * > + * select the specified set of io routines to use with the > + * device > + */ > + > +static void dm9000_set_io(struct board_info *db, int byte_width) > +{ > + /* use the size of the data resource to work out what IO > + * routines we want to use > + */ > + > + switch (byte_width) { > + case 1: > + db->dumpblk = dm9000_dumpblk_8bit; > + db->outblk = dm9000_outblk_8bit; > + db->inblk = dm9000_inblk_8bit; > + break; > + > + case 2: > + db->dumpblk = dm9000_dumpblk_16bit; > + db->outblk = dm9000_outblk_16bit; > + db->inblk = dm9000_inblk_16bit; > + break; > + > + case 3: > + printk(KERN_ERR PFX ": 3 byte IO, falling back to 16bit\n"); > + db->dumpblk = dm9000_dumpblk_16bit; > + db->outblk = dm9000_outblk_16bit; > + db->inblk = dm9000_inblk_16bit; > + break; > + > + case 4: > + default: > + db->dumpblk = dm9000_dumpblk_32bit; > + db->outblk = dm9000_outblk_32bit; > + db->inblk = dm9000_inblk_32bit; > + break; > + } > +} > + > + > +/* Our watchdog timed out. Called by the networking layer */ > +static void dm9000_timeout(struct net_device *dev) > +{ > + board_info_t *db = (board_info_t *) dev->priv; > + u8 reg_save; > + unsigned long flags; > + > + /* Save previous register address */ > + reg_save = readb(db->io_addr); > + spin_lock_irqsave(db->lock,flags); > + > + netif_stop_queue(dev); > + dm9000_reset(db); > + dm9000_init_dm9000(dev); > + /* We can accept TX packets again */ > + dev->trans_start = jiffies; > + netif_wake_queue(dev); > + > + /* Restore previous register address */ > + writeb(reg_save, db->io_addr); > + spin_unlock_irqrestore(db->lock,flags); > +} > + > + > +/* dm9000_release_board > + * > + * release a board, and any mapped resources > + */ > + > +static void > +dm9000_release_board(struct platform_device *pdev, struct board_info *db) > +{ > + if (db->data_res == NULL) { > + if (db->addr_res != NULL) > + release_mem_region((unsigned long)db->io_addr, 4); > + return; > + } > + > + /* unmap our resources */ > + > + iounmap(db->io_addr); > + iounmap(db->io_data); > + > + /* release the resources */ > + > + if (db->data_req != NULL) { > + release_resource(db->data_req); > + kfree(db->data_req); > + } > + > + if (db->addr_res != NULL) { > + release_resource(db->data_req); > + kfree(db->addr_req); > + } > +} > + > +#define res_size(_r) (((_r)->end - (_r)->start) + 1) > + > +/* > + * Search DM9000 board, allocate space and register it > + */ > +static int > +dm9000_probe(struct device *dev) > +{ > + struct platform_device *pdev = to_platform_device(dev); > + struct dm9000_plat_data *pdata = pdev->dev.platform_data; > + struct board_info *db; /* Point a board information structure */ > + struct net_device *ndev; > + unsigned long base; > + int ret = 0; > + int iosize; > + int i; > + u32 id_val; > + > + printk(KERN_INFO "%s Ethernet Driver\n", CARDNAME); > + > + /* Init network device */ > + ndev = alloc_etherdev(sizeof (struct board_info)); > + if (!ndev) { > + printk("%s: could not allocate device.\n", CARDNAME); > + return -ENOMEM; > + } > + > + SET_MODULE_OWNER(ndev); > + SET_NETDEV_DEV(ndev, dev); > + > + PRINTK2("dm9000_probe()"); > + > + /* setup board info structure */ > + db = (struct board_info *) ndev->priv; > + memset(db, 0, sizeof (*db)); > + > + if (pdev->num_resources < 2) { > + ret = -ENODEV; > + goto out; > + } > + > + switch (pdev->num_resources) { > + case 2: > + base = pdev->resource[0].start; > + > + if (!request_mem_region(base, 4, ndev->name)) { > + ret = -EBUSY; > + goto out; > + } > + > + ndev->base_addr = base; > + ndev->irq = pdev->resource[1].start; > + db->io_addr = (void *)base; > + db->io_data = (void *)(base + 4); > + > + break; > + > + case 3: > + db->addr_res = platform_get_resource(pdev, IORESOURCE_MEM, 0); > + db->data_res = platform_get_resource(pdev, IORESOURCE_MEM, 1); > + db->irq_res = platform_get_resource(pdev, IORESOURCE_IRQ, 0); > + > + if (db->addr_res == NULL || db->data_res == NULL) { > + printk(KERN_ERR PFX "insufficient resources\n"); > + ret = -ENOENT; > + goto out; > + } > + > + i = res_size(db->addr_res); > + db->addr_req = request_mem_region(db->addr_res->start, i, > + pdev->name); > + > + if (db->addr_req == NULL) { > + printk(KERN_ERR PFX "cannot claim address reg area\n"); > + ret = -EIO; > + goto out; > + } > + > + db->io_addr = ioremap(db->addr_res->start, i); > + > + if (db->io_addr == NULL) { > + printk(KERN_ERR "failed to ioremap address reg\n"); > + ret = -EINVAL; > + goto out; > + } > + > + iosize = res_size(db->data_res); > + db->data_req = request_mem_region(db->data_res->start, iosize, > + pdev->name); > + > + if (db->data_req == NULL) { > + printk(KERN_ERR PFX "cannot claim data reg area\n"); > + ret = -EIO; > + goto out; > + } > + > + db->io_data = ioremap(db->data_res->start, iosize); > + > + if (db->io_data == NULL) { > + printk(KERN_ERR "failed to ioremap data reg\n"); > + ret = -EINVAL; > + goto out; > + } > + > + /* fill in parameters for net-dev structure */ > + > + ndev->base_addr = (unsigned long)db->io_addr; > + ndev->irq = db->irq_res->start; > + > + /* ensure at least we have a default set of IO routines */ > + dm9000_set_io(db, iosize); > + > + } > + > + /* check to see if anything is being over-ridden */ > + if (pdata != NULL) { > + /* check to see if the driver wants to over-ride the > + * default IO width */ > + > + if (pdata->flags & DM9000_PLATF_8BITONLY) > + dm9000_set_io(db, 1); > + > + if (pdata->flags & DM9000_PLATF_16BITONLY) > + dm9000_set_io(db, 2); > + > + if (pdata->flags & DM9000_PLATF_32BITONLY) > + dm9000_set_io(db, 4); > + > + /* check to see if there are any IO routine > + * over-rides */ > + > + if (pdata->inblk != NULL) > + db->inblk = pdata->inblk; > + > + if (pdata->outblk != NULL) > + db->outblk = pdata->outblk; > + > + if (pdata->dumpblk != NULL) > + db->dumpblk = pdata->dumpblk; > + } > + > + dm9000_reset(db); > + > + /* try two times, DM9000 sometimes gets the first read wrong */ > + for (i = 0; i < 2; i++) { > + id_val = ior(db, DM9000_VIDL); > + id_val |= (u32)ior(db, DM9000_VIDH) << 8; > + id_val |= (u32)ior(db, DM9000_PIDL) << 16; > + id_val |= (u32)ior(db, DM9000_PIDH) << 24; > + > + if (id_val == DM9000_ID) > + break; > + printk("%s: read wrong id 0x%08x\n", CARDNAME, id_val); > + } > + > + if (id_val != DM9000_ID) { > + printk("%s: wrong id: 0x%08x\n", CARDNAME, id_val); > + goto release; > + } > + > + /* from this point we assume that we have found a DM9000 */ > + > + /* driver system function */ > + ether_setup(ndev); > + > + ndev->open = &dm9000_open; > + ndev->hard_start_xmit = &dm9000_start_xmit; > + ndev->tx_timeout = &dm9000_timeout; > + ndev->watchdog_timeo = msecs_to_jiffies(watchdog); > + ndev->stop = &dm9000_stop; > + ndev->get_stats = &dm9000_get_stats; > + ndev->set_multicast_list = &dm9000_hash_table; > + ndev->do_ioctl = &dm9000_do_ioctl; > + > +#ifdef DM9000_PROGRAM_EEPROM > + program_eeprom(db); > +#endif > + db->msg_enable = NETIF_MSG_LINK; > + db->mii.phy_id_mask = 0x1f; > + db->mii.reg_num_mask = 0x1f; > + db->mii.force_media = 0; > + db->mii.full_duplex = 0; > + db->mii.dev = ndev; > + db->mii.mdio_read = dm9000_phy_read; > + db->mii.mdio_write = dm9000_phy_write; > + > + /* Read SROM content */ > + for (i = 0; i < 64; i++) > + ((u16 *) db->srom)[i] = read_srom_word(db, i); > + > + /* Set Node Address */ > + for (i = 0; i < 6; i++) > + ndev->dev_addr[i] = db->srom[i]; > + > + if (!is_valid_ether_addr(ndev->dev_addr)) > + printk("%s: Invalid ethernet MAC address. Please " > + "set using ifconfig\n", ndev->name); > + > + dev_set_drvdata(dev, ndev); > + ret = register_netdev(ndev); > + > + if (ret == 0) { > + printk("%s: dm9000 at %p,%p IRQ %d MAC: ", > + ndev->name, db->io_addr, db->io_data, ndev->irq); > + for (i = 0; i < 5; i++) > + printk("%02x:", ndev->dev_addr[i]); > + printk("%02x\n", ndev->dev_addr[5]); > + } > + return 0; > + > + release: > + out: > + printk("%s: not found (%d).\n", CARDNAME, ret); > + > + dm9000_release_board(pdev, db); > + kfree(ndev); > + > + return ret; > +} > + > +/* > + * Open the interface. > + * The interface is opened whenever "ifconfig" actives it. > + */ > +static int > +dm9000_open(struct net_device *dev) > +{ > + board_info_t *db = (board_info_t *) dev->priv; > + > + PRINTK2("entering dm9000_open\n"); > + > + if (request_irq(dev->irq, &dm9000_interrupt, SA_SHIRQ, dev->name, dev)) > + return -EAGAIN; > + > + /* Initialize DM9000 board */ > + dm9000_reset(db); > + dm9000_init_dm9000(dev); > + > + /* Init driver variable */ > + db->dbug_cnt = 0; > + > + /* set and active a timer process */ > + init_timer(&db->timer); > + db->timer.expires = DM9000_TIMER_WUT * 2; > + db->timer.data = (unsigned long) dev; > + db->timer.function = &dm9000_timer; > + add_timer(&db->timer); > + > + mii_check_media(&db->mii, netif_msg_link(db), 1); > + netif_start_queue(dev); > + > + return 0; > +} > + > +/* > + * Initilize dm9000 board > + */ > +static void > +dm9000_init_dm9000(struct net_device *dev) > +{ > + board_info_t *db = (board_info_t *) dev->priv; > + > + PRINTK1("entering %s\n",__FUNCTION__); > + > + /* I/O mode */ > + db->io_mode = ior(db, DM9000_ISR) >> 6; /* ISR bit7:6 keeps I/O mode */ > + > + /* GPIO0 on pre-activate PHY */ > + iow(db, DM9000_GPR, 0); /* REG_1F bit0 activate phyxcer */ > + iow(db, DM9000_GPCR, GPCR_GEP_CNTL); /* Let GPIO0 output */ > + iow(db, DM9000_GPR, 0); /* Enable PHY */ > + > + /* Program operating register */ > + iow(db, DM9000_TCR, 0); /* TX Polling clear */ > + iow(db, DM9000_BPTR, 0x3f); /* Less 3Kb, 200us */ > + iow(db, DM9000_FCR, 0xff); /* Flow Control */ > + iow(db, DM9000_SMCR, 0); /* Special Mode */ > + /* clear TX status */ > + iow(db, DM9000_NSR, NSR_WAKEST | NSR_TX2END | NSR_TX1END); > + iow(db, DM9000_ISR, ISR_CLR_STATUS); /* Clear interrupt status */ > + > + /* Set address filter table */ > + dm9000_hash_table(dev); > + > + /* Activate DM9000 */ > + iow(db, DM9000_RCR, RCR_DIS_LONG | RCR_DIS_CRC | RCR_RXEN); > + /* Enable TX/RX interrupt mask */ > + iow(db, DM9000_IMR, IMR_PAR | IMR_PTM | IMR_PRM); > + > + /* Init Driver variable */ > + db->tx_pkt_cnt = 0; > + db->queue_pkt_len = 0; > + dev->trans_start = 0; > + spin_lock_init(&db->lock); > +} > + > +/* > + * Hardware start transmission. > + * Send a packet to media from the upper layer. > + */ > +static int > +dm9000_start_xmit(struct sk_buff *skb, struct net_device *dev) > +{ > + board_info_t *db = (board_info_t *) dev->priv; > + > + PRINTK3("dm9000_start_xmit\n"); > + > + if (db->tx_pkt_cnt > 1) > + return 1; > + > + netif_stop_queue(dev); > + > + /* Disable all interrupts */ > + iow(db, DM9000_IMR, IMR_PAR); > + > + /* Move data to DM9000 TX RAM */ > + writeb(DM9000_MWCMD, db->io_addr); > + > + (db->outblk)(db->io_data, skb->data, skb->len); > + db->stats.tx_bytes += skb->len; > + > + /* TX control: First packet immediately send, second packet queue */ > + if (db->tx_pkt_cnt == 0) { > + > + /* First Packet */ > + db->tx_pkt_cnt++; > + > + /* Set TX length to DM9000 */ > + iow(db, DM9000_TXPLL, skb->len & 0xff); > + iow(db, DM9000_TXPLH, (skb->len >> 8) & 0xff); > + > + /* Issue TX polling command */ > + iow(db, DM9000_TCR, TCR_TXREQ); /* Cleared after TX complete */ > + > + dev->trans_start = jiffies; /* save the time stamp */ > + > + } else { > + /* Second packet */ > + db->tx_pkt_cnt++; > + db->queue_pkt_len = skb->len; > + } > + > + /* free this SKB */ > + dev_kfree_skb(skb); > + > + /* Re-enable resource check */ > + if (db->tx_pkt_cnt == 1) > + netif_wake_queue(dev); > + > + /* Re-enable interrupt */ > + iow(db, DM9000_IMR, IMR_PAR | IMR_PTM | IMR_PRM); > + > + return 0; > +} > + > +static void > +dm9000_shutdown(struct net_device *dev) > +{ > + board_info_t *db = (board_info_t *) dev->priv; > + > + /* RESET device */ > + dm9000_phy_write(dev, 0, MII_BMCR, BMCR_RESET); /* PHY RESET */ > + iow(db, DM9000_GPR, 0x01); /* Power-Down PHY */ > + iow(db, DM9000_IMR, IMR_PAR); /* Disable all interrupt */ > + iow(db, DM9000_RCR, 0x00); /* Disable RX */ > +} > + > +/* > + * Stop the interface. > + * The interface is stopped when it is brought. > + */ > +static int > +dm9000_stop(struct net_device *ndev) > +{ > + board_info_t *db = (board_info_t *) ndev->priv; > + > + PRINTK1("entering %s\n",__FUNCTION__); > + > + /* deleted timer */ > + del_timer(&db->timer); > + > + netif_stop_queue(ndev); > + netif_carrier_off(ndev); > + > + /* free interrupt */ > + free_irq(ndev->irq, ndev); > + > + dm9000_shutdown(ndev); > + > + return 0; > +} > + > +/* > + * DM9000 interrupt handler > + * receive the packet to upper layer, free the transmitted packet > + */ > + > +void > +dm9000_tx_done(struct net_device *dev, board_info_t * db) > +{ > + int tx_status = ior(db, DM9000_NSR); /* Got TX status */ > + > + if (tx_status & (NSR_TX2END | NSR_TX1END)) { > + /* One packet sent complete */ > + db->tx_pkt_cnt--; > + db->stats.tx_packets++; > + > + /* Queue packet check & send */ > + if (db->tx_pkt_cnt > 0) { > + iow(db, DM9000_TXPLL, db->queue_pkt_len & 0xff); > + iow(db, DM9000_TXPLH, (db->queue_pkt_len >> 8) & 0xff); > + iow(db, DM9000_TCR, TCR_TXREQ); > + dev->trans_start = jiffies; > + } > + netif_wake_queue(dev); > + } > +} > + > +static irqreturn_t > +dm9000_interrupt(int irq, void *dev_id, struct pt_regs *regs) > +{ > + struct net_device *dev = dev_id; > + board_info_t *db; > + int int_status; > + u8 reg_save; > + > + PRINTK3("entering %s\n",__FUNCTION__); > + > + if (!dev) { > + PRINTK1("dm9000_interrupt() without DEVICE arg\n"); > + return IRQ_HANDLED; > + } > + > + /* A real interrupt coming */ > + db = (board_info_t *) dev->priv; > + spin_lock(&db->lock); > + > + /* Save previous register address */ > + reg_save = readb(db->io_addr); > + > + /* Disable all interrupts */ > + iow(db, DM9000_IMR, IMR_PAR); > + > + /* Got DM9000 interrupt status */ > + int_status = ior(db, DM9000_ISR); /* Got ISR */ > + iow(db, DM9000_ISR, int_status); /* Clear ISR status */ > + > + /* Received the coming packet */ > + if (int_status & ISR_PRS) > + dm9000_rx(dev); > + > + /* Trnasmit Interrupt check */ > + if (int_status & ISR_PTS) > + dm9000_tx_done(dev, db); > + > + /* Re-enable interrupt mask */ > + iow(db, DM9000_IMR, IMR_PAR | IMR_PTM | IMR_PRM); > + > + /* Restore previous register address */ > + writeb(reg_save, db->io_addr); > + > + spin_unlock(&db->lock); > + > + return IRQ_HANDLED; > +} > + > +/* > + * Get statistics from driver. > + */ > +static struct net_device_stats * > +dm9000_get_stats(struct net_device *dev) > +{ > + board_info_t *db = (board_info_t *) dev->priv; > + return &db->stats; > +} > + > +/* > + * Process the upper socket ioctl command > + */ > +static int > +dm9000_do_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd) > +{ > + PRINTK1("entering %s\n",__FUNCTION__); > + return 0; > +} > + > +/* > + * A periodic timer routine > + * Dynamic media sense, allocated Rx buffer... > + */ > +static void > +dm9000_timer(unsigned long data) > +{ > + struct net_device *dev = (struct net_device *) data; > + board_info_t *db = (board_info_t *) dev->priv; > + u8 reg_save; > + unsigned long flags; > + > + PRINTK3("dm9000_timer()\n"); > + > + spin_lock_irqsave(db->lock,flags); > + /* Save previous register address */ > + reg_save = readb(db->io_addr); > + > + mii_check_media(&db->mii, netif_msg_link(db), 0); > + > + /* Restore previous register address */ > + writeb(reg_save, db->io_addr); > + spin_unlock_irqrestore(db->lock,flags); > + > + /* Set timer again */ > + db->timer.expires = DM9000_TIMER_WUT; > + add_timer(&db->timer); > +} > + > +struct dm9000_rxhdr { > + u16 RxStatus; > + u16 RxLen; > +} __attribute__((__packed__)); > + > +/* > + * Received a packet and pass to upper layer > + */ > +static void > +dm9000_rx(struct net_device *dev) > +{ > + board_info_t *db = (board_info_t *) dev->priv; > + struct dm9000_rxhdr rxhdr; > + struct sk_buff *skb; > + u8 rxbyte, *rdptr; > + int GoodPacket; > + int RxLen; > + > + /* Check packet ready or not */ > + do { > + ior(db, DM9000_MRCMDX); /* Dummy read */ > + > + /* Get most updated data */ > + rxbyte = readb(db->io_data); > + > + /* Status check: this byte must be 0 or 1 */ > + if (rxbyte > DM9000_PKT_RDY) { > + printk("status check failed: %d\n", rxbyte); > + iow(db, DM9000_RCR, 0x00); /* Stop Device */ > + iow(db, DM9000_ISR, IMR_PAR); /* Stop INT request */ > + return; > + } > + > + if (rxbyte != DM9000_PKT_RDY) > + return; > + > + /* A packet ready now & Get status/length */ > + GoodPacket = TRUE; > + writeb(DM9000_MRCMD, db->io_addr); > + > + (db->inblk)(db->io_data, &rxhdr, sizeof(rxhdr)); > + > + RxLen = rxhdr.RxLen; > + > + /* Packet Status check */ > + if (RxLen < 0x40) { > + GoodPacket = FALSE; > + PRINTK1("Bad Packet received (runt)\n"); > + } > + > + if (RxLen > DM9000_PKT_MAX) { > + PRINTK1("RST: RX Len:%x\n", RxLen); > + } > + > + if (rxhdr.RxStatus & 0xbf00) { > + GoodPacket = FALSE; > + if (rxhdr.RxStatus & 0x100) { > + PRINTK1("fifo error\n"); > + db->stats.rx_fifo_errors++; > + } > + if (rxhdr.RxStatus & 0x200) { > + PRINTK1("crc error\n"); > + db->stats.rx_crc_errors++; > + } > + if (rxhdr.RxStatus & 0x8000) { > + PRINTK1("length error\n"); > + db->stats.rx_length_errors++; > + } > + } > + > + /* Move data from DM9000 */ > + if (GoodPacket > + && ((skb = dev_alloc_skb(RxLen + 4)) != NULL)) { > + skb->dev = dev; > + skb_reserve(skb, 2); > + rdptr = (u8 *) skb_put(skb, RxLen - 4); > + > + /* Read received packet from RX SRAM */ > + > + (db->inblk)(db->io_data, rdptr, RxLen); > + db->stats.rx_bytes += RxLen; > + > + /* Pass to upper layer */ > + skb->protocol = eth_type_trans(skb, dev); > + netif_rx(skb); > + db->stats.rx_packets++; > + > + } else { > + /* need to dump the packet's data */ > + > + (db->dumpblk)(db->io_data, RxLen); > + } > + } while (rxbyte == DM9000_PKT_RDY); > +} > + > +/* > + * Read a word data from SROM > + */ > +static u16 > +read_srom_word(board_info_t * db, int offset) > +{ > + iow(db, DM9000_EPAR, offset); > + iow(db, DM9000_EPCR, EPCR_ERPRR); > + mdelay(8); /* according to the datasheet 200us should be enough, > + but it doesn't work */ > + iow(db, DM9000_EPCR, 0x0); > + return (ior(db, DM9000_EPDRL) + (ior(db, DM9000_EPDRH) << 8)); > +} > + > +#ifdef DM9000_PROGRAM_EEPROM > +/* > + * Write a word data to SROM > + */ > +static void > +write_srom_word(board_info_t * db, int offset, u16 val) > +{ > + iow(db, DM9000_EPAR, offset); > + iow(db, DM9000_EPDRH, ((val >> 8) & 0xff)); > + iow(db, DM9000_EPDRL, (val & 0xff)); > + iow(db, DM9000_EPCR, EPCR_WEP | EPCR_ERPRW); > + mdelay(8); /* same shit */ > + iow(db, DM9000_EPCR, 0); > +} > + > +/* > + * Only for development: > + * Here we write static data to the eeprom in case > + * we don't have valid content on a new board > + */ > +static void > +program_eeprom(board_info_t * db) > +{ > + u16 eeprom[] = { 0x0c00, 0x007f, 0x1300, /* MAC Address */ > + 0x0000, /* Autoload: accept nothing */ > + 0x0a46, 0x9000, /* Vendor / Product ID */ > + 0x0000, /* pin control */ > + 0x0000, > + }; /* Wake-up mode control */ > + int i; > + for (i = 0; i < 8; i++) > + write_srom_word(db, i, eeprom[i]); > +} > +#endif > + > + > +/* > + * Calculate the CRC valude of the Rx packet > + * flag = 1 : return the reverse CRC (for the received packet CRC) > + * 0 : return the normal CRC (for Hash Table index) > + */ > + > +static unsigned long > +cal_CRC(unsigned char *Data, unsigned int Len, u8 flag) > +{ > + > + u32 crc = ether_crc_le(Len, Data); > + > + if (flag) > + return ~crc; > + > + return crc; > +} > + > +/* > + * Set DM9000 multicast address > + */ > +static void > +dm9000_hash_table(struct net_device *dev) > +{ > + board_info_t *db = (board_info_t *) dev->priv; > + struct dev_mc_list *mcptr = dev->mc_list; > + int mc_cnt = dev->mc_count; > + u32 hash_val; > + u16 i, oft, hash_table[4]; > + unsigned long flags; > + > + PRINTK2("dm9000_hash_table()\n"); > + > + spin_lock_irqsave(&db->lock,flags); > + > + for (i = 0, oft = 0x10; i < 6; i++, oft++) > + iow(db, oft, dev->dev_addr[i]); > + > + /* Clear Hash Table */ > + for (i = 0; i < 4; i++) > + hash_table[i] = 0x0; > + > + /* broadcast address */ > + hash_table[3] = 0x8000; > + > + /* the multicast address in Hash Table : 64 bits */ > + for (i = 0; i < mc_cnt; i++, mcptr = mcptr->next) { > + hash_val = cal_CRC((char *) mcptr->dmi_addr, 6, 0) & 0x3f; > + hash_table[hash_val / 16] |= (u16) 1 << (hash_val % 16); > + } > + > + /* Write the hash table to MAC MD table */ > + for (i = 0, oft = 0x16; i < 4; i++) { > + iow(db, oft++, hash_table[i] & 0xff); > + iow(db, oft++, (hash_table[i] >> 8) & 0xff); > + } > + > + spin_unlock_irqrestore(&db->lock,flags); > +} > + > + > +/* > + * Read a word from phyxcer > + */ > +static int > +dm9000_phy_read(struct net_device *dev, int phy_reg_unused, int reg) > +{ > + board_info_t *db = (board_info_t *) dev->priv; > + unsigned long flags; > + int ret; > + > + spin_lock_irqsave(&db->lock,flags); > + /* Fill the phyxcer register into REG_0C */ > + iow(db, DM9000_EPAR, DM9000_PHY | reg); > + > + iow(db, DM9000_EPCR, 0xc); /* Issue phyxcer read command */ > + udelay(100); /* Wait read complete */ > + iow(db, DM9000_EPCR, 0x0); /* Clear phyxcer read command */ > + > + /* The read data keeps on REG_0D & REG_0E */ > + ret = (ior(db, DM9000_EPDRH) << 8) | ior(db, DM9000_EPDRL); > + > + spin_unlock_irqrestore(&db->lock,flags); > + > + return ret; > +} > + > +/* > + * Write a word to phyxcer > + */ > +static void > +dm9000_phy_write(struct net_device *dev, int phyaddr_unused, int reg, int value) > +{ > + board_info_t *db = (board_info_t *) dev->priv; > + unsigned long flags; > + > + spin_lock_irqsave(&db->lock,flags); > + > + /* Fill the phyxcer register into REG_0C */ > + iow(db, DM9000_EPAR, DM9000_PHY | reg); > + > + /* Fill