diff options
| author | Bjorn Helgaas <bjorn.helgaas@hp.com> | 2008-04-29 00:34:34 +0200 |
|---|---|---|
| committer | Len Brown <len.brown@intel.com> | 2008-04-29 09:22:28 +0200 |
| commit | dbddd0383c59d588f8db5e773b062756e39117ec (patch) | |
| tree | 77009fb218b4fc21090ae83105aa0f84664ae61c /drivers/pnp/resource.c | |
| parent | PNP: add pnp_new_resource() to find a new unset pnp_resource (diff) | |
| download | linux-dbddd0383c59d588f8db5e773b062756e39117ec.tar.xz linux-dbddd0383c59d588f8db5e773b062756e39117ec.zip | |
PNP: make generic pnp_add_irq_resource()
Add a pnp_add_irq_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.c | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/drivers/pnp/resource.c b/drivers/pnp/resource.c index 1f4134eea7b7..082a556b9dcc 100644 --- a/drivers/pnp/resource.c +++ b/drivers/pnp/resource.c @@ -576,6 +576,32 @@ static struct pnp_resource *pnp_new_resource(struct pnp_dev *dev, int type) return NULL; } +struct pnp_resource *pnp_add_irq_resource(struct pnp_dev *dev, int irq, + int flags) +{ + struct pnp_resource *pnp_res; + struct resource *res; + static unsigned char warned; + + pnp_res = pnp_new_resource(dev, IORESOURCE_IRQ); + if (!pnp_res) { + if (!warned) { + dev_err(&dev->dev, "can't add resource for IRQ %d\n", + irq); + warned = 1; + } + return NULL; + } + + res = &pnp_res->res; + res->flags = IORESOURCE_IRQ | flags; + res->start = irq; + res->end = irq; + + dev_dbg(&dev->dev, " add irq %d flags %#x\n", irq, flags); + return pnp_res; +} + /* format is: pnp_reserve_irq=irq1[,irq2] .... */ static int __init pnp_setup_reserve_irq(char *str) { |