From 49b1153adfe18a3cce7e70aa26c690f275917cd0 Mon Sep 17 00:00:00 2001 From: Dominik Brodowski Date: Sun, 7 Mar 2010 16:41:57 +0100 Subject: pcmcia: move all pcmcia_resource_ops providers into one module Signed-off-by: Dominik Brodowski --- drivers/pcmcia/rsrc_mgr.c | 110 ++++++---------------------------------------- 1 file changed, 13 insertions(+), 97 deletions(-) (limited to 'drivers/pcmcia/rsrc_mgr.c') diff --git a/drivers/pcmcia/rsrc_mgr.c b/drivers/pcmcia/rsrc_mgr.c index ffa5f3cae57..71838cae890 100644 --- a/drivers/pcmcia/rsrc_mgr.c +++ b/drivers/pcmcia/rsrc_mgr.c @@ -22,7 +22,7 @@ #include #include "cs_internal.h" -static int static_init(struct pcmcia_socket *s) +int static_init(struct pcmcia_socket *s) { /* the good thing about SS_CAP_STATIC_MAP sockets is * that they don't need a resource database */ @@ -32,118 +32,34 @@ static int static_init(struct pcmcia_socket *s) return 0; } - -struct pccard_resource_ops pccard_static_ops = { - .validate_mem = NULL, - .adjust_io_region = NULL, - .find_io = NULL, - .find_mem = NULL, - .add_io = NULL, - .add_mem = NULL, - .init = static_init, - .exit = NULL, -}; -EXPORT_SYMBOL(pccard_static_ops); - - -#ifdef CONFIG_PCCARD_IODYN - -static struct resource * -make_resource(unsigned long b, unsigned long n, int flags, char *name) +struct resource *pcmcia_make_resource(unsigned long start, unsigned long end, + int flags, const char *name) { struct resource *res = kzalloc(sizeof(*res), GFP_KERNEL); if (res) { res->name = name; - res->start = b; - res->end = b + n - 1; + res->start = start; + res->end = start + end - 1; res->flags = flags; } return res; } -struct pcmcia_align_data { - unsigned long mask; - unsigned long offset; -}; - -static resource_size_t pcmcia_align(void *align_data, - const struct resource *res, - resource_size_t size, resource_size_t align) -{ - struct pcmcia_align_data *data = align_data; - resource_size_t start; - - start = (res->start & ~data->mask) + data->offset; - if (start < res->start) - start += data->mask + 1; - -#ifdef CONFIG_X86 - if (res->flags & IORESOURCE_IO) { - if (start & 0x300) - start = (start + 0x3ff) & ~0x3ff; - } -#endif - -#ifdef CONFIG_M68K - if (res->flags & IORESOURCE_IO) { - if ((res->start + size - 1) >= 1024) - start = res->end; - } -#endif - - return start; -} - - -static int iodyn_adjust_io_region(struct resource *res, unsigned long r_start, - unsigned long r_end, struct pcmcia_socket *s) -{ - return adjust_resource(res, r_start, r_end - r_start + 1); -} - - -static struct resource *iodyn_find_io_region(unsigned long base, int num, - unsigned long align, struct pcmcia_socket *s) -{ - struct resource *res = make_resource(0, num, IORESOURCE_IO, - dev_name(&s->dev)); - struct pcmcia_align_data data; - unsigned long min = base; - int ret; - - if (align == 0) - align = 0x10000; - data.mask = align - 1; - data.offset = base & data.mask; - -#ifdef CONFIG_PCI - if (s->cb_dev) { - ret = pci_bus_alloc_resource(s->cb_dev->bus, res, num, 1, - min, 0, pcmcia_align, &data); - } else -#endif - ret = allocate_resource(&ioport_resource, res, num, min, ~0UL, - 1, pcmcia_align, &data); - - if (ret != 0) { - kfree(res); - res = NULL; - } - return res; -} - -struct pccard_resource_ops pccard_iodyn_ops = { +struct pccard_resource_ops pccard_static_ops = { .validate_mem = NULL, - .adjust_io_region = iodyn_adjust_io_region, - .find_io = iodyn_find_io_region, + .adjust_io_region = NULL, + .find_io = NULL, .find_mem = NULL, .add_io = NULL, .add_mem = NULL, .init = static_init, .exit = NULL, }; -EXPORT_SYMBOL(pccard_iodyn_ops); +EXPORT_SYMBOL(pccard_static_ops); + -#endif /* CONFIG_PCCARD_IODYN */ +MODULE_AUTHOR("David A. Hinds, Dominik Brodowski"); +MODULE_LICENSE("GPL"); +MODULE_ALIAS("rsrc_nonstatic"); -- cgit v1.2.3-18-g5258 From b19a7275dec4b470ea9abaae6129d21a0d75ab2f Mon Sep 17 00:00:00 2001 From: Dominik Brodowski Date: Sat, 20 Mar 2010 13:10:47 +0100 Subject: pcmcia: clarify alloc_io_space, move it to resource handlers Clean up the alloc_io_space() function by moving most of it to the actual resource_ops. This allows for a bit less re-directions. Future cleanups will follow, and will make up for the code duplication currently present between rsrc_iodyn and rsrc_nonstatic (which are hardly ever built at the same time anyway, therefore no increase in built size). Signed-off-by: Dominik Brodowski --- drivers/pcmcia/rsrc_mgr.c | 14 ++++++++++++-- 1 file changed, 12 insertions(+), 2 deletions(-) (limited to 'drivers/pcmcia/rsrc_mgr.c') diff --git a/drivers/pcmcia/rsrc_mgr.c b/drivers/pcmcia/rsrc_mgr.c index 71838cae890..142efac3c38 100644 --- a/drivers/pcmcia/rsrc_mgr.c +++ b/drivers/pcmcia/rsrc_mgr.c @@ -46,11 +46,21 @@ struct resource *pcmcia_make_resource(unsigned long start, unsigned long end, return res; } +static int static_find_io(struct pcmcia_socket *s, unsigned int attr, + unsigned int *base, unsigned int num, + unsigned int align) +{ + if (!s->io_offset) + return -EINVAL; + *base = s->io_offset | (*base & 0x0fff); + + return 0; +} + struct pccard_resource_ops pccard_static_ops = { .validate_mem = NULL, - .adjust_io_region = NULL, - .find_io = NULL, + .find_io = static_find_io, .find_mem = NULL, .add_io = NULL, .add_mem = NULL, -- cgit v1.2.3-18-g5258