Tom, can you apply this (unless the bk tree has been fixed). It looks like a recent fix for casceded UIC machines broke compile for non-cascaded ones (UIC0_UIC1NC is not defined).
diff -urN /home/dgibson/kernel/linuxppc_2_4_devel/arch/ppc/kernel/ppc4xx_pic.c linux-grinch/arch/ppc/kernel/ppc4xx_pic.c --- /home/dgibson/kernel/linuxppc_2_4_devel/arch/ppc/kernel/ppc4xx_pic.c 2002-08-16 10:21:17.000000000 +1000 +++ linux-grinch/arch/ppc/kernel/ppc4xx_pic.c 2002-08-16 10:53:58.000000000 +1000 @@ -231,12 +231,14 @@ mtdcr(DCRN_UIC_ER(UIC0), ppc_cached_irq_mask[word]); mtdcr(DCRN_UIC_SR(UIC0), (1 << (31 - bit))); break; +#if NR_UICS > 1 case 1: mtdcr(DCRN_UIC_ER(UIC1), ppc_cached_irq_mask[word]); mtdcr(DCRN_UIC_SR(UIC1), (1 << (31 - bit))); /* ACK cascaded interrupt in UIC0 */ mtdcr(DCRN_UIC_SR(UIC0), (1 << (31 - UIC0_UIC1NC))); break; +#endif } } @@ -268,11 +270,13 @@ case 0: mtdcr(DCRN_UIC_SR(UIC0), 1 << (31 - bit)); break; +#if NR_UICS > 1 case 1: mtdcr(DCRN_UIC_SR(UIC1), 1 << (31 - bit)); /* ACK cascaded interrupt in UIC0 */ mtdcr(DCRN_UIC_SR(UIC0), (1 << (31 - UIC0_UIC1NC))); break; +#endif } } -- David Gibson | For every complex problem there is a david at gibson.dropbear.id.au | solution which is simple, neat and | wrong. http://www.ozlabs.org/people/dgibson ** Sent via the linuxppc-embedded mail list. See http://lists.linuxppc.org/