diff options
Diffstat (limited to 'drivers/pnp/resource.c')
| -rw-r--r-- | drivers/pnp/resource.c | 32 |
1 files changed, 31 insertions, 1 deletions
diff --git a/drivers/pnp/resource.c b/drivers/pnp/resource.c index 64d0596bafb..e3446ab8b56 100644 --- a/drivers/pnp/resource.c +++ b/drivers/pnp/resource.c @@ -8,6 +8,7 @@ */ #include <linux/module.h> +#include <linux/slab.h> #include <linux/errno.h> #include <linux/interrupt.h> #include <linux/kernel.h> @@ -210,6 +211,8 @@ int pnp_check_port(struct pnp_dev *dev, struct resource *res) if (tres->flags & IORESOURCE_IO) { if (cannot_compare(tres->flags)) continue; + if (tres->flags & IORESOURCE_WINDOW) + continue; tport = &tres->start; tend = &tres->end; if (ranged_conflict(port, end, tport, tend)) @@ -270,6 +273,8 @@ int pnp_check_mem(struct pnp_dev *dev, struct resource *res) if (tres->flags & IORESOURCE_MEM) { if (cannot_compare(tres->flags)) continue; + if (tres->flags & IORESOURCE_WINDOW) + continue; taddr = &tres->start; tend = &tres->end; if (ranged_conflict(addr, end, taddr, tend)) @@ -470,7 +475,8 @@ int pnp_check_dma(struct pnp_dev *dev, struct resource *res) unsigned long pnp_resource_type(struct resource *res) { return res->flags & (IORESOURCE_IO | IORESOURCE_MEM | - IORESOURCE_IRQ | IORESOURCE_DMA); + IORESOURCE_IRQ | IORESOURCE_DMA | + IORESOURCE_BUS); } struct resource *pnp_get_resource(struct pnp_dev *dev, @@ -590,6 +596,30 @@ struct pnp_resource *pnp_add_mem_resource(struct pnp_dev *dev, return pnp_res; } +struct pnp_resource *pnp_add_bus_resource(struct pnp_dev *dev, + resource_size_t start, + resource_size_t end) +{ + struct pnp_resource *pnp_res; + struct resource *res; + + pnp_res = pnp_new_resource(dev); + if (!pnp_res) { + dev_err(&dev->dev, "can't add resource for BUS %#llx-%#llx\n", + (unsigned long long) start, + (unsigned long long) end); + return NULL; + } + + res = &pnp_res->res; + res->flags = IORESOURCE_BUS; + res->start = start; + res->end = end; + + pnp_dbg(&dev->dev, " add %pr\n", res); + return pnp_res; +} + /* * Determine whether the specified resource is a possible configuration * for this device. |