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Mon, 22 Mar 2010 00:07:54 +0100 (CET) From: Dominik Brodowski To: Cc: Dominik Brodowski , linux-bluetooth@vger.kernel.org, Harald Welte , linux-mtd@lists.infradead.org, linux-wireless@vger.kernel.org, netdev@vger.kernel.org, linux-serial@vger.kernel.org, alsa-devel@alsa-project.org Subject: [RFC PATCH 09/19] pcmcia: dev_node removal (write-only drivers) Date: Mon, 22 Mar 2010 00:07:27 +0100 Message-Id: <1269212857-25364-9-git-send-email-linux@dominikbrodowski.net> X-Mailer: git-send-email 1.6.3.3 In-Reply-To: <20100321230617.GA24791@comet.dominikbrodowski.net> References: <20100321230617.GA24791@comet.dominikbrodowski.net> Sender: linux-wireless-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org X-Greylist: IP, sender and recipient auto-whitelisted, not delayed by milter-greylist-4.2.3 (demeter.kernel.org [140.211.167.41]); Sun, 21 Mar 2010 23:09:00 +0000 (UTC) diff --git a/drivers/bluetooth/bluecard_cs.c b/drivers/bluetooth/bluecard_cs.c index a34653d..6f907eb 100644 --- a/drivers/bluetooth/bluecard_cs.c +++ b/drivers/bluetooth/bluecard_cs.c @@ -65,7 +65,6 @@ MODULE_LICENSE("GPL"); typedef struct bluecard_info_t { struct pcmcia_device *p_dev; - dev_node_t node; struct hci_dev *hdev; @@ -916,9 +915,6 @@ static int bluecard_config(struct pcmcia_device *link) if (bluecard_open(info) != 0) goto failed; - strcpy(info->node.dev_name, info->hdev->name); - link->dev_node = &info->node; - return 0; failed: diff --git a/drivers/bluetooth/bt3c_cs.c b/drivers/bluetooth/bt3c_cs.c index 1ad9694..21e05fd 100644 --- a/drivers/bluetooth/bt3c_cs.c +++ b/drivers/bluetooth/bt3c_cs.c @@ -72,7 +72,6 @@ MODULE_FIRMWARE("BT3CPCC.bin"); typedef struct bt3c_info_t { struct pcmcia_device *p_dev; - dev_node_t node; struct hci_dev *hdev; @@ -751,9 +750,6 @@ found_port: if (bt3c_open(info) != 0) goto failed; - strcpy(info->node.dev_name, info->hdev->name); - link->dev_node = &info->node; - return 0; failed: diff --git a/drivers/bluetooth/btuart_cs.c b/drivers/bluetooth/btuart_cs.c index 1073d66..4ed7288 100644 --- a/drivers/bluetooth/btuart_cs.c +++ b/drivers/bluetooth/btuart_cs.c @@ -67,7 +67,6 @@ MODULE_LICENSE("GPL"); typedef struct btuart_info_t { struct pcmcia_device *p_dev; - dev_node_t node; struct hci_dev *hdev; @@ -680,9 +679,6 @@ found_port: if (btuart_open(info) != 0) goto failed; - strcpy(info->node.dev_name, info->hdev->name); - link->dev_node = &info->node; - return 0; failed: diff --git a/drivers/bluetooth/dtl1_cs.c b/drivers/bluetooth/dtl1_cs.c index 3d72afd..ef044d5 100644 --- a/drivers/bluetooth/dtl1_cs.c +++ b/drivers/bluetooth/dtl1_cs.c @@ -67,7 +67,6 @@ MODULE_LICENSE("GPL"); typedef struct dtl1_info_t { struct pcmcia_device *p_dev; - dev_node_t node; struct hci_dev *hdev; @@ -629,9 +628,6 @@ static int dtl1_config(struct pcmcia_device *link) if (dtl1_open(info) != 0) goto failed; - strcpy(info->node.dev_name, info->hdev->name); - link->dev_node = &info->node; - return 0; failed: diff --git a/drivers/char/pcmcia/cm4040_cs.c