diff options
Diffstat (limited to 'drivers/pnp')
| -rw-r--r-- | drivers/pnp/resource.c | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/drivers/pnp/resource.c b/drivers/pnp/resource.c index c57cfe51d52..1f4134eea7b 100644 --- a/drivers/pnp/resource.c +++ b/drivers/pnp/resource.c @@ -538,6 +538,44 @@ struct resource *pnp_get_resource(struct pnp_dev *dev, } EXPORT_SYMBOL(pnp_get_resource); +static struct pnp_resource *pnp_new_resource(struct pnp_dev *dev, int type) +{ + struct pnp_resource *pnp_res; + int i; + + switch (type) { + case IORESOURCE_IO: + for (i = 0; i < PNP_MAX_PORT; i++) { + pnp_res = pnp_get_pnp_resource(dev, IORESOURCE_IO, i); + if (pnp_res && !pnp_resource_valid(&pnp_res->res)) + return pnp_res; + } + break; + case IORESOURCE_MEM: + for (i = 0; i < PNP_MAX_MEM; i++) { + pnp_res = pnp_get_pnp_resource(dev, IORESOURCE_MEM, i); + if (pnp_res && !pnp_resource_valid(&pnp_res->res)) + return pnp_res; + } + break; + case IORESOURCE_IRQ: + for (i = 0; i < PNP_MAX_IRQ; i++) { + pnp_res = pnp_get_pnp_resource(dev, IORESOURCE_IRQ, i); + if (pnp_res && !pnp_resource_valid(&pnp_res->res)) + return pnp_res; + } + break; + case IORESOURCE_DMA: + for (i = 0; i < PNP_MAX_DMA; i++) { + pnp_res = pnp_get_pnp_resource(dev, IORESOURCE_DMA, i); + if (pnp_res && !pnp_resource_valid(&pnp_res->res)) + return pnp_res; + } + break; + } + return NULL; +} + /* format is: pnp_reserve_irq=irq1[,irq2] .... */ static int __init pnp_setup_reserve_irq(char *str) { |