From patchwork Fri Nov 7 11:30:16 2008 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Kay Sievers X-Patchwork-Id: 7693 X-Patchwork-Delegate: davem@davemloft.net Return-Path: X-Original-To: patchwork-incoming@ozlabs.org Delivered-To: patchwork-incoming@ozlabs.org Received: from vger.kernel.org (vger.kernel.org [209.132.176.167]) by ozlabs.org (Postfix) with ESMTP id A7C1EDDE21 for ; Fri, 7 Nov 2008 22:30:27 +1100 (EST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752308AbYKGLaX (ORCPT ); Fri, 7 Nov 2008 06:30:23 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752204AbYKGLaV (ORCPT ); Fri, 7 Nov 2008 06:30:21 -0500 Received: from fk-out-0910.google.com ([209.85.128.189]:58822 "EHLO fk-out-0910.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752044AbYKGLaS (ORCPT ); Fri, 7 Nov 2008 06:30:18 -0500 Received: by fk-out-0910.google.com with SMTP id 18so1340630fkq.5 for ; Fri, 07 Nov 2008 03:30:15 -0800 (PST) Received: by 10.180.221.13 with SMTP id t13mr1015160bkg.55.1226057414776; Fri, 07 Nov 2008 03:30:14 -0800 (PST) Received: from ?192.168.178.33? (e179195141.adsl.alicedsl.de [85.179.195.141]) by mx.google.com with ESMTPS id 13sm4134532fks.6.2008.11.07.03.30.13 (version=TLSv1/SSLv3 cipher=RC4-MD5); Fri, 07 Nov 2008 03:30:13 -0800 (PST) Subject: Re: net: struct device - replace bus_id with dev_name(), dev_set_name() From: Kay Sievers To: "David S. Miller" Cc: Greg KH , linux-kernel , netdev In-Reply-To: <1225329299.5970.67.camel@nga.site> References: <1225329299.5970.67.camel@nga.site> Date: Fri, 07 Nov 2008 12:30:16 +0100 Message-Id: <1226057416.4100.18.camel@nga> Mime-Version: 1.0 X-Mailer: Evolution 2.24.1 Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org On Thu, 2008-10-30 at 02:15 +0100, Kay Sievers wrote: > This patch is part of a larger patch series which will remove > the "char bus_id[20]" name string from struct device. The device > name is managed in the kobject anyway, and without any size > limitation, and just needlessly copied into "struct device". > > To set and read the device name dev_name(dev) and dev_set_name(dev) > must be used. If your code uses static kobjects, which it shouldn't > do, "const char *init_name" can be used to statically provide the > name the registered device should have. At registration time, the > init_name field is cleared, to enforce the use of dev_name(dev) to > access the device name at a later time. > > We need to get rid of all occurrences of bus_id in the entire tree > to be able to enable the new interface. Please apply this patch, > and possibly convert any remaining remaining occurrences of bus_id. > > We want to submit a patch to -next, which will remove bus_id from > "struct device", to find the remaining pieces to convert, and finally > switch over to the new api, which will remove