[patch] Re: Compile failure with 2.5.3-dj1

[Adrian Bunk]

On Fri, 1 Feb 2002, Brett wrote:

> Hey,

Hi Brett,

>...
> arch/i386/kernel/kernel.o: In function `fix_broken_hp_bios_irq9':
> arch/i386/kernel/kernel.o(.text.init+0x32c1): undefined reference to
> `broken_hp_bios_irq9'
> arch/i386/kernel/kernel.o(.text.init+0x32d6): undefined reference to
> `broken_hp_bios_irq9'
>...
> # CONFIG_PCI is not set
>...

<--  snip  -->

static __init int fix_broken_hp_bios_irq9(struct dmi_blacklist *d)
{
        extern int broken_hp_bios_irq9;

<--  snip  -->

broken_hp_bios_irq9 is in pci-irq.o that only gets included when
CONFIG_PCI is set. The following patch fixes the build error:

--- arch/i386/kernel/dmi_scan.c.old	Fri Feb  1 08:25:24 2002
+++ arch/i386/kernel/dmi_scan.c	Fri Feb  1 09:14:36 2002
@@ -301,12 +301,14 @@
  */
 static __init int fix_broken_hp_bios_irq9(struct dmi_blacklist *d)
 {
+#ifdef CONFIG_PCI
 	extern int broken_hp_bios_irq9;
 	if (broken_hp_bios_irq9 == 0)
 	{
 		broken_hp_bios_irq9 = 1;
 		printk(KERN_INFO "%s detected - fixing broken IRQ routing\n", d->ident);
 	}
+#endif
 	return 0;
 }

cu
Adrian