diff options
author | Dominik Brodowski <linux@dominikbrodowski.net> | 2006-03-31 17:26:06 +0200 |
---|---|---|
committer | Dominik Brodowski <linux@dominikbrodowski.net> | 2006-03-31 17:26:06 +0200 |
commit | 15b99ac1729503db9e6dc642a50b9b6cb3bf51f9 (patch) | |
tree | cfb8897487beba502aac2b28bc35066a87e34299 /drivers/mtd | |
parent | fba395eee7d3f342ca739c20f5b3ee635d0420a0 (diff) | |
download | op-kernel-dev-15b99ac1729503db9e6dc642a50b9b6cb3bf51f9.zip op-kernel-dev-15b99ac1729503db9e6dc642a50b9b6cb3bf51f9.tar.gz |
[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/mtd')
-rw-r--r-- | drivers/mtd/maps/pcmciamtd.c | 23 |
1 files changed, 11 insertions, 12 deletions
diff --git a/drivers/mtd/maps/pcmciamtd.c b/drivers/mtd/maps/pcmciamtd.c index e9086f0..466f558 100644 --- a/drivers/mtd/maps/pcmciamtd.c +++ b/drivers/mtd/maps/pcmciamtd.c @@ -487,7 +487,7 @@ static void card_settings(struct pcmciamtd_dev *dev, 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 pcmciamtd_config(struct pcmcia_device *link) +static int pcmciamtd_config(struct pcmcia_device *link) { struct pcmciamtd_dev *dev = link->priv; struct mtd_info *mtd = NULL; @@ -561,7 +561,7 @@ static void pcmciamtd_config(struct pcmcia_device *link) if(!dev->win_size) { err("Cant allocate memory window"); pcmciamtd_release(link); - return; + return -ENODEV; } DEBUG(1, "Allocated a window of %dKiB", dev->win_size >> 10); @@ -573,7 +573,7 @@ static void pcmciamtd_config(struct pcmcia_device *link) if(!dev->win_base) { err("ioremap(%lu, %u) failed", req.Base, req.Size); pcmciamtd_release(link); - return; + return -ENODEV; } DEBUG(1, "mapped window dev = %p req.base = 0x%lx base = %p size = 0x%x", dev, req.Base, dev->win_base, req.Size); @@ -605,6 +605,7 @@ static void pcmciamtd_config(struct pcmcia_device *link) ret = pcmcia_request_configuration(link, &link->conf); if(ret != CS_SUCCESS) { cs_error(link, RequestConfiguration, ret); + return -ENODEV; } if(mem_type == 1) { @@ -625,7 +626,7 @@ static void pcmciamtd_config(struct pcmcia_device *link) if(!mtd) { DEBUG(1, "Cant find an MTD"); pcmciamtd_release(link); - return; + return -ENODEV; } dev->mtd_info = mtd; @@ -668,19 +669,19 @@ static void pcmciamtd_config(struct pcmcia_device *link) dev->mtd_info = NULL; err("Couldnt register MTD device"); pcmciamtd_release(link); - return; + 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->state &= ~DEV_CONFIG_PENDING; link->dev_node = &dev->node; - return; + return 0; cs_failed: cs_error(link, last_fn, last_ret); err("CS Error, exiting"); pcmciamtd_release(link); - return; + return -ENODEV; } @@ -730,7 +731,7 @@ static void pcmciamtd_detach(struct pcmcia_device *link) * with Card Services. */ -static int pcmciamtd_attach(struct pcmcia_device *link) +static int pcmciamtd_probe(struct pcmcia_device *link) { struct pcmciamtd_dev *dev; @@ -747,9 +748,7 @@ static int pcmciamtd_attach(struct pcmcia_device *link) link->conf.IntType = INT_MEMORY; link->state |= DEV_PRESENT | DEV_CONFIG_PENDING; - pcmciamtd_config(link); - - return 0; + return pcmciamtd_config(link); } static struct pcmcia_device_id pcmciamtd_ids[] = { @@ -783,7 +782,7 @@ static struct pcmcia_driver pcmciamtd_driver = { .drv = { .name = "pcmciamtd" }, - .probe = pcmciamtd_attach, + .probe = pcmciamtd_probe, .remove = pcmciamtd_detach, .owner = THIS_MODULE, .id_table = pcmciamtd_ids, |