From: Benjamin Herrenschmidt Date: Thu, 20 Dec 2007 04:10:02 +0000 (+1100) Subject: [POWERPC] Fix PCI IRQ fallback code to not map IRQ 0 X-Git-Tag: v2.6.25-rc1~1131^2~232 X-Git-Url: https://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=54a24cbbd0184faffc37c39cd3a896f4ddac3e03;p=pandora-kernel.git [POWERPC] Fix PCI IRQ fallback code to not map IRQ 0 The PCI IRQ code has a fallback when the device-tree parsing fