diff options
Diffstat (limited to 'drivers/pnp/resource.c')
| -rw-r--r-- | drivers/pnp/resource.c | 72 |
1 files changed, 58 insertions, 14 deletions
diff --git a/drivers/pnp/resource.c b/drivers/pnp/resource.c index 64d0596bafb..782e8228957 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> @@ -30,7 +31,7 @@ static int pnp_reserve_mem[16] = {[0 ... 15] = -1 }; /* reserve (don't use) some * option registration */ -struct pnp_option *pnp_build_option(struct pnp_dev *dev, unsigned long type, +static struct pnp_option *pnp_build_option(struct pnp_dev *dev, unsigned long type, unsigned int option_flags) { struct pnp_option *option; @@ -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)) @@ -355,7 +360,7 @@ int pnp_check_irq(struct pnp_dev *dev, struct resource *res) return 1; /* check if the resource is valid */ - if (*irq < 0 || *irq > 15) + if (*irq > 15) return 0; /* check if the resource is reserved */ @@ -380,7 +385,7 @@ int pnp_check_irq(struct pnp_dev *dev, struct resource *res) * device is active because it itself may be in use */ if (!dev->active) { if (request_irq(*irq, pnp_test_handler, - IRQF_DISABLED | IRQF_PROBE_SHARED, "pnp", NULL)) + IRQF_PROBE_SHARED, "pnp", NULL)) return 0; free_irq(*irq, NULL); } @@ -404,9 +409,9 @@ int pnp_check_irq(struct pnp_dev *dev, struct resource *res) return 1; } +#ifdef CONFIG_ISA_DMA_API int pnp_check_dma(struct pnp_dev *dev, struct resource *res) { -#ifndef CONFIG_IA64 int i; struct pnp_dev *tdev; struct resource *tres; @@ -419,7 +424,7 @@ int pnp_check_dma(struct pnp_dev *dev, struct resource *res) return 1; /* check if the resource is valid */ - if (*dma < 0 || *dma == 4 || *dma > 7) + if (*dma == 4 || *dma > 7) return 0; /* check if the resource is reserved */ @@ -461,16 +466,14 @@ int pnp_check_dma(struct pnp_dev *dev, struct resource *res) } return 1; -#else - /* IA64 does not have legacy DMA */ - return 0; -#endif } +#endif /* CONFIG_ISA_DMA_API */ 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, @@ -500,6 +503,23 @@ static struct pnp_resource *pnp_new_resource(struct pnp_dev *dev) return pnp_res; } +struct pnp_resource *pnp_add_resource(struct pnp_dev *dev, + struct resource *res) +{ + struct pnp_resource *pnp_res; + + pnp_res = pnp_new_resource(dev); + if (!pnp_res) { + dev_err(&dev->dev, "can't add resource %pR\n", res); + return NULL; + } + + pnp_res->res = *res; + pnp_res->res.name = dev->name; + dev_dbg(&dev->dev, "%pR\n", res); + return pnp_res; +} + struct pnp_resource *pnp_add_irq_resource(struct pnp_dev *dev, int irq, int flags) { @@ -517,7 +537,7 @@ struct pnp_resource *pnp_add_irq_resource(struct pnp_dev *dev, int irq, res->start = irq; res->end = irq; - pnp_dbg(&dev->dev, " add %pr\n", res); + dev_printk(KERN_DEBUG, &dev->dev, "%pR\n", res); return pnp_res; } @@ -538,7 +558,7 @@ struct pnp_resource *pnp_add_dma_resource(struct pnp_dev *dev, int dma, res->start = dma; res->end = dma; - pnp_dbg(&dev->dev, " add %pr\n", res); + dev_printk(KERN_DEBUG, &dev->dev, "%pR\n", res); return pnp_res; } @@ -562,7 +582,7 @@ struct pnp_resource *pnp_add_io_resource(struct pnp_dev *dev, res->start = start; res->end = end; - pnp_dbg(&dev->dev, " add %pr\n", res); + dev_printk(KERN_DEBUG, &dev->dev, "%pR\n", res); return pnp_res; } @@ -586,7 +606,31 @@ struct pnp_resource *pnp_add_mem_resource(struct pnp_dev *dev, res->start = start; res->end = end; - pnp_dbg(&dev->dev, " add %pr\n", res); + dev_printk(KERN_DEBUG, &dev->dev, "%pR\n", res); + 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; + + dev_printk(KERN_DEBUG, &dev->dev, "%pR\n", res); return pnp_res; } |