diff options
Diffstat (limited to 'src/devices/device.c')
| -rw-r--r-- | src/devices/device.c | 34 |
1 files changed, 13 insertions, 21 deletions
diff --git a/src/devices/device.c b/src/devices/device.c index c9788211cd..f6c7af48c0 100644 --- a/src/devices/device.c +++ b/src/devices/device.c @@ -43,6 +43,8 @@ struct device *all_devices = &dev_root; /** Pointer to the last device */ extern struct device **last_dev_p; +/** Linked list of free resources */ +struct resource *free_resources = NULL; /** @@ -253,16 +255,15 @@ static void compute_resources(struct bus *bus, struct resource *bridge, /* For each child which is a bridge, compute_resource_needs. */ for (dev = bus->children; dev; dev = dev->sibling) { - unsigned i; struct resource *child_bridge; if (!dev->links) continue; /* Find the resources with matching type flags. */ - for (i = 0; i < dev->resources; i++) { + for (child_bridge = dev->resource_list; child_bridge; + child_bridge = child_bridge->next) { unsigned link; - child_bridge = &dev->resource[i]; if (!(child_bridge->flags & IORESOURCE_BRIDGE) || (child_bridge->flags & type_mask) != type) @@ -502,16 +503,15 @@ static void allocate_resources(struct bus *bus, struct resource *bridge, /* For each child which is a bridge, allocate_resources. */ for (dev = bus->children; dev; dev = dev->sibling) { - unsigned i; struct resource *child_bridge; if (!dev->links) continue; /* Find the resources with matching type flags. */ - for (i = 0; i < dev->resources; i++) { + for (child_bridge = dev->resource_list; child_bridge; + child_bridge = child_bridge->next) { unsigned link; - child_bridge = &dev->resource[i]; if (!(child_bridge->flags & IORESOURCE_BRIDGE) || (child_bridge->flags & type_mask) != type) @@ -556,8 +556,7 @@ static void constrain_resources(struct device *dev, struct constraints* limits) printk(BIOS_SPEW, "%s: %s\n", __func__, dev_path(dev)); /* Constrain limits based on the fixed resources of this device. */ - for (i = 0; i < dev->resources; i++) { - res = &dev->resource[i]; + for (res = dev->resource_list; res; res = res->next) { if (!(res->flags & IORESOURCE_FIXED)) continue; if (!res->size) { @@ -604,7 +603,6 @@ static void avoid_fixed_resources(struct device *dev) { struct constraints limits; struct resource *res; - int i; printk(BIOS_SPEW, "%s: %s\n", __func__, dev_path(dev)); /* Initialize constraints to maximum size. */ @@ -617,8 +615,7 @@ static void avoid_fixed_resources(struct device *dev) limits.mem.limit = 0xffffffffffffffffULL; /* Constrain the limits to dev's initial resources. */ - for (i = 0; i < dev->resources; i++) { - res = &dev->resource[i]; + for (res = dev->resource_list; res; res = res->next) { if ((res->flags & IORESOURCE_FIXED)) continue; printk(BIOS_SPEW, "%s:@%s %02lx limit %08Lx\n", __func__, @@ -638,9 +635,8 @@ static void avoid_fixed_resources(struct device *dev) constrain_resources(dev, &limits); /* Update dev's resources with new limits. */ - for (i = 0; i < dev->resources; i++) { + for (res = dev->resource_list; res; res = res->next) { struct resource *lim; - res = &dev->resource[i]; if ((res->flags & IORESOURCE_FIXED)) continue; @@ -764,7 +760,7 @@ void assign_resources(struct bus *bus) dev_path(bus->dev), bus->secondary, bus->link); for (curdev = bus->children; curdev; curdev = curdev->sibling) { - if (!curdev->enabled || !curdev->resources) { + if (!curdev->enabled || !curdev->resource_list) { continue; } if (!curdev->ops || !curdev->ops->set_resources) { @@ -927,7 +923,6 @@ void dev_configure(void) struct resource *res; struct device *root; struct device *child; - int i; #if CONFIG_VGA_BRIDGE_SETUP == 1 set_vga_bridge_bits(); @@ -954,8 +949,7 @@ void dev_configure(void) for (child = root->link[0].children; child; child = child->sibling) { if (!(child->path.type == DEVICE_PATH_PCI_DOMAIN)) continue; - for (i = 0; i < child->resources; i++) { - res = &child->resource[i]; + for (res = child->resource_list; res; res = res->next) { if (res->flags & IORESOURCE_FIXED) continue; if (res->flags & IORESOURCE_PREFETCH) { @@ -987,8 +981,7 @@ void dev_configure(void) for (child = root->link[0].children; child; child = child->sibling) { if (child->path.type != DEVICE_PATH_PCI_DOMAIN) continue; - for (i = 0; i < child->resources; i++) { - res = &child->resource[i]; + for (res = child->resource_list; res; res = res->next) { if (!(res->flags & IORESOURCE_MEM) || res->flags & IORESOURCE_FIXED) continue; @@ -1001,8 +994,7 @@ void dev_configure(void) for (child = root->link[0].children; child; child = child->sibling) { if (!(child->path.type == DEVICE_PATH_PCI_DOMAIN)) continue; - for (i = 0; i < child->resources; i++) { - res = &child->resource[i]; + for (res = child->resource_list; res; res = res->next) { if (res->flags & IORESOURCE_FIXED) continue; if (res->flags & IORESOURCE_PREFETCH) { |