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fix extpci irq assignment bug

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git-svn-id: svn://svn.openwrt.org/openwrt/trunk@5159 3c298f89-4303-0410-b956-a3cf2f4a3e73
This commit is contained in:
nbd 2006-10-16 14:21:30 +00:00
parent 8cb1afd57d
commit 47be900c56
1 changed files with 16 additions and 4 deletions
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18
target/linux/brcm-2.6/patches/001-bcm947xx.patch
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@ -11243,7 +11243,7 @@ diff -urN linux.old/arch/mips/bcm947xx/Makefile linux.dev/arch/mips/bcm947xx/Mak
diff -urN linux.old/arch/mips/bcm947xx/pci.c linux.dev/arch/mips/bcm947xx/pci.c
--- linux.old/arch/mips/bcm947xx/pci.c 1970-01-01 01:00:00.000000000 +0100
+++ linux.dev/arch/mips/bcm947xx/pci.c 2006-10-15 23:29:14.000000000 +0200
@@ -0,0 +1,215 @@
@@ -0,0 +1,227 @@
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/pci.h>
@ -11356,11 +11356,23 @@ diff -urN linux.old/arch/mips/bcm947xx/pci.c linux.dev/arch/mips/bcm947xx/pci.c
+
+int __init pcibios_map_irq(struct pci_dev *dev, u8 slot, u8 pin)
+{
+ unsigned long flags;
+ u8 irq;
+ uint idx;
+
+ if (dev->bus->number == 1)
+ return 2;
+ /* external: use the irq of the pci core */
+ if (dev->bus->number >= 1) {
+ spin_lock_irqsave(&sbh_lock, flags);
+ idx = sb_coreidx(sbh);
+ sb_setcore(sbh, SB_PCI, 0);
+ irq = sb_irq(sbh);
+ sb_setcoreidx(sbh, idx);
+ spin_unlock_irqrestore(&sbh_lock, flags);
+
+ return irq + 2;
+ }
+
+ /* internal */
+ pci_read_config_byte(dev, PCI_INTERRUPT_LINE, &irq);
+ return irq + 2;
+}