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authorBjorn Helgaas <bjorn.helgaas@hp.com>2008-04-29 02:34:36 +0400
committerLen Brown <len.brown@intel.com>2008-04-29 11:22:29 +0400
commitcc8c2e308194f0997c718c7c735550ff06754d20 (patch)
tree1464d278291fd285653ff026f62c5f4f6d75286c /drivers/pnp/resource.c
parentdc16f5f2ede8cc2acf8ac22857a7fecf3a4296c2 (diff)
downloadlinux-cc8c2e308194f0997c718c7c735550ff06754d20.tar.xz
PNP: make generic pnp_add_io_resource()
Add a pnp_add_io_resource() that can be used by all the PNP backends. This consolidates a little more pnp_resource_table knowledge into one place. Signed-off-by: Bjorn Helgaas <bjorn.helgaas@hp.com> Signed-off-by: Len Brown <len.brown@intel.com>
Diffstat (limited to 'drivers/pnp/resource.c')
-rw-r--r--drivers/pnp/resource.c29
1 files changed, 29 insertions, 0 deletions
diff --git a/drivers/pnp/resource.c b/drivers/pnp/resource.c
index 2a8612e31ab7..64387b70026a 100644
--- a/drivers/pnp/resource.c
+++ b/drivers/pnp/resource.c
@@ -628,6 +628,35 @@ struct pnp_resource *pnp_add_dma_resource(struct pnp_dev *dev, int dma,
return pnp_res;
}
+struct pnp_resource *pnp_add_io_resource(struct pnp_dev *dev,
+ resource_size_t start,
+ resource_size_t end, int flags)
+{
+ struct pnp_resource *pnp_res;
+ struct resource *res;
+ static unsigned char warned;
+
+ pnp_res = pnp_new_resource(dev, IORESOURCE_IO);
+ if (!pnp_res) {
+ if (!warned) {
+ dev_err(&dev->dev, "can't add resource for IO "
+ "%#llx-%#llx\n",(unsigned long long) start,
+ (unsigned long long) end);
+ warned = 1;
+ }
+ return NULL;
+ }
+
+ res = &pnp_res->res;
+ res->flags = IORESOURCE_IO | flags;
+ res->start = start;
+ res->end = end;
+
+ dev_dbg(&dev->dev, " add io %#llx-%#llx flags %#x\n",
+ (unsigned long long) start, (unsigned long long) end, flags);
+ return pnp_res;
+}
+
/* format is: pnp_reserve_irq=irq1[,irq2] .... */
static int __init pnp_setup_reserve_irq(char *str)
{