the 20 bytes array > and does no longer have a size limitation. Updated patch, which does not replace BUS_ID_SIZE for now. (BUS_ID_SIZE will go away from the driver core after the API switch, and it has to be replaced by a local definition in the network tree, or the limit can be removed entirely.) Thanks, Kay From: Kay Sievers Subject: net: struct device - replace bus_id with dev_name(), dev_set_name() CC: David S. Miller Acked-by: Marcel Holtmann Acked-by: Greg Kroah-Hartman Signed-off-by: Kay Sievers --- drivers/net/3c59x.c | 4 ++-- drivers/net/defxx.c | 2 +- drivers/net/enc28j60.c | 2 +- drivers/net/fec_mpc52xx.c | 2 +- drivers/net/gianfar.c | 2 +- drivers/net/mlx4/mlx4_en.h | 8 ++++---- drivers/net/pasemi_mac.c | 3 ++- drivers/net/phy/mdio_bus.c | 4 ++-- drivers/net/phy/phy.c | 2 +- drivers/net/phy/phy_device.c | 4 ++-- drivers/net/sh_eth.c | 2 +- drivers/net/tg3.c | 4 ++-- drivers/net/tulip/de4x5.c | 4 ++-- drivers/net/ucc_geth.c | 4 ++-- drivers/net/wireless/libertas/defs.h | 2 +- drivers/net/wireless/orinoco.c | 2 +- drivers/net/wireless/orinoco_cs.c | 2 +- drivers/net/wireless/spectrum_cs.c | 2 +- include/net/wireless.h | 4 ++-- net/atm/atm_sysfs.c | 2 +- net/bluetooth/hci_sysfs.c | 7 +++---- net/core/net-sysfs.c | 2 +- net/dsa/slave.c | 2 +- net/rfkill/rfkill.c | 5 ++--- net/wireless/core.c | 3 +-- 25 files changed, 39 insertions(+), 41 deletions(-) -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html --- a/drivers/net/3c59x.c +++ b/drivers/net/3c59x.c @@ -1025,7 +1025,7 @@ static int __devinit vortex_probe1(struc } if ((edev = DEVICE_EISA(gendev))) { - print_name = edev->dev.bus_id; + print_name = dev_name(&edev->dev); } } @@ -2883,7 +2883,7 @@ static void vortex_get_drvinfo(struct ne strcpy(info->bus_info, pci_name(VORTEX_PCI(vp))); } else { if (VORTEX_EISA(vp)) - sprintf(info->bus_info, vp->gendev->bus_id); + sprintf(info->bus_info, dev_name(vp->gendev)); else sprintf(info->bus_info, "EISA 0x%lx %d", dev->base_addr, dev->irq); --- a/drivers/net/defxx.c +++ b/drivers/net/defxx.c @@ -511,7 +511,7 @@ static int __devinit dfx_register(struct int dfx_bus_pci = DFX_BUS_PCI(bdev); int dfx_bus_tc = DFX_BUS_TC(bdev); int dfx_use_mmio = DFX_MMIO || dfx_bus_tc; - char *print_name = bdev->bus_id; + const char *print_name = dev_name(bdev); struct net_device *dev; DFX_board_t *bp; /* board pointer */ resource_size_t bar_start = 0; /* pointer to port */ --- a/drivers/net/enc28j60.c +++ b/drivers/net/enc28j60.c @@ -1448,7 +1448,7 @@ enc28j60_get_drvinfo(struct net_device * strlcpy(info->driver, DRV_NAME, sizeof(info->driver)); strlcpy(info->version, DRV_VERSION, sizeof(info->version)); strlcpy(info->bus_info, - dev->dev.parent->bus_id, sizeof(info->bus_info)); + dev_name(dev->dev.parent), sizeof(info->bus_info)); } static int --- a/drivers/net/fec_mpc52xx.c +++ b/drivers/net/fec_mpc52xx.c @@ -216,7 +216,7 @@ static int mpc52xx_fec_init_phy(struct n struct phy_device *phydev; char phy_id[BUS_ID_SIZE]; - snprintf(phy_id, BUS_ID_SIZE, "%x:%02x", + snprintf(phy_id, sizeof(phy_id), "%x:%02x", (unsigned int)dev->base_addr, priv->phy_addr); priv->link = PHY_DOWN; --- a/drivers/net/gianfar.c +++ b/drivers/net/gianfar.c @@ -546,7 +546,7 @@ static int init_phy(struct net_device *d priv->oldspeed = 0; priv->oldduplex = -1; - snprintf(phy_id, BUS_ID_SIZE, PHY_ID_FMT, priv->einfo->bus_id, priv->einfo->phy_id); + snprintf(phy_id, sizeof(phy_id), PHY_ID_FMT, priv->einfo->bus_id, priv->einfo->phy_id); interface = gfar_get_interface(dev); --- a/drivers/net/mlx4/mlx4_en.h +++ b/drivers/net/mlx4/mlx4_en.h @@ -58,17 +58,17 @@ #define mlx4_dbg(mlevel, priv, format, arg...) \ if (NETIF_MSG_##mlevel & priv->msg_enable) \ printk(KERN_DEBUG "%s %s: " format , DRV_NAME ,\ - (&priv->mdev->pdev->dev)->bus_id , ## arg) + (dev_name(&priv->mdev->pdev->dev)) , ## arg) #define mlx4_err(mdev, format, arg...) \ printk(KERN_ERR "%s %s: " format , DRV_NAME ,\ - (&mdev->pdev->dev)->bus_id , ## arg) + (dev_name(&mdev->pdev->dev)) , ## arg) #define mlx4_info(mdev, format, arg...) \ printk(KERN_INFO "%s %s: " format , DRV_NAME ,\ - (&mdev->pdev->dev)->bus_id , ## arg) + (dev_name(&mdev->pdev->dev)) , ## arg) #define mlx4_warn(mdev, format, arg...) \ printk(KERN_WARNING "%s %s: " format , DRV_NAME ,\ - (&mdev->pdev->dev)->bus_id , ## arg) + (dev_name(&mdev->pdev->dev)) , ## arg) /* * Device constants --- a/drivers/net/pasemi_mac.c +++ b/drivers/net/pasemi_mac.c @@ -1105,7 +1105,8 @@ static int pasemi_mac_phy_init(struct ne goto err; phy_id = *prop; - snprintf(mac->phy_id, BUS_ID_SIZE, "%x:%02x", (int)r.start, phy_id); + snprintf(mac->phy_id, sizeof(mac->phy_id), "%x:%02x", + (int)r.start, phy_id); of_node_put(phy_dn); --- a/drivers/net/phy/mdio_bus.c +++ b/drivers/net/phy/mdio_bus.c @@ -97,7 +97,7 @@ int mdiobus_register(struct mii_bus *bus bus->dev.parent = bus->parent; bus->dev.class = &mdio_bus_class; bus->dev.groups = NULL; - memcpy(bus->dev.bus_id, bus->id, MII_BUS_ID_SIZE); + dev_set_name(&bus->dev, bus->id); err = device_register(&bus->dev); if (err) { @@ -191,7 +191,7 @@ struct phy_device *mdiobus_scan(struct m phydev->dev.parent = bus->parent; phydev->dev.bus = &mdio_bus_type; - snprintf(phydev->dev.bus_id, BUS_ID_SIZE, PHY_ID_FMT, bus->id, addr); + dev_set_name(&phydev->dev, PHY_ID_FMT, bus->id, addr); phydev->bus = bus; --- a/drivers/net/phy/phy.c +++ b/drivers/net/phy/phy.c @@ -45,7 +45,7 @@ */ void phy_print_status(struct phy_device *phydev) { - pr_info("PHY: %s - Link is %s", phydev->dev.bus_id, + pr_info("PHY: %s - Link is %s", dev_name(&phydev->dev), phydev->link ? "Up" : "Down"); if (phydev->link) printk(" - %d/%s", phydev->speed, --- a/drivers/net/phy/phy_device.c +++ b/drivers/net/phy/phy_device.c @@ -74,7 +74,7 @@ int phy_register_fixup(const char *bus_i if (!fixup) return -ENOMEM; - strncpy(fixup->bus_id, bus_id, BUS_ID_SIZE); + strlcpy(fixup->bus_id, bus_id, sizeof(fixup->bus_id)); fixup->phy_uid = phy_uid; fixup->phy_uid_mask = phy_uid_mask; fixup->run = run; @@ -109,7 +109,7 @@ EXPORT_SYMBOL(phy_register_fixup_for_id) */ static int phy_needs_fixup(struct phy_device *phydev, struct phy_fixup *fixup) { - if (strcmp(fixup->bus_id, phydev->dev.bus_id) != 0) + if (strcmp(fixup->bus_id, dev_name(&phydev->dev)) != 0) if (strcmp(fixup->bus_id, PHY_ANY_ID) != 0) return 0; --- a/drivers/net/sh_eth.c +++ b/drivers/net/sh_eth.c @@ -799,7 +799,7 @@ static int sh_eth_phy_init(struct net_de char phy_id[BUS_ID_SIZE]; struct phy_device *phydev = NULL; - snprintf(phy_id, BUS_ID_SIZE, PHY_ID_FMT, + snprintf(phy_id, sizeof(phy_id), PHY_ID_FMT, mdp->mii_bus->id , mdp->phy_id); mdp->link = PHY_DOWN; --- a/drivers/net/tg3.c +++ b/drivers/net/tg3.c @@ -1396,7 +1396,7 @@ static int tg3_phy_init(struct tg3 *tp) phydev = tp->mdio_bus->phy_map[PHY_ADDR]; /* Attach the MAC to the PHY. */ - phydev = phy_connect(tp->dev, phydev->dev.bus_id, tg3_adjust_link, + phydev = phy_connect(tp->dev, dev_name(&phydev->dev), tg3_adjust_link, phydev->dev_flags, phydev->interface); if (IS_ERR(phydev)) { printk(KERN_ERR "%s: Could not attach to PHY\n", tp->dev->name); @@ -13645,7 +13645,7 @@ static int __devinit tg3_init_one(struct "%s: attached PHY driver [%s] (mii_bus:phy_addr=%s)\n", tp->dev->name, tp->mdio_bus->phy_map[PHY_ADDR]->drv->name, - tp->mdio_bus->phy_map[PHY_ADDR]->dev.bus_id); + dev_name(&tp->mdio_bus->phy_map[PHY_ADDR]->dev)); else printk(KERN_INFO "%s: attached PHY is %s (%s Ethernet) (WireSpeed[%d])\n", --- a/drivers/net/tulip/de4x5.c +++ b/drivers/net/tulip/de4x5.c @@ -1118,7 +1118,7 @@ de4x5_hw_init(struct net_device *dev, u_ } dev->base_addr = iobase; - printk ("%s: %s at 0x%04lx", gendev->bus_id, name, iobase); + printk ("%s: %s at 0x%04lx", dev_name(gendev), name, iobase); status = get_hw_addr(dev); printk(", h/w address %pM\n", dev->dev_addr); @@ -1153,7 +1153,7 @@ de4x5_hw_init(struct net_device *dev, u_ } } lp->fdx = lp->params.fdx; - sprintf(lp->adapter_name,"%s (%s)", name, gendev->bus_id); + sprintf(lp->adapter_name,"%s (%s)", name, dev_name(gendev)); lp->dma_size = (NUM_RX_DESC + NUM_TX_DESC) * sizeof(struct de4x5_desc); #if defined(__alpha__) || defined(__powerpc__) || defined(CONFIG_SPARC) || defined(DE4X5_DO_MEMCPY) --- a/drivers/net/ucc_geth.c +++ b/drivers/net/ucc_geth.c @@ -1615,8 +1615,8 @@ static int init_phy(struct net_device *d priv->oldspeed = 0; priv->oldduplex = -1; - snprintf(phy_id, BUS_ID_SIZE, PHY_ID_FMT, priv->ug_info->mdio_bus, - priv->ug_info->phy_address); + snprintf(phy_id, sizeof(phy_id), PHY_ID_FMT, priv->ug_info->mdio_bus, + priv->ug_info->phy_address); phydev = phy_connect(dev, phy_id, &adjust_link, 0, priv->phy_interface); --- a/drivers/net/wireless/libertas/defs.h +++ b/drivers/net/wireless/libertas/defs.h @@ -79,7 +79,7 @@ do { if ((lbs_debug & (grp)) == (grp)) \ #define lbs_deb_tx(fmt, args...) LBS_DEB_LL(LBS_DEB_TX, " tx", fmt, ##args) #define lbs_deb_fw(fmt, args...) LBS_DEB_LL(LBS_DEB_FW, " fw", fmt, ##args) #define lbs_deb_usb(fmt, args...) LBS_DEB_LL(LBS_DEB_USB, " usb", fmt, ##args) -#define lbs_deb_usbd(dev, fmt, args...) LBS_DEB_LL(LBS_DEB_USB, " usbd", "%s:" fmt, (dev)->bus_id, ##args) +#define lbs_deb_usbd(dev, fmt, args...) LBS_DEB_LL(LBS_DEB_USB, " usbd", "%s:" fmt, dev_name(dev), ##args) #define lbs_deb_cs(fmt, args...) LBS_DEB_LL(LBS_DEB_CS, " cs", fmt, ##args) #define lbs_deb_thread(fmt, args...) LBS_DEB_LL(LBS_DEB_THREAD, " thread", fmt, ##args) #define lbs_deb_sdio(fmt, args...) LBS_DEB_LL(LBS_DEB_SDIO, " sdio", fmt, ##args) --- a/drivers/net/wireless/orinoco.c +++ b/drivers/net/wireless/orinoco.c @@ -5985,7 +5985,7 @@ static void orinoco_get_drvinfo(struct n strncpy(info->version, DRIVER_VERSION, sizeof(info->version) - 1); strncpy(info->fw_version, priv->fw_name, sizeof(info->fw_version) - 1); if (dev->dev.parent) - strncpy(info->bus_info, dev->dev.parent->bus_id, + strncpy(info->bus_info, dev_name(dev->dev.parent), sizeof(info->bus_info) - 1); else snprintf(info->bus_info, sizeof(info->bus_info) - 1, --- a/drivers/net/wireless/orinoco_cs.c +++ b/drivers/net/wireless/orinoco_cs.c @@ -308,7 +308,7 @@ orinoco_cs_config(struct pcmcia_device * /* Finally, report what we've done */ printk(KERN_DEBUG "%s: " DRIVER_NAME " at %s, irq %d, io " - "0x%04x-0x%04x\n", dev->name, dev->dev.parent->bus_id, + "0x%04x-0x%04x\n", dev->name, dev_name(dev->dev.parent), link->irq.AssignedIRQ, link->io.BasePort1, link->io.BasePort1 + link->io.NumPorts1 - 1); return 0; --- a/drivers/net/wireless/spectrum_cs.c +++ b/drivers/net/wireless/spectrum_cs.c @@ -383,7 +383,7 @@ spectrum_cs_config(struct pcmcia_device /* Finally, report what we've done */ printk(KERN_DEBUG "%s: " DRIVER_NAME " at %s, irq %d, io " - "0x%04x-0x%04x\n", dev->name, dev->dev.parent->bus_id, + "0x%04x-0x%04x\n", dev->name, dev_name(dev->dev.parent), link->irq.AssignedIRQ, link->io.BasePort1, link->io.BasePort1 + link->io.NumPorts1 - 1); --- a/include/net/wireless.h +++ b/include/net/wireless.h @@ -263,9 +263,9 @@ static inline struct device *wiphy_dev(s /** * wiphy_name - get wiphy name */ -static inline char *wiphy_name(struct wiphy *wiphy) +static inline const char *wiphy_name(struct wiphy *wiphy) { - return wiphy->dev.bus_id; + return dev_name(&wiphy->dev); } /** --- a/net/atm/atm_sysfs.c +++ b/net/atm/atm_sysfs.c @@ -149,7 +149,7 @@ int atm_register_sysfs(struct atm_dev *a cdev->class = &atm_class; dev_set_drvdata(cdev, adev); - snprintf(cdev->bus_id, BUS_ID_SIZE, "%s%d", adev->type, adev->number); + dev_set_name(cdev, "%s%d", adev->type, adev->number); err = device_register(cdev); if (err < 0) return err; --- a/net/bluetooth/hci_sysfs.c +++ b/net/bluetooth/hci_sysfs.c @@ -113,8 +113,7 @@ void hci_conn_add_sysfs(struct hci_conn conn->dev.class = bt_class; conn->dev.parent = &hdev->dev; - snprintf(conn->dev.bus_id, BUS_ID_SIZE, "%s:%d", - hdev->name, conn->handle); + dev_set_name(&conn->dev, "%s:%d", hdev->name, conn->handle); dev_set_drvdata(&conn->dev, conn); @@ -132,7 +131,7 @@ void hci_conn_add_sysfs(struct hci_conn */ static int __match_tty(struct device *dev, void *data) { - return !strncmp(dev->bus_id, "rfcomm", 6); + return !strncmp(dev_name(dev), "rfcomm", 6); } static void del_conn(struct work_struct *work) @@ -421,7 +420,7 @@ int hci_register_sysfs(struct hci_dev *h dev->class = bt_class; dev->parent = hdev->parent; - strlcpy(dev->bus_id, hdev->name, BUS_ID_SIZE); + dev_set_name(dev, hdev->name); dev_set_drvdata(dev, hdev); --- a/net/core/net-sysfs.c +++ b/net/core/net-sysfs.c @@ -494,7 +494,7 @@ int netdev_register_kobject(struct net_d dev->groups = groups; BUILD_BUG_ON(BUS_ID_SIZE < IFNAMSIZ); - strlcpy(dev->bus_id, net->name, BUS_ID_SIZE); + dev_set_name(dev, net->name); #ifdef CONFIG_SYSFS *groups++ = &netstat_group; --- a/net/dsa/slave.c +++ b/net/dsa/slave.c @@ -284,7 +284,7 @@ dsa_slave_create(struct dsa_switch *ds, netif_carrier_off(slave_dev); if (p->phy != NULL) { - phy_attach(slave_dev, p->phy->dev.bus_id, + phy_attach(slave_dev, dev_name(&p->phy->dev), 0, PHY_INTERFACE_MODE_GMII); p->phy->autoneg = AUTONEG_ENABLE; --- a/net/rfkill/rfkill.c +++ b/net/rfkill/rfkill.c @@ -774,7 +774,7 @@ static void rfkill_led_trigger_register( int error; if (!rfkill->led_trigger.name) - rfkill->led_trigger.name = rfkill->dev.bus_id; + rfkill->led_trigger.name = dev_name(&rfkill->dev); if (!rfkill->led_trigger.activate) rfkill->led_trigger.activate = rfkill_led_trigger_activate; error = led_trigger_register(&rfkill->led_trigger); @@ -815,8 +815,7 @@ int __must_check rfkill_register(struct "badly initialized rfkill struct\n")) return -EINVAL; - snprintf(dev->bus_id, sizeof(dev->bus_id), - "rfkill%ld", (long)atomic_inc_return(&rfkill_no) - 1); + dev_set_name(dev, "rfkill%ld", (long)atomic_inc_return(&rfkill_no) - 1); rfkill_led_trigger_register(rfkill); --- a/net/wireless/core.c +++ b/net/wireless/core.c @@ -236,8 +236,7 @@ struct wiphy *wiphy_new(struct cfg80211_ mutex_unlock(&cfg80211_drv_mutex); /* give it a proper name */ - snprintf(drv->wiphy.dev.bus_id, BUS_ID_SIZE, - PHY_NAME "%d", drv->idx); + dev_set_name(&drv->wiphy.dev, PHY_NAME "%d", drv->idx); mutex_init(&drv->mtx); mutex_init(&drv->devlist_mtx);