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authorBjorn Helgaas <bjorn.helgaas@hp.com>2008-12-08 21:31:27 -0700
committerLen Brown <len.brown@intel.com>2008-12-30 21:44:52 -0500
commit4eaf6db3ea0edf7e011a613b5a15360444e58fec (patch)
tree05e10e074d677f6707c2e5d47003fc9bb42d97a1 /drivers/acpi/pci_irq.c
parent3604a9f445afde2801b8c24b63dd289c33e290a6 (diff)
downloadlinux-linaro-stable-4eaf6db3ea0edf7e011a613b5a15360444e58fec.tar.gz
ACPI: PCI: simplify struct acpi_prt_entry
Remove unused "irq" field, remove unnecessary struct, rename "handle" to "link". Signed-off-by: Bjorn Helgaas <bjorn.helgaas@hp.com> Signed-off-by: Len Brown <len.brown@intel.com>
Diffstat (limited to 'drivers/acpi/pci_irq.c')
-rw-r--r--drivers/acpi/pci_irq.c35
1 files changed, 15 insertions, 20 deletions
diff --git a/drivers/acpi/pci_irq.c b/drivers/acpi/pci_irq.c
index 42b195ed7922..643c4e864298 100644
--- a/drivers/acpi/pci_irq.c
+++ b/drivers/acpi/pci_irq.c
@@ -45,11 +45,8 @@ struct acpi_prt_entry {
struct list_head list;
struct acpi_pci_id id;
u8 pin;
- struct {
- acpi_handle handle;
- u32 index;
- } link;
- u32 irq;
+ acpi_handle link;
+ u32 index; /* GSI, or link _CRS index */
};
static LIST_HEAD(acpi_prt_list);
@@ -205,6 +202,8 @@ acpi_pci_irq_add_entry(acpi_handle handle,
do_prt_fixups(entry, prt);
+ entry->index = prt->source_index;
+
/*
* Type 1: Dynamic
* ---------------
@@ -218,10 +217,9 @@ acpi_pci_irq_add_entry(acpi_handle handle,
* (e.g. exists somewhere 'below' this _PRT entry in the ACPI
* namespace).
*/
- if (prt->source[0]) {
- acpi_get_handle(handle, prt->source, &entry->link.handle);
- entry->link.index = prt->source_index;
- }
+ if (prt->source[0])
+ acpi_get_handle(handle, prt->source, &entry->link);
+
/*
* Type 2: Static
* --------------
@@ -229,14 +227,12 @@ acpi_pci_irq_add_entry(acpi_handle handle,
* the IRQ value, which is hardwired to specific interrupt inputs on
* the interrupt controller.
*/
- else
- entry->link.index = prt->source_index;
ACPI_DEBUG_PRINT_RAW((ACPI_DB_INFO,
" %04x:%02x:%02x[%c] -> %s[%d]\n",
entry->id.segment, entry->id.bus,
entry->id.device, pin_name(entry->pin),
- prt->source, entry->link.index));
+ prt->source, entry->index));
spin_lock(&acpi_prt_lock);
list_add_tail(&entry->list, &acpi_prt_list);
@@ -310,17 +306,16 @@ acpi_pci_allocate_irq(struct acpi_prt_entry *entry,
int irq;
- if (entry->link.handle) {
- irq = acpi_pci_link_allocate_irq(entry->link.handle,
- entry->link.index, triggering,
- polarity, link);
+ if (entry->link) {
+ irq = acpi_pci_link_allocate_irq(entry->link, entry->index,
+ triggering, polarity, link);
if (irq < 0) {
printk(KERN_WARNING PREFIX
"Invalid IRQ link routing entry\n");
return -1;
}
} else {
- irq = entry->link.index;
+ irq = entry->index;
*triggering = ACPI_LEVEL_SENSITIVE;
*polarity = ACPI_ACTIVE_LOW;
}
@@ -334,10 +329,10 @@ acpi_pci_free_irq(struct acpi_prt_entry *entry)
{
int irq;
- if (entry->link.handle) {
- irq = acpi_pci_link_free_irq(entry->link.handle);
+ if (entry->link) {
+ irq = acpi_pci_link_free_irq(entry->link);
} else {
- irq = entry->link.index;
+ irq = entry->index;
}
return irq;
}