b/drivers/char/pcmcia/cm4040_cs.c index a6a70e4..c0775c8 100644 --- a/drivers/char/pcmcia/cm4040_cs.c +++ b/drivers/char/pcmcia/cm4040_cs.c @@ -72,7 +72,6 @@ static struct class *cmx_class; struct reader_dev { struct pcmcia_device *p_dev; - dev_node_t node; wait_queue_head_t devq; wait_queue_head_t poll_wait; wait_queue_head_t read_wait; @@ -568,10 +567,6 @@ static int reader_config(struct pcmcia_device *link, int devno) } dev = link->priv; - sprintf(dev->node.dev_name, DEVICE_NAME "%d", devno); - dev->node.major = major; - dev->node.minor = devno; - dev->node.next = &dev->node; DEBUGP(2, dev, "device " DEVICE_NAME "%d at 0x%.4x-0x%.4x\n", devno, link->io.BasePort1, link->io.BasePort1+link->io.NumPorts1); diff --git a/drivers/mtd/maps/pcmciamtd.c b/drivers/mtd/maps/pcmciamtd.c index 689d6a7..87b2b8f 100644 --- a/drivers/mtd/maps/pcmciamtd.c +++ b/drivers/mtd/maps/pcmciamtd.c @@ -52,7 +52,6 @@ static const int debug = 0; struct pcmciamtd_dev { struct pcmcia_device *p_dev; - dev_node_t node; /* device node */ caddr_t win_base; /* ioremapped address of PCMCIA window */ unsigned int win_size; /* size of window */ unsigned int offset; /* offset into card the window currently points at */ @@ -647,9 +646,7 @@ static int pcmciamtd_config(struct pcmcia_device *link) pcmciamtd_release(link); return -ENODEV; } - snprintf(dev->node.dev_name, sizeof(dev->node.dev_name), "mtd%d", mtd->index); info("mtd%d: %s", mtd->index, mtd->name); - link->dev_node = &dev->node; return 0; failed: diff --git a/drivers/net/wireless/atmel_cs.c b/drivers/net/wireless/atmel_cs.c index 759cdc4..c2746fc 100644 --- a/drivers/net/wireless/atmel_cs.c +++ b/drivers/net/wireless/atmel_cs.c @@ -85,41 +85,7 @@ static void atmel_release(struct pcmcia_device *link); static void atmel_detach(struct pcmcia_device *p_dev); -/* - You'll also need to prototype all the functions that will actually - be used to talk to your device. See 'pcmem_cs' for a good example - of a fully self-sufficient driver; the other drivers rely more or - less on other parts of the kernel. -*/ - -/* - A linked list of "instances" of the atmelnet device. Each actual - PCMCIA card corresponds to one device instance, and is described - by one struct pcmcia_device structure (defined in ds.h). - - You may not want to use a linked list for this -- for example, the - memory card driver uses an array of struct pcmcia_device pointers, where minor - device numbers are used to derive the corresponding array index. -*/ - -/* - 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 - many actual or logical devices (SCSI adapters, memory cards with - multiple partitions). The dev_node_t structures need to be kept - in a linked list starting at the 'dev' field of a struct pcmcia_device - structure. We allocate them in the card's private data structure, - because they generally shouldn't be allocated dynamically. - - In this case, we also provide a flag to indicate if a device is - "stopped" due to a power management event, or card ejection. The - device IO routines can use a flag like this to throttle IO to a - card that is not ready to accept it. -*/ - typedef struct local_info_t { - dev_node_t node; struct net_device *eth_dev; } local_info_t; @@ -297,14 +263,6 @@ static int atmel_config(struct pcmcia_device *link) goto failed; - /* - At this point, the dev_node_t structure(s) need to be - initialized and arranged in a linked list at link->dev_node. - */ - strcpy(dev->node.dev_name, ((local_info_t*)link->priv)->eth_dev->name ); - dev->node.major = dev->node.minor = 0; - link->dev_node = &dev->node; - return 0; failed: diff --git a/drivers/net/wireless/hostap/hostap_cs.c b/drivers/net/wireless/hostap/hostap_cs.c index 7e5f4c0..56d7d90 100644 --- a/drivers/net/wireless/hostap/hostap_cs.c +++ b/drivers/net/wireless/hostap/hostap_cs.c @@ -38,7 +38,6 @@ MODULE_PARM_DESC(ignore_cis_vcc, "Ignore broken CIS VCC entry"); /* struct local_info::hw_priv */ struct hostap_cs_priv { - dev_node_t node; struct pcmcia_device *link; int sandisk_connectplus; }; @@ -624,8 +623,6 @@ static int prism2_config(struct pcmcia_device *link) local = iface->local; local->hw_priv = hw_priv; hw_priv->link = link; - strcpy(hw_priv->node.dev_name, dev->name); - link->dev_node = &hw_priv->node; ret = pcmcia_request_irq(link, prism2_interrupt); if (ret) @@ -664,11 +661,9 @@ static int prism2_config(struct pcmcia_device *link) sandisk_enable_wireless(dev); ret = prism2_hw_config(dev, 1); - if (!ret) { + if (!ret) ret = hostap_hw_ready(dev); - if (ret == 0 && local->ddev) - strcpy(hw_priv->node.dev_name, local->ddev->name); - } + return ret; failed: diff --git a/drivers/parport/parport_cs.c b/drivers/parport/parport_cs.c index 80c9052..fd8cfe9 100644 --- a/drivers/parport/parport_cs.c +++ b/drivers/parport/parport_cs.c @@ -75,7 +75,6 @@ INT_MODULE_PARM(epp_mode, 1); typedef struct parport_info_t { struct pcmcia_device *p_dev; int ndev; - dev_node_t node; struct parport *port; } parport_info_t; @@ -193,11 +192,7 @@ static int parport_config(struct pcmcia_device *link) if (epp_mode) p->modes |= PARPORT_MODE_TRISTATE | PARPORT_MODE_EPP; info->ndev = 1; - info->node.major = LP_MAJOR; - info->node.minor = p->number; info->port = p; - strcpy(info->node.dev_name, p->name); - link->dev_node = &info->node; return 0; diff --git a/drivers/scsi/pcmcia/aha152x_stub.c b/drivers/scsi/pcmcia/aha152x_stub.c index c1de4ba..9d70aef 100644 --- a/drivers/scsi/pcmcia/aha152x_stub.c +++ b/drivers/scsi/pcmcia/aha152x_stub.c @@ -80,7 +80,6 @@ MODULE_LICENSE("Dual MPL/GPL"); typedef struct scsi_info_t { struct pcmcia_device *p_dev; - dev_node_t node; struct Scsi_Host *host; } scsi_info_t; @@ -185,8 +184,6 @@ static int aha152x_config_cs(struct pcmcia_device *link) goto failed; } - sprintf(info->node.dev_name, "scsi%d", host->host_no); - link->dev_node = &info->node; info->host = host; return 0; diff --git a/drivers/scsi/pcmcia/fdomain_stub.c b/drivers/scsi/pcmcia/fdomain_stub.c index 8cb6d71..21b1411 100644 --- a/drivers/scsi/pcmcia/fdomain_stub.c +++ b/drivers/scsi/pcmcia/fdomain_stub.c @@ -63,7 +63,6 @@ MODULE_LICENSE("Dual MPL/GPL"); typedef struct scsi_info_t { struct pcmcia_device *p_dev; - dev_node_t node; struct Scsi_Host *host; } scsi_info_t; @@ -155,8 +154,6 @@ static int fdomain_config(struct pcmcia_device *link) goto failed; scsi_scan_host(host); - sprintf(info->node.dev_name, "scsi%d", host->host_no); - link->dev_node = &info->node; info->host = host; return 0; diff --git a/drivers/scsi/pcmcia/nsp_cs.c b/drivers/scsi/pcmcia/nsp_cs.c index 24c78ed..0f0e112 100644 --- a/drivers/scsi/pcmcia/nsp_cs.c +++ b/drivers/scsi/pcmcia/nsp_cs.c @@ -1754,8 +1754,6 @@ static int nsp_cs_config(struct pcmcia_device *link) scsi_scan_host(host); - snprintf(info->node.dev_name, sizeof(info->node.dev_name), "scsi%d", host->host_no); - link->dev_node = &info->node; info->host = host; /* Finally, report what we've done */ @@ -1813,7 +1811,6 @@ static void nsp_cs_release(struct pcmcia_device *link) if (info->host != NULL) { scsi_remove_host(info->host); } - link->dev_node = NULL; if (link->win) { if (data != NULL) { diff --git a/drivers/scsi/pcmcia/nsp_cs.h b/drivers/scsi/pcmcia/nsp_cs.h index 8c61a4f..d68c9f2 100644 --- a/drivers/scsi/pcmcia/nsp_cs.h +++ b/drivers/scsi/pcmcia/nsp_cs.h @@ -224,7 +224,6 @@ typedef struct scsi_info_t { struct pcmcia_device *p_dev; struct Scsi_Host *host; - dev_node_t node; int stop; } scsi_info_t; diff --git a/drivers/scsi/pcmcia/qlogic_stub.c b/drivers/scsi/pcmcia/qlogic_stub.c index c3a4428..f0fc6ba 100644 --- a/drivers/scsi/pcmcia/qlogic_stub.c +++ b/drivers/scsi/pcmcia/qlogic_stub.c @@ -82,7 +82,6 @@ static struct scsi_host_template qlogicfas_driver_template = { typedef struct scsi_info_t { struct pcmcia_device *p_dev; - dev_node_t node; struct Scsi_Host *host; unsigned short manf_id; } scsi_info_t; @@ -235,8 +234,6 @@ static int qlogic_config(struct pcmcia_device * link) goto failed; } - sprintf(info->node.dev_name, "scsi%d", host->host_no); - link->dev_node = &info->node; info->host = host; return 0; diff --git a/drivers/scsi/pcmcia/sym53c500_cs.c b/drivers/scsi/pcmcia/sym53c500_cs.c index 6eacf4c..a511641 100644 --- a/drivers/scsi/pcmcia/sym53c500_cs.c +++ b/drivers/scsi/pcmcia/sym53c500_cs.c @@ -191,7 +191,6 @@ struct scsi_info_t { struct pcmcia_device *p_dev; - dev_node_t node; struct Scsi_Host *host; unsigned short manf_id; }; @@ -792,8 +791,6 @@ SYM53C500_config(struct pcmcia_device *link) */ data->fast_pio = USE_FAST_PIO; - sprintf(info->node.dev_name, "scsi%d", host->host_no); - link->dev_node = &info->node; info->host = host; if (scsi_add_host(host, NULL)) diff --git a/drivers/serial/serial_cs.c b/drivers/serial/serial_cs.c index 7519d27..048bd89 100644 --- a/drivers/serial/serial_cs.c +++ b/drivers/serial/serial_cs.c @@ -89,7 +89,6 @@ struct serial_info { int manfid; int prodid; int c950ctrl; - dev_node_t node[4]; int line[4]; const struct serial_quirk *quirk; }; @@ -280,8 +279,6 @@ static void serial_remove(struct pcmcia_device *link) for (i = 0; i < info->ndev; i++) serial8250_unregister_port(info->line[i]); - info->p_dev->dev_node = NULL; - if (!info->slave) pcmcia_disable_device(link); } @@ -401,11 +398,6 @@ static int setup_serial(struct pcmcia_device *handle, struct serial_info * info, } info->line[info->ndev] = line; - sprintf(info->node[info->ndev].dev_name, "ttyS%d", line); - info->node[info->ndev].major = TTY_MAJOR; - info->node[info->ndev].minor = 0x40 + line; - if (info->ndev > 0) - info->node[info->ndev - 1].next = &info->node[info->ndev]; info->ndev++; return 0; @@ -702,7 +694,6 @@ static int serial_config(struct pcmcia_device * link) if (info->quirk->post(link)) goto failed; - link->dev_node = &info->node[0]; return 0; failed: diff --git a/drivers/telephony/ixj_pcmcia.c b/drivers/telephony/ixj_pcmcia.c index d442fd3..99cb224 100644 --- a/drivers/telephony/ixj_pcmcia.c +++ b/drivers/telephony/ixj_pcmcia.c @@ -22,7 +22,6 @@ typedef struct ixj_info_t { int ndev; - dev_node_t node; struct ixj *port; } ixj_info_t; @@ -155,8 +154,6 @@ static int ixj_config(struct pcmcia_device * link) j = ixj_pcmcia_probe(link->io.BasePort1, link->io.BasePort1 + 0x10); info->ndev = 1; - info->node.major = PHONE_MAJOR; - link->dev_node = &info->node; ixj_get_serial(link, j); return 0; diff --git a/sound/pcmcia/pdaudiocf/pdaudiocf.c b/sound/pcmcia/pdaudiocf/pdaudiocf.c index 60fddf3..df110df 100644 --- a/sound/pcmcia/pdaudiocf/pdaudiocf.c +++ b/sound/pcmcia/pdaudiocf/pdaudiocf.c @@ -234,7 +234,6 @@ static int pdacf_config(struct pcmcia_device *link) if (snd_pdacf_assign_resources(pdacf, link->io.BasePort1, link->irq) < 0) goto failed; - link->dev_node = &pdacf->node; return 0; failed: diff --git a/sound/pcmcia/pdaudiocf/pdaudiocf.h b/sound/pcmcia/pdaudiocf/pdaudiocf.h index b060183..a0a7ec6 100644 --- a/sound/pcmcia/pdaudiocf/pdaudiocf.h +++ b/sound/pcmcia/pdaudiocf/pdaudiocf.h @@ -117,7 +117,6 @@ struct snd_pdacf { /* pcmcia stuff */ struct pcmcia_device *p_dev; - dev_node_t node; }; static inline void pdacf_reg_write(struct snd_pdacf *chip, unsigned char reg, unsigned short val) diff --git a/sound/pcmcia/vx/vxpocket.c b/sound/pcmcia/vx/vxpocket.c index 4198395..5f21d10 100644 --- a/sound/pcmcia/vx/vxpocket.c +++ b/sound/pcmcia/vx/vxpocket.c @@ -210,7 +210,6 @@ static int snd_vxpocket_assign_resources(struct vx_core *chip, int port, int irq static int vxpocket_config(struct pcmcia_device *link) { struct vx_core *chip = link->priv; - struct snd_vxpocket *vxp = (struct snd_vxpocket *)chip; int ret; snd_printdd(KERN_DEBUG "vxpocket_config called\n"); @@ -244,7 +243,6 @@ static int vxpocket_config(struct pcmcia_device *link) if (snd_vxpocket_assign_resources(chip, link->io.BasePort1, link->irq) < 0) goto failed; - link->dev_node = &vxp->node; return 0; failed: diff --git a/sound/pcmcia/vx/vxpocket.h b/sound/pcmcia/vx/vxpocket.h index 27ea002..ea4df16 100644 --- a/sound/pcmcia/vx/vxpocket.h +++ b/sound/pcmcia/vx/vxpocket.h @@ -43,7 +43,6 @@ struct snd_vxpocket { /* pcmcia stuff */ struct pcmcia_device *p_dev; - dev_node_t node; }; extern struct snd_vx_ops snd_vxpocket_ops;