X-Git-Url: http://git.rot13.org/?a=blobdiff_plain;f=drivers%2Fpcmcia%2Fcistpl.c;h=3afb682255a04d112dfa1a34f5bc4aac4d4e4b5f;hb=881787a7d379a4a4474e94fce87b511a7f641595;hp=dd7651ff5b4386f18a6a28844716dfe11d7e5fbf;hpb=b3539219c9ea20ebf6a5ea3cc534f423a3607c41;p=powerpc.git diff --git a/drivers/pcmcia/cistpl.c b/drivers/pcmcia/cistpl.c index dd7651ff5b..3afb682255 100644 --- a/drivers/pcmcia/cistpl.c +++ b/drivers/pcmcia/cistpl.c @@ -88,31 +88,38 @@ EXPORT_SYMBOL(release_cis_mem); static void __iomem * set_cis_map(struct pcmcia_socket *s, unsigned int card_offset, unsigned int flags) { - pccard_mem_map *mem = &s->cis_mem; - int ret; + pccard_mem_map *mem = &s->cis_mem; + int ret; + + if (!(s->features & SS_CAP_STATIC_MAP) && (mem->res == NULL)) { + mem->res = pcmcia_find_mem_region(0, s->map_size, s->map_size, 0, s); + if (mem->res == NULL) { + printk(KERN_NOTICE "cs: unable to map card memory!\n"); + return NULL; + } + s->cis_virt = NULL; + } - if (!(s->features & SS_CAP_STATIC_MAP) && mem->res == NULL) { - mem->res = pcmcia_find_mem_region(0, s->map_size, s->map_size, 0, s); - if (mem->res == NULL) { - printk(KERN_NOTICE "cs: unable to map card memory!\n"); - return NULL; + if (!(s->features & SS_CAP_STATIC_MAP) && (!s->cis_virt)) + s->cis_virt = ioremap(mem->res->start, s->map_size); + + mem->card_start = card_offset; + mem->flags = flags; + + ret = s->ops->set_mem_map(s, mem); + if (ret) { + iounmap(s->cis_virt); + s->cis_virt = NULL; + return NULL; } - s->cis_virt = ioremap(mem->res->start, s->map_size); - } - mem->card_start = card_offset; - mem->flags = flags; - ret = s->ops->set_mem_map(s, mem); - if (ret) { - iounmap(s->cis_virt); - return NULL; - } - if (s->features & SS_CAP_STATIC_MAP) { - if (s->cis_virt) - iounmap(s->cis_virt); - s->cis_virt = ioremap(mem->static_start, s->map_size); - } - return s->cis_virt; + if (s->features & SS_CAP_STATIC_MAP) { + if (s->cis_virt) + iounmap(s->cis_virt); + s->cis_virt = ioremap(mem->static_start, s->map_size); + } + + return s->cis_virt; } /*======================================================================