diff options
author | Dominik Brodowski <linux@dominikbrodowski.net> | 2005-06-27 23:28:46 (GMT) |
---|---|---|
committer | Linus Torvalds <torvalds@ppc970.osdl.org> | 2005-06-28 01:03:18 (GMT) |
commit | 3c29976a6469b81a7858812dc2d4b8430d74004a (patch) | |
tree | 2a8baf9ad5ffe36b55fd5c0b9f8fcf0e2c67e2f6 /drivers | |
parent | 22916638b124e859b595099bd0c86a1e09e767fb (diff) | |
download | linux-fsl-qoriq-3c29976a6469b81a7858812dc2d4b8430d74004a.tar.xz |
[PATCH] pcmcia: mark parent bridge windows as resources available for PCMCIA devices
Automatically mark the parent PCI-PCI bridge windows as resources available
for PCMCIA usage.
Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'drivers')
-rw-r--r-- | drivers/pcmcia/rsrc_mgr.c | 2 | ||||
-rw-r--r-- | drivers/pcmcia/rsrc_nonstatic.c | 58 |
2 files changed, 59 insertions, 1 deletions
diff --git a/drivers/pcmcia/rsrc_mgr.c b/drivers/pcmcia/rsrc_mgr.c index b6843f8..b9269e6 100644 --- a/drivers/pcmcia/rsrc_mgr.c +++ b/drivers/pcmcia/rsrc_mgr.c @@ -72,7 +72,7 @@ int pcmcia_adjust_resource_info(adjust_t *adj) /* you can't use the old interface if the new * one was used before */ spin_lock_irqsave(&s->lock, flags); - if ((s->resource_setup_done) && + if ((s->resource_setup_new) && !(s->resource_setup_old)) { spin_unlock_irqrestore(&s->lock, flags); continue; diff --git a/drivers/pcmcia/rsrc_nonstatic.c b/drivers/pcmcia/rsrc_nonstatic.c index 6b46360..c8f2179 100644 --- a/drivers/pcmcia/rsrc_nonstatic.c +++ b/drivers/pcmcia/rsrc_nonstatic.c @@ -768,6 +768,58 @@ static int nonstatic_adjust_resource_info(struct pcmcia_socket *s, adjust_t *adj return CS_UNSUPPORTED_FUNCTION; } +#ifdef CONFIG_PCI +static int nonstatic_autoadd_resources(struct pcmcia_socket *s) +{ + struct resource *res; + int i, done = 0; + + if (!s->cb_dev || !s->cb_dev->bus) + return -ENODEV; + + for (i=0; i < PCI_BUS_NUM_RESOURCES; i++) { + res = s->cb_dev->bus->resource[i]; + if (!res) + continue; + + if (res->flags & IORESOURCE_IO) { + if (res == &ioport_resource) + continue; + printk(KERN_INFO "pcmcia: parent PCI bridge I/O window: 0x%lx - 0x%lx\n", + res->start, res->end); + if (!adjust_io(s, ADD_MANAGED_RESOURCE, res->start, res->end)) + done |= IORESOURCE_IO; + + } + + if (res->flags & IORESOURCE_MEM) { + if (res == &iomem_resource) + continue; + printk(KERN_INFO "pcmcia: parent PCI bridge Memory window: 0x%lx - 0x%lx\n", + res->start, res->end); + if (!adjust_memory(s, ADD_MANAGED_RESOURCE, res->start, res->end)) + done |= IORESOURCE_MEM; + } + } + + /* if we got at least one of IO, and one of MEM, we can be glad and + * activate the PCMCIA subsystem */ + if (done & (IORESOURCE_MEM | IORESOURCE_IO)) + s->resource_setup_done = 1; + + return 0; +} + +#else + +static inline int nonstatic_autoadd_resources(struct pcmcia_socket *s) +{ + return -ENODEV; +} + +#endif + + static int nonstatic_init(struct pcmcia_socket *s) { struct socket_data *data; @@ -782,6 +834,8 @@ static int nonstatic_init(struct pcmcia_socket *s) s->resource_data = (void *) data; + nonstatic_autoadd_resources(s); + return 0; } @@ -862,6 +916,8 @@ static ssize_t store_io_db(struct class_device *class_dev, const char *buf, size return -EINVAL; ret = adjust_io(s, add, start_addr, end_addr); + if (!ret) + s->resource_setup_new = 1; return ret ? ret : count; } @@ -912,6 +968,8 @@ static ssize_t store_mem_db(struct class_device *class_dev, const char *buf, siz return -EINVAL; ret = adjust_memory(s, add, start_addr, end_addr); + if (!ret) + s->resource_setup_new = 1; return ret ? ret : count; } |