From b463581154f3f3eecda27cae60df813fefcd84d3 Mon Sep 17 00:00:00 2001 From: Dominik Brodowski Date: Mon, 14 Nov 2005 21:25:35 +0100 Subject: [PATCH] pcmcia: remove dev_list from drivers The linked list of devices managed by each PCMCIA driver is, in very most cases, unused. Therefore, remove it from many drivers. Signed-off-by: Dominik Brodowski --- drivers/net/pcmcia/3c574_cs.c | 15 +-------------- drivers/net/pcmcia/3c589_cs.c | 17 ++--------------- drivers/net/pcmcia/axnet_cs.c | 14 +------------- drivers/net/pcmcia/com20020_cs.c | 22 ++++------------------ drivers/net/pcmcia/fmvj18x_cs.c | 16 ++-------------- drivers/net/pcmcia/ibmtr_cs.c | 21 +++------------------ drivers/net/pcmcia/nmclan_cs.c | 14 +------------- drivers/net/pcmcia/pcnet_cs.c | 14 +------------- drivers/net/pcmcia/smc91c92_cs.c | 15 +-------------- drivers/net/pcmcia/xirc2ps_cs.c | 24 +----------------------- 10 files changed, 17 insertions(+), 155 deletions(-) (limited to 'drivers/net/pcmcia') diff --git a/drivers/net/pcmcia/3c574_cs.c b/drivers/net/pcmcia/3c574_cs.c index 60a3bc2..8fcb636 100644 --- a/drivers/net/pcmcia/3c574_cs.c +++ b/drivers/net/pcmcia/3c574_cs.c @@ -255,8 +255,6 @@ static dev_info_t dev_info = "3c574_cs"; static dev_link_t *tc574_attach(void); static void tc574_detach(struct pcmcia_device *p_dev); -static dev_link_t *dev_list; - /* tc574_attach() creates an "instance" of the driver, allocating local data structures for one device. The device is registered @@ -308,8 +306,7 @@ static dev_link_t *tc574_attach(void) #endif /* Register with Card Services */ - link->next = dev_list; - dev_list = link; + link->next = NULL; client_reg.dev_info = &dev_info; client_reg.Version = 0x0210; client_reg.event_callback_args.client_data = link; @@ -336,24 +333,15 @@ static void tc574_detach(struct pcmcia_device *p_dev) { dev_link_t *link = dev_to_instance(p_dev); struct net_device *dev = link->priv; - dev_link_t **linkp; DEBUG(0, "3c574_detach(0x%p)\n", link); - /* Locate device structure */ - for (linkp = &dev_list; *linkp; linkp = &(*linkp)->next) - if (*linkp == link) break; - if (*linkp == NULL) - return; - if (link->dev) unregister_netdev(dev); if (link->state & DEV_CONFIG) tc574_release(link); - /* Unlink device structure, free bits */ - *linkp = link->next; free_netdev(dev); } /* tc574_detach */ @@ -1310,7 +1298,6 @@ static int __init init_tc574(void) static void __exit exit_tc574(void) { pcmcia_unregister_driver(&tc574_driver); - BUG_ON(dev_list != NULL); } module_init(init_tc574); diff --git a/drivers/net/pcmcia/3c589_cs.c b/drivers/net/pcmcia/3c589_cs.c index 09b96c7..3516c02 100644 --- a/drivers/net/pcmcia/3c589_cs.c +++ b/drivers/net/pcmcia/3c589_cs.c @@ -166,8 +166,6 @@ static dev_info_t dev_info = "3c589_cs"; static dev_link_t *tc589_attach(void); static void tc589_detach(struct pcmcia_device *p_dev); -static dev_link_t *dev_list; - /*====================================================================== tc589_attach() creates an "instance" of the driver, allocating @@ -222,8 +220,7 @@ static dev_link_t *tc589_attach(void) SET_ETHTOOL_OPS(dev, &netdev_ethtool_ops); /* Register with Card Services */ - link->next = dev_list; - dev_list = link; + link->next = NULL; client_reg.dev_info = &dev_info; client_reg.Version = 0x0210; client_reg.event_callback_args.client_data = link; @@ -250,15 +247,8 @@ static void tc589_detach(struct pcmcia_device *p_dev) { dev_link_t *link = dev_to_instance(p_dev); struct net_device *dev = link->priv; - dev_link_t **linkp; - + DEBUG(0, "3c589_detach(0x%p)\n", link); - - /* Locate device structure */ - for (linkp = &dev_list; *linkp; linkp = &(*linkp)->next) - if (*linkp == link) break; - if (*linkp == NULL) - return; if (link->dev) unregister_netdev(dev); @@ -266,8 +256,6 @@ static void tc589_detach(struct pcmcia_device *p_dev) if (link->state & DEV_CONFIG) tc589_release(link); - /* Unlink device structure, free bits */ - *linkp = link->next; free_netdev(dev); } /* tc589_detach */ @@ -1085,7 +1073,6 @@ static int __init init_tc589(void) static void __exit exit_tc589(void) { pcmcia_unregister_driver(&tc589_driver); - BUG_ON(dev_list != NULL); } module_init(init_tc589); diff --git a/drivers/net/pcmcia/axnet_cs.c b/drivers/net/pcmcia/axnet_cs.c index 11f701a..3d36207 100644 --- a/drivers/net/pcmcia/axnet_cs.c +++ b/drivers/net/pcmcia/axnet_cs.c @@ -111,7 +111,6 @@ static dev_link_t *axnet_attach(void); static void axnet_detach(struct pcmcia_device *p_dev); static dev_info_t dev_info = "axnet_cs"; -static dev_link_t *dev_list; static void axdev_setup(struct net_device *dev); static void AX88190_init(struct net_device *dev, int startp); @@ -177,8 +176,7 @@ static dev_link_t *axnet_attach(void) SET_ETHTOOL_OPS(dev, &netdev_ethtool_ops); /* Register with Card Services */ - link->next = dev_list; - dev_list = link; + link->next = NULL; client_reg.dev_info = &dev_info; client_reg.Version = 0x0210; client_reg.event_callback_args.client_data = link; @@ -205,24 +203,15 @@ static void axnet_detach(struct pcmcia_device *p_dev) { dev_link_t *link = dev_to_instance(p_dev); struct net_device *dev = link->priv; - dev_link_t **linkp; DEBUG(0, "axnet_detach(0x%p)\n", link); - /* Locate device structure */ - for (linkp = &dev_list; *linkp; linkp = &(*linkp)->next) - if (*linkp == link) break; - if (*linkp == NULL) - return; - if (link->dev) unregister_netdev(dev); if (link->state & DEV_CONFIG) axnet_release(link); - /* Unlink device structure, free bits */ - *linkp = link->next; free_netdev(dev); } /* axnet_detach */ @@ -896,7 +885,6 @@ static int __init init_axnet_cs(void) static void __exit exit_axnet_cs(void) { pcmcia_unregister_driver(&axnet_cs_driver); - BUG_ON(dev_list != NULL); } module_init(init_axnet_cs); diff --git a/drivers/net/pcmcia/com20020_cs.c b/drivers/net/pcmcia/com20020_cs.c index 6970888..d48dbd3 100644 --- a/drivers/net/pcmcia/com20020_cs.c +++ b/drivers/net/pcmcia/com20020_cs.c @@ -128,8 +128,6 @@ static dev_info_t dev_info = "com20020_cs"; static dev_link_t *com20020_attach(void); static void com20020_detach(struct pcmcia_device *p_dev); -static dev_link_t *dev_list; - /*====================================================================*/ typedef struct com20020_dev_t { @@ -196,8 +194,7 @@ static dev_link_t *com20020_attach(void) link->priv = info; /* Register with Card Services */ - link->next = dev_list; - dev_list = link; + link->next = NULL; client_reg.dev_info = &dev_info; client_reg.Version = 0x0210; client_reg.event_callback_args.client_data = link; @@ -230,26 +227,17 @@ static void com20020_detach(struct pcmcia_device *p_dev) { dev_link_t *link = dev_to_instance(p_dev); struct com20020_dev_t *info = link->priv; - dev_link_t **linkp; - struct net_device *dev; - + struct net_device *dev = info->dev; + DEBUG(1,"detach...\n"); DEBUG(0, "com20020_detach(0x%p)\n", link); - /* Locate device structure */ - for (linkp = &dev_list; *linkp; linkp = &(*linkp)->next) - if (*linkp == link) break; - if (*linkp == NULL) - return; - - dev = info->dev; - if (link->dev) { DEBUG(1,"unregister...