diff options
author | Dominik Brodowski <linux@dominikbrodowski.net> | 2006-03-31 19:26:06 +0400 |
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committer | Dominik Brodowski <linux@dominikbrodowski.net> | 2006-03-31 19:26:06 +0400 |
commit | 15b99ac1729503db9e6dc642a50b9b6cb3bf51f9 (patch) | |
tree | cfb8897487beba502aac2b28bc35066a87e34299 /drivers/scsi/pcmcia/fdomain_stub.c | |
parent | fba395eee7d3f342ca739c20f5b3ee635d0420a0 (diff) | |
download | linux-15b99ac1729503db9e6dc642a50b9b6cb3bf51f9.tar.xz |
[PATCH] pcmcia: add return value to _config() functions
Most of the driver initialization isn't done in the .probe function, but in
the internal _config() functions. Make them return a value, so that .probe
can properly report whether the probing of the device succeeded or not.
Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
Diffstat (limited to 'drivers/scsi/pcmcia/fdomain_stub.c')
-rw-r--r-- | drivers/scsi/pcmcia/fdomain_stub.c | 73 |
1 files changed, 36 insertions, 37 deletions
diff --git a/drivers/scsi/pcmcia/fdomain_stub.c b/drivers/scsi/pcmcia/fdomain_stub.c index 4e6927112c05..80afd3e879cc 100644 --- a/drivers/scsi/pcmcia/fdomain_stub.c +++ b/drivers/scsi/pcmcia/fdomain_stub.c @@ -81,33 +81,32 @@ typedef struct scsi_info_t { static void fdomain_release(struct pcmcia_device *link); static void fdomain_detach(struct pcmcia_device *p_dev); -static void fdomain_config(struct pcmcia_device *link); +static int fdomain_config(struct pcmcia_device *link); -static int fdomain_attach(struct pcmcia_device *link) +static int fdomain_probe(struct pcmcia_device *link) { - scsi_info_t *info; - - DEBUG(0, "fdomain_attach()\n"); - - /* Create new SCSI device */ - info = kmalloc(sizeof(*info), GFP_KERNEL); - if (!info) return -ENOMEM; - memset(info, 0, sizeof(*info)); - info->p_dev = link; - link->priv = info; - link->io.NumPorts1 = 0x10; - link->io.Attributes1 = IO_DATA_PATH_WIDTH_AUTO; - link->io.IOAddrLines = 10; - link->irq.Attributes = IRQ_TYPE_EXCLUSIVE; - link->irq.IRQInfo1 = IRQ_LEVEL_ID; - link->conf.Attributes = CONF_ENABLE_IRQ; - link->conf.IntType = INT_MEMORY_AND_IO; - link->conf.Present = PRESENT_OPTION; - - link->state |= DEV_PRESENT | DEV_CONFIG_PENDING; - fdomain_config(link); - - return 0; + scsi_info_t *info; + + DEBUG(0, "fdomain_attach()\n"); + + /* Create new SCSI device */ + info = kzalloc(sizeof(*info), GFP_KERNEL); + if (!info) + return -ENOMEM; + + info->p_dev = link; + link->priv = info; + link->io.NumPorts1 = 0x10; + link->io.Attributes1 = IO_DATA_PATH_WIDTH_AUTO; + link->io.IOAddrLines = 10; + link->irq.Attributes = IRQ_TYPE_EXCLUSIVE; + link->irq.IRQInfo1 = IRQ_LEVEL_ID; + link->conf.Attributes = CONF_ENABLE_IRQ; + link->conf.IntType = INT_MEMORY_AND_IO; + link->conf.Present = PRESENT_OPTION; + + link->state |= DEV_PRESENT | DEV_CONFIG_PENDING; + return fdomain_config(link); } /* fdomain_attach */ /*====================================================================*/ @@ -127,7 +126,7 @@ static void fdomain_detach(struct pcmcia_device *link) #define CS_CHECK(fn, ret) \ do { last_fn = (fn); if ((last_ret = (ret)) != 0) goto cs_failed; } while (0) -static void fdomain_config(struct pcmcia_device *link) +static int fdomain_config(struct pcmcia_device *link) { scsi_info_t *info = link->priv; tuple_t tuple; @@ -150,7 +149,7 @@ static void fdomain_config(struct pcmcia_device *link) /* Configure card */ link->state |= DEV_CONFIG; - + tuple.DesiredTuple = CISTPL_CFTABLE_ENTRY; CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(link, &tuple)); while (1) { @@ -167,35 +166,35 @@ static void fdomain_config(struct pcmcia_device *link) CS_CHECK(RequestIRQ, pcmcia_request_irq(link, &link->irq)); CS_CHECK(RequestConfiguration, pcmcia_request_configuration(link, &link->conf)); - + /* A bad hack... */ release_region(link->io.BasePort1, link->io.NumPorts1); /* Set configuration options for the fdomain driver */ sprintf(str, "%d,%d", link->io.BasePort1, link->irq.AssignedIRQ); fdomain_setup(str); - + host = __fdomain_16x0_detect(&fdomain_driver_template); if (!host) { printk(KERN_INFO "fdomain_cs: no SCSI devices found\n"); goto cs_failed; } - - scsi_add_host(host, NULL); /* XXX handle failure */ + + if (scsi_add_host(host, NULL)) + goto cs_failed; scsi_scan_host(host); sprintf(info->node.dev_name, "scsi%d", host->host_no); link->dev_node = &info->node; info->host = host; - + link->state &= ~DEV_CONFIG_PENDING; - return; - + return 0; + cs_failed: cs_error(link, last_fn, last_ret); fdomain_release(link); - return; - + return -ENODEV; } /* fdomain_config */ /*====================================================================*/ @@ -234,7 +233,7 @@ static struct pcmcia_driver fdomain_cs_driver = { .drv = { .name = "fdomain_cs", }, - .probe = fdomain_attach, + .probe = fdomain_probe, .remove = fdomain_detach, .id_table = fdomain_ids, .resume = fdomain_resume, |