diff options
Diffstat (limited to 'drivers/pcmcia')
| -rw-r--r-- | drivers/pcmcia/yenta_socket.c | 41 |
1 files changed, 18 insertions, 23 deletions
diff --git a/drivers/pcmcia/yenta_socket.c b/drivers/pcmcia/yenta_socket.c index 0347a29..271a52b 100644 --- a/drivers/pcmcia/yenta_socket.c +++ b/drivers/pcmcia/yenta_socket.c @@ -667,7 +667,7 @@ static int yenta_search_res(struct yenta_socket *socket, struct resource *res, return 0; } -static void yenta_allocate_res(struct yenta_socket *socket, int nr, unsigned type, int addr_start, int addr_end) +static int yenta_allocate_res(struct yenta_socket *socket, int nr, unsigned type, int addr_start, int addr_end) { struct resource *root, *res; struct pci_bus_region region; @@ -676,7 +676,7 @@ static void yenta_allocate_res(struct yenta_socket *socket, int nr, unsigned typ res = socket->dev->resource + PCI_BRIDGE_RESOURCES + nr; /* Already allocated? */ if (res->parent) - return; + return 0; /* The granularity of the memory limit is 4kB, on IO it's 4 bytes */ mask = ~0xfff; @@ -692,7 +692,7 @@ static void yenta_allocate_res(struct yenta_socket *socket, int nr, unsigned typ pcibios_bus_to_resource(socket->dev, res, ®ion); root = pci_find_parent_resource(socket->dev, res); if (root && (request_resource(root, res) == 0)) - return; + return 0; printk(KERN_INFO "yenta %s: Preassigned resource %d busy or not available, reconfiguring...\n", pci_name(socket->dev), nr); } @@ -700,35 +700,27 @@ static void yenta_allocate_res(struct yenta_socket *socket, int nr, unsigned typ if (type & IORESOURCE_IO) { if ((yenta_search_res(socket, res, BRIDGE_IO_MAX)) || (yenta_search_res(socket, res, BRIDGE_IO_ACC)) || - (yenta_search_res(socket, res, BRIDGE_IO_MIN))) { - config_writel(socket, addr_start, res->start); - config_writel(socket, addr_end, res->end); - return; - } + (yenta_search_res(socket, res, BRIDGE_IO_MIN))) + return 1; } else { if (type & IORESOURCE_PREFETCH) { if ((yenta_search_res(socket, res, BRIDGE_MEM_MAX)) || (yenta_search_res(socket, res, BRIDGE_MEM_ACC)) || - (yenta_search_res(socket, res, BRIDGE_MEM_MIN))) { - config_writel(socket, addr_start, res->start); - config_writel(socket, addr_end, res->end); - return; - } + (yenta_search_res(socket, res, BRIDGE_MEM_MIN))) + return 1; /* Approximating prefetchable by non-prefetchable */ res->flags = IORESOURCE_MEM; } if ((yenta_search_res(socket, res, BRIDGE_MEM_MAX)) || (yenta_search_res(socket, res, BRIDGE_MEM_ACC)) || - (yenta_search_res(socket, res, BRIDGE_MEM_MIN))) { - config_writel(socket, addr_start, res->start); - config_writel(socket, addr_end, res->end); - return; - } + (yenta_search_res(socket, res, BRIDGE_MEM_MIN))) + return 1; } printk(KERN_INFO "yenta %s: no resource of type %x available, trying to continue...\n", pci_name(socket->dev), type); res->start = res->end = res->flags = 0; + return 0; } /* @@ -736,14 +728,17 @@ static void yenta_allocate_res(struct yenta_socket *socket, int nr, unsigned typ */ static void yenta_allocate_resources(struct yenta_socket *socket) { - yenta_allocate_res(socket, 0, IORESOURCE_IO, + int program = 0; + program += yenta_allocate_res(socket, 0, IORESOURCE_IO, PCI_CB_IO_BASE_0, PCI_CB_IO_LIMIT_0); - yenta_allocate_res(socket, 1, IORESOURCE_IO, + program += yenta_allocate_res(socket, 1, IORESOURCE_IO, PCI_CB_IO_BASE_1, PCI_CB_IO_LIMIT_1); - yenta_allocate_res(socket, 2, IORESOURCE_MEM|IORESOURCE_PREFETCH, + program += yenta_allocate_res(socket, 2, IORESOURCE_MEM|IORESOURCE_PREFETCH, PCI_CB_MEMORY_BASE_0, PCI_CB_MEMORY_LIMIT_0); - yenta_allocate_res(socket, 3, IORESOURCE_MEM, + program += yenta_allocate_res(socket, 3, IORESOURCE_MEM, PCI_CB_MEMORY_BASE_1, PCI_CB_MEMORY_LIMIT_1); + if (program) + pci_setup_cardbus(socket->dev->subordinate); } @@ -758,7 +753,7 @@ static void yenta_free_resources(struct yenta_socket *socket) res = socket->dev->resource + PCI_BRIDGE_RESOURCES + i; if (res->start != 0 && res->end != 0) release_resource(res); - res->start = res->end = 0; + res->start = res->end = res->flags = 0; } } |