\n"); unregister_netdev(dev); - + /* * this is necessary because we register our IRQ separately * from card services. @@ -263,7 +251,6 @@ static void com20020_detach(struct pcmcia_device *p_dev) /* Unlink device structure, free bits */ DEBUG(1,"unlinking...\n"); - *linkp = link->next; if (link->priv) { dev = info->dev; @@ -507,7 +494,6 @@ static int __init init_com20020_cs(void) static void __exit exit_com20020_cs(void) { pcmcia_unregister_driver(&com20020_cs_driver); - BUG_ON(dev_list != NULL); } module_init(init_com20020_cs); diff --git a/drivers/net/pcmcia/fmvj18x_cs.c b/drivers/net/pcmcia/fmvj18x_cs.c index 560d4ee..dad6393 100644 --- a/drivers/net/pcmcia/fmvj18x_cs.c +++ b/drivers/net/pcmcia/fmvj18x_cs.c @@ -109,7 +109,6 @@ static void fjn_tx_timeout(struct net_device *dev); static struct ethtool_ops netdev_ethtool_ops; static dev_info_t dev_info = "fmvj18x_cs"; -static dev_link_t *dev_list; /* card type @@ -283,8 +282,7 @@ static dev_link_t *fmvj18x_attach(void) SET_ETHTOOL_OPS(dev, &netdev_ethtool_ops); /* Register with Card Services */ - link->next = dev_list; - dev_list = link; + link->next = NULL; client_reg.dev_info = &dev_info; client_reg.Version = 0x0210; client_reg.event_callback_args.client_data = link; @@ -304,15 +302,8 @@ static void fmvj18x_detach(struct pcmcia_device *p_dev) { dev_link_t *link = dev_to_instance(p_dev); struct net_device *dev = link->priv; - dev_link_t **linkp; - + DEBUG(0, "fmvj18x_detach(0x%p)\n", link); - - /* Locate device structure */ - for (linkp = &dev_list; *linkp; linkp = &(*linkp)->next) - if (*linkp == link) break; - if (*linkp == NULL) - return; if (link->dev) unregister_netdev(dev); @@ -320,8 +311,6 @@ static void fmvj18x_detach(struct pcmcia_device *p_dev) if (link->state & DEV_CONFIG) fmvj18x_release(link); - /* Unlink device structure, free pieces */ - *linkp = link->next; free_netdev(dev); } /* fmvj18x_detach */ @@ -807,7 +796,6 @@ static int __init init_fmvj18x_cs(void) static void __exit exit_fmvj18x_cs(void) { pcmcia_unregister_driver(&fmvj18x_cs_driver); - BUG_ON(dev_list != NULL); } module_init(init_fmvj18x_cs); diff --git a/drivers/net/pcmcia/ibmtr_cs.c b/drivers/net/pcmcia/ibmtr_cs.c index 9612949..90da35d 100644 --- a/drivers/net/pcmcia/ibmtr_cs.c +++ b/drivers/net/pcmcia/ibmtr_cs.c @@ -116,8 +116,6 @@ static dev_info_t dev_info = "ibmtr_cs"; static dev_link_t *ibmtr_attach(void); static void ibmtr_detach(struct pcmcia_device *p_dev); -static dev_link_t *dev_list; - /*====================================================================*/ typedef struct ibmtr_dev_t { @@ -186,8 +184,7 @@ static dev_link_t *ibmtr_attach(void) SET_ETHTOOL_OPS(dev, &netdev_ethtool_ops); /* Register with Card Services */ - link->next = dev_list; - dev_list = link; + link->next = NULL; client_reg.dev_info = &dev_info; client_reg.Version = 0x0210; client_reg.event_callback_args.client_data = link; @@ -219,19 +216,10 @@ static void ibmtr_detach(struct pcmcia_device *p_dev) { dev_link_t *link = dev_to_instance(p_dev); struct ibmtr_dev_t *info = link->priv; - dev_link_t **linkp; - struct net_device *dev; + struct net_device *dev = info->dev; DEBUG(0, "ibmtr_detach(0x%p)\n", link); - /* Locate device structure */ - for (linkp = &dev_list; *linkp; linkp = &(*linkp)->next) - if (*linkp == link) break; - if (*linkp == NULL) - return; - - dev = info->dev; - if (link->dev) unregister_netdev(dev); @@ -242,10 +230,8 @@ static void ibmtr_detach(struct pcmcia_device *p_dev) if (link->state & DEV_CONFIG) ibmtr_release(link); - /* Unlink device structure, free bits */ - *linkp = link->next; free_netdev(dev); - kfree(info); + kfree(info); } /* ibmtr_detach */ /*====================================================================== @@ -530,7 +516,6 @@ static int __init init_ibmtr_cs(void) static void __exit exit_ibmtr_cs(void) { pcmcia_unregister_driver(&ibmtr_cs_driver); - BUG_ON(dev_list != NULL); } module_init(init_ibmtr_cs); diff --git a/drivers/net/pcmcia/nmclan_cs.c b/drivers/net/pcmcia/nmclan_cs.c index 011ceb0..0c9cb9f 100644 --- a/drivers/net/pcmcia/nmclan_cs.c +++ b/drivers/net/pcmcia/nmclan_cs.c @@ -389,7 +389,6 @@ DRV_NAME " " DRV_VERSION " (Roger C. Pao)"; #endif static dev_info_t dev_info="nmclan_cs"; -static dev_link_t *dev_list; static char *if_names[]={ "Auto", "10baseT", "BNC", @@ -498,8 +497,7 @@ static dev_link_t *nmclan_attach(void) #endif /* Register with Card Services */ - link->next = dev_list; - dev_list = link; + link->next = NULL; client_reg.dev_info = &dev_info; client_reg.Version = 0x0210; client_reg.event_callback_args.client_data = link; @@ -525,24 +523,15 @@ static void nmclan_detach(struct pcmcia_device *p_dev) { dev_link_t *link = dev_to_instance(p_dev); struct net_device *dev = link->priv; - dev_link_t **linkp; DEBUG(0, "nmclan_detach(0x%p)\n", link); - /* Locate device structure */ - for (linkp = &dev_list; *linkp; linkp = &(*linkp)->next) - if (*linkp == link) break; - if (*linkp == NULL) - return; - if (link->dev) unregister_netdev(dev); if (link->state & DEV_CONFIG) nmclan_release(link); - /* Unlink device structure, free bits */ - *linkp = link->next; free_netdev(dev); } /* nmclan_detach */ @@ -1700,7 +1689,6 @@ static int __init init_nmclan_cs(void) static void __exit exit_nmclan_cs(void) { pcmcia_unregister_driver(&nmclan_cs_driver); - BUG_ON(dev_list != NULL); } module_init(init_nmclan_cs); diff --git a/drivers/net/pcmcia/pcnet_cs.c b/drivers/net/pcmcia/pcnet_cs.c index fb3e411..b35c951 100644 --- a/drivers/net/pcmcia/pcnet_cs.c +++ b/drivers/net/pcmcia/pcnet_cs.c @@ -124,7 +124,6 @@ static dev_link_t *pcnet_attach(void); static void pcnet_detach(struct pcmcia_device *p_dev); static dev_info_t dev_info = "pcnet_cs"; -static dev_link_t *dev_list; /*====================================================================*/ @@ -272,8 +271,7 @@ static dev_link_t *pcnet_attach(void) dev->set_config = &set_config; /* Register with Card Services */ - link->next = dev_list; - dev_list = link; + link->next = NULL; client_reg.dev_info = &dev_info; client_reg.Version = 0x0210; client_reg.event_callback_args.client_data = link; @@ -300,24 +298,15 @@ static void pcnet_detach(struct pcmcia_device *p_dev) { dev_link_t *link = dev_to_instance(p_dev); struct net_device *dev = link->priv; - dev_link_t **linkp; DEBUG(0, "pcnet_detach(0x%p)\n", link); - /* Locate device structure */ - for (linkp = &dev_list; *linkp; linkp = &(*linkp)->next) - if (*linkp == link) break; - if (*linkp == NULL) - return; - if (link->dev) unregister_netdev(dev); if (link->state & DEV_CONFIG) pcnet_release(link); - /* Unlink device structure, free bits */ - *linkp = link->next; free_netdev(dev); } /* pcnet_detach */ @@ -1864,7 +1853,6 @@ static void __exit exit_pcnet_cs(void) { DEBUG(0, "pcnet_cs: unloading\n"); pcmcia_unregister_driver(&pcnet_driver); - BUG_ON(dev_list != NULL); } module_init(init_pcnet_cs); diff --git a/drivers/net/pcmcia/smc91c92_cs.c b/drivers/net/pcmcia/smc91c92_cs.c index 6cb5198..9eb5cec 100644 --- a/drivers/net/pcmcia/smc91c92_cs.c +++ b/drivers/net/pcmcia/smc91c92_cs.c @@ -104,8 +104,6 @@ static const char *version = static dev_info_t dev_info = "smc91c92_cs"; -static dev_link_t *dev_list; - struct smc_private { dev_link_t link; spinlock_t lock; @@ -367,8 +365,7 @@ static dev_link_t *smc91c92_attach(void) smc->mii_if.reg_num_mask = 0x1f; /* Register with Card Services */ - link->next = dev_list; - dev_list = link; + link->next = NULL; client_reg.dev_info = &dev_info; client_reg.Version = 0x0210; client_reg.event_callback_args.client_data = link; @@ -395,24 +392,15 @@ static void smc91c92_detach(struct pcmcia_device *p_dev) { dev_link_t *link = dev_to_instance(p_dev); struct net_device *dev = link->priv; - dev_link_t **linkp; DEBUG(0, "smc91c92_detach(0x%p)\n", link); - /* Locate device structure */ - for (linkp = &dev_list; *linkp; linkp = &(*linkp)->next) - if (*linkp == link) break; - if (*linkp == NULL) - return; - if (link->dev) unregister_netdev(dev); if (link->state & DEV_CONFIG) smc91c92_release(link); - /* Unlink device structure, free bits */ - *linkp = link->next; free_netdev(dev); } /* smc91c92_detach */ @@ -2377,7 +2365,6 @@ static int __init init_smc91c92_cs(void) static void __exit exit_smc91c92_cs(void) { pcmcia_unregister_driver(&smc91c92_cs_driver); - BUG_ON(dev_list != NULL); } module_init(init_smc91c92_cs); diff --git a/drivers/net/pcmcia/xirc2ps_cs.c b/drivers/net/pcmcia/xirc2ps_cs.c index 804e567..8c8cc40 100644 --- a/drivers/net/pcmcia/xirc2ps_cs.c +++ b/drivers/net/pcmcia/xirc2ps_cs.c @@ -331,15 +331,7 @@ static dev_info_t dev_info = "xirc2ps_cs"; * device numbers are used to derive the corresponding array index. */ -static dev_link_t *dev_list; - /**************** - * A dev_link_t structure has fields for most things that are needed - * to keep track of a socket, but there will usually be some device - * specific information that also needs to be kept track of. The - * 'priv' pointer in a dev_link_t structure can be used to point to - * a device-specific private data structure, like this. - * * A driver needs to provide a dev_node_t structure for each device * on a card. In some cases, there is only one device per card (for * example, ethernet cards, modems). In other cases, there may be @@ -615,8 +607,7 @@ xirc2ps_attach(void) #endif /* Register with Card Services */ - link->next = dev_list; - dev_list = link; + link->next = NULL; client_reg.dev_info = &dev_info; client_reg.Version = 0x0210; client_reg.event_callback_args.client_data = link; @@ -641,27 +632,15 @@ xirc2ps_detach(struct pcmcia_device *p_dev) { dev_link_t *link = dev_to_instance(p_dev); struct net_device *dev = link->priv; - dev_link_t **linkp; DEBUG(0, "detach(0x%p)\n", link); - /* Locate device structure */ - for (linkp = &dev_list; *linkp; linkp = &(*linkp)->next) - if (*linkp == link) - break; - if (!*linkp) { - DEBUG(0, "detach(0x%p): dev_link lost\n", link); - return; - } - if (link->dev) unregister_netdev(dev); if (link->state & DEV_CONFIG) xirc2ps_release(link); - /* Unlink device structure, free it */ - *linkp = link->next; free_netdev(dev); } /* xirc2ps_detach */ @@ -2020,7 +1999,6 @@ static void __exit exit_xirc2ps_cs(void) { pcmcia_unregister_driver(&xirc2ps_cs_driver); - BUG_ON(dev_list != NULL); } module_init(init_xirc2ps_cs); -- cgit v1.1