the written data into REG_0D & REG_0E */ > + iow(db, DM9000_EPDRL, (value & 0xff)); > + iow(db, DM9000_EPDRH, ((value >> 8) & 0xff)); > + > + iow(db, DM9000_EPCR, 0xa); /* Issue phyxcer write command */ > + udelay(500); /* Wait write complete */ > + iow(db, DM9000_EPCR, 0x0); /* Clear phyxcer write command */ > + > + spin_unlock_irqrestore(&db->lock,flags); > +} > + > +static int > +dm9000_drv_suspend(struct device *dev, u32 state, u32 level) > +{ > + struct net_device *ndev = dev_get_drvdata(dev); > + > + if (ndev && level == SUSPEND_DISABLE) { > + if (netif_running(ndev)) { > + netif_device_detach(ndev); > + dm9000_shutdown(ndev); > + } > + } > + return 0; > +} > + > +static int > +dm9000_drv_resume(struct device *dev, u32 level) > +{ > + struct net_device *ndev = dev_get_drvdata(dev); > + board_info_t *db = (board_info_t *) ndev->priv; > + > + if (ndev && level == RESUME_ENABLE) { > + > + if (netif_running(ndev)) { > + dm9000_reset(db); > + dm9000_init_dm9000(ndev); > + > + netif_device_attach(ndev); > + } > + } > + return 0; > +} > + > +static int > +dm9000_drv_remove(struct device *dev) > +{ > + struct platform_device *pdev = to_platform_device(dev); > + struct net_device *ndev = dev_get_drvdata(dev); > + > + dev_set_drvdata(dev, NULL); > + > + unregister_netdev(ndev); > + dm9000_release_board(pdev, (board_info_t *) ndev->priv); > + kfree(ndev); /* free device structure */ > + > + PRINTK1("clean_module() exit\n"); > + > + return 0; > +} > + > +static struct device_driver dm9000_driver = { > + .name = "dm9000", > + .bus = &platform_bus_type, > + .probe = dm9000_probe, > + .remove = dm9000_drv_remove, > + .suspend = dm9000_drv_suspend, > + .resume = dm9000_drv_resume, > +}; > + > +static int __init > +dm9000_init(void) > +{ > + return driver_register(&dm9000_driver); /* search board and register */ > +} > + > +static void __exit > +dm9000_cleanup(void) > +{ > + driver_unregister(&dm9000_driver); > +} > + > +module_init(dm9000_init); > +module_exit(dm9000_cleanup); > + > +MODULE_AUTHOR("Sascha Hauer, Ben Dooks"); > +MODULE_DESCRIPTION("Davicom DM9000 network driver"); > +MODULE_LICENSE("GPL"); > diff -urN linux-2.6.11/drivers/net/dm9000.h linux-2.6.11-work/drivers/net/dm9000.h > --- linux-2.6.11/drivers/net/dm9000.h 1970-01-01 01:00:00.000000000 +0100 > +++ linux-2.6.11-work/drivers/net/dm9000.h 2005-03-17 15:59:43.000000000 +0100 > @@ -0,0 +1,135 @@ > +/* > + * dm9000 Ethernet > + */ > + > +#ifndef _DM9000X_H_ > +#define _DM9000X_H_ > + > +#define DM9000_ID 0x90000A46 > + > +/* although the registers are 16 bit, they are 32-bit aligned. > + */ > + > +#define DM9000_NCR 0x00 > +#define DM9000_NSR 0x01 > +#define DM9000_TCR 0x02 > +#define DM9000_TSR1 0x03 > +#define DM9000_TSR2 0x04 > +#define DM9000_RCR 0x05 > +#define DM9000_RSR 0x06 > +#define DM9000_ROCR 0x07 > +#define DM9000_BPTR 0x08 > +#define DM9000_FCTR 0x09 > +#define DM9000_FCR 0x0A > +#define DM9000_EPCR 0x0B > +#define DM9000_EPAR 0x0C > +#define DM9000_EPDRL 0x0D > +#define DM9000_EPDRH 0x0E > +#define DM9000_WCR 0x0F > + > +#define DM9000_PAR 0x10 > +#define DM9000_MAR 0x16 > + > +#define DM9000_GPCR 0x1e > +#define DM9000_GPR 0x1f > +#define DM9000_TRPAL 0x22 > +#define DM9000_TRPAH 0x23 > +#define DM9000_RWPAL 0x24 > +#define DM9000_RWPAH 0x25 > + > +#define DM9000_VIDL 0x28 > +#define DM9000_VIDH 0x29 > +#define DM9000_PIDL 0x2A > +#define DM9000_PIDH 0x2B > + > +#define DM9000_CHIPR 0x2C > +#define DM9000_SMCR 0x2F > + > +#define DM9000_MRCMDX 0xF0 > +#define DM9000_MRCMD 0xF2 > +#define DM9000_MRRL 0xF4 > +#define DM9000_MRRH 0xF5 > +#define DM9000_MWCMDX 0xF6 > +#define DM9000_MWCMD 0xF8 > +#define DM9000_MWRL 0xFA > +#define DM9000_MWRH 0xFB > +#define DM9000_TXPLL 0xFC > +#define DM9000_TXPLH 0xFD > +#define DM9000_ISR 0xFE > +#define DM9000_IMR 0xFF > + > +#define NCR_EXT_PHY (1<<7) > +#define NCR_WAKEEN (1<<6) > +#define NCR_FCOL (1<<4) > +#define NCR_FDX (1<<3) > +#define NCR_LBK (3<<1) > +#define NCR_RST (1<<0) > + > +#define NSR_SPEED (1<<7) > +#define NSR_LINKST (1<<6) > +#define NSR_WAKEST (1<<5) > +#define NSR_TX2END (1<<3) > +#define NSR_TX1END (1<<2) > +#define NSR_RXOV (1<<1) > + > +#define TCR_TJDIS (1<<6) > +#define TCR_EXCECM (1<<5) > +#define TCR_PAD_DIS2 (1<<4) > +#define TCR_CRC_DIS2 (1<<3) > +#define TCR_PAD_DIS1 (1<<2) > +#define TCR_CRC_DIS1 (1<<1) > +#define TCR_TXREQ (1<<0) > + > +#define TSR_TJTO (1<<7) > +#define TSR_LC (1<<6) > +#define TSR_NC (1<<5) > +#define TSR_LCOL (1<<4) > +#define TSR_COL (1<<3) > +#define TSR_EC (1<<2) > + > +#define RCR_WTDIS (1<<6) > +#define RCR_DIS_LONG (1<<5) > +#define RCR_DIS_CRC (1<<4) > +#define RCR_ALL (1<<3) > +#define RCR_RUNT (1<<2) > +#define RCR_PRMSC (1<<1) > +#define RCR_RXEN (1<<0) > + > +#define RSR_RF (1<<7) > +#define RSR_MF (1<<6) > +#define RSR_LCS (1<<5) > +#define RSR_RWTO (1<<4) > +#define RSR_PLE (1<<3) > +#define RSR_AE (1<<2) > +#define RSR_CE (1<<1) > +#define RSR_FOE (1<<0) > + > +#define FCTR_HWOT(ot) (( ot & 0xf ) << 4 ) > +#define FCTR_LWOT(ot) ( ot & 0xf ) > + > +#define IMR_PAR (1<<7) > +#define IMR_ROOM (1<<3) > +#define IMR_ROM (1<<2) > +#define IMR_PTM (1<<1) > +#define IMR_PRM (1<<0) > + > +#define ISR_ROOS (1<<3) > +#define ISR_ROS (1<<2) > +#define ISR_PTS (1<<1) > +#define ISR_PRS (1<<0) > +#define ISR_CLR_STATUS (ISR_ROOS | ISR_ROS | ISR_PTS | ISR_PRS) > + > +#define EPCR_REEP (1<<5) > +#define EPCR_WEP (1<<4) > +#define EPCR_EPOS (1<<3) > +#define EPCR_ERPRR (1<<2) > +#define EPCR_ERPRW (1<<1) > +#define EPCR_ERRE (1<<0) > + > +#define GPCR_GEP_CNTL (1<<0) > + > +#define DM9000_PKT_RDY 0x01 /* Packet ready to receive */ > +#define DM9000_PKT_MAX 1536 /* Received packet max size */ > + > +#endif /* _DM9000X_H_ */ > + > diff -urN linux-2.6.11/include/linux/dm9000.h linux-2.6.11-work/include/linux/dm9000.h > --- linux-2.6.11/include/linux/dm9000.h 1970-01-01 01:00:00.000000000 +0100 > +++ linux-2.6.11-work/include/linux/dm9000.h 2005-03-17 12:34:36.000000000 +0100 > @@ -0,0 +1,36 @@ > +/* include/linux/dm9000.h > + * > + * Copyright (c) 2004 Simtec Electronics > + * Ben Dooks > + * > + * Header file for dm9000 platform data > + * > + * This program is free software; you can redistribute it and/or modify > + * it under the terms of the GNU General Public License version 2 as > + * published by the Free Software Foundation. > + * > +*/ > + > +#ifndef __DM9000_PLATFORM_DATA > +#define __DM9000_PLATFORM_DATA __FILE__ > + > +/* IO control flags */ > + > +#define DM9000_PLATF_8BITONLY (0x0001) > +#define DM9000_PLATF_16BITONLY (0x0002) > +#define DM9000_PLATF_32BITONLY (0x0004) > + > +/* platfrom data for platfrom device structure's platfrom_data field */ > + > +struct dm9000_plat_data { > + unsigned int flags; > + > + /* allow replacement IO routines */ > + > + void (*inblk)(void __iomem *reg, void *data, int len); > + void (*outblk)(void __iomem *reg, void *data, int len); > + void (*dumpblk)(void __iomem *reg, int len); > +}; > + > +#endif /* __DM9000_PLATFORM_DATA */ > + > > - > To unsubscribe from this list: send the line "unsubscribe linux-kernel" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html > Please read the FAQ at http://www.tux.org/lkml/ > - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/