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authorBjorn Helgaas <bjorn.helgaas@hp.com>2008-04-28 16:34:34 -0600
committerLen Brown <len.brown@intel.com>2008-04-29 03:22:28 -0400
commitdbddd0383c59d588f8db5e773b062756e39117ec (patch)
tree77009fb218b4fc21090ae83105aa0f84664ae61c /drivers/pnp/pnpbios
parenta50b6d7b8d7e1a8b13bd1be65a865b115e1190d9 (diff)
downloadlinux-dbddd0383c59d588f8db5e773b062756e39117ec.tar.bz2
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/pnpbios')
-rw-r--r--drivers/pnp/pnpbios/rsparser.c31
1 files changed, 7 insertions, 24 deletions
diff --git a/drivers/pnp/pnpbios/rsparser.c b/drivers/pnp/pnpbios/rsparser.c
index d3b0a4e53692..845730c57edc 100644
--- a/drivers/pnp/pnpbios/rsparser.c
+++ b/drivers/pnp/pnpbios/rsparser.c
@@ -54,28 +54,6 @@ inline void pcibios_penalize_isa_irq(int irq, int active)
* Allocated Resources
*/
-static void pnpbios_parse_allocated_irqresource(struct pnp_dev *dev, int irq)
-{
- struct resource *res;
- int i;
-
- for (i = 0; i < PNP_MAX_IRQ; i++) {
- res = pnp_get_resource(dev, IORESOURCE_IRQ, i);
- if (!pnp_resource_valid(res))
- break;
- }
-
- if (i < PNP_MAX_IRQ) {
- res->flags = IORESOURCE_IRQ; // Also clears _UNSET flag
- if (irq == -1) {
- res->flags |= IORESOURCE_DISABLED;
- return;
- }
- res->start = res->end = (unsigned long)irq;
- pcibios_penalize_isa_irq(irq, 1);
- }
-}
-
static void pnpbios_parse_allocated_dmaresource(struct pnp_dev *dev, int dma)
{
struct resource *res;
@@ -148,7 +126,7 @@ static unsigned char *pnpbios_parse_allocated_resource_data(struct pnp_dev *dev,
unsigned char *end)
{
unsigned int len, tag;
- int io, size, mask, i;
+ int io, size, mask, i, flags;
if (!p)
return NULL;
@@ -205,12 +183,17 @@ static unsigned char *pnpbios_parse_allocated_resource_data(struct pnp_dev *dev,
case SMALL_TAG_IRQ:
if (len < 2 || len > 3)
goto len_err;
+ flags = 0;
io = -1;
mask = p[1] + p[2] * 256;
for (i = 0; i < 16; i++, mask = mask >> 1)
if (mask & 0x01)
io = i;
- pnpbios_parse_allocated_irqresource(dev, io);
+ if (io != -1)
+ pcibios_penalize_isa_irq(io, 1);
+ else
+ flags = IORESOURCE_DISABLED;
+ pnp_add_irq_resource(dev, io, flags);
break;
case SMALL_TAG_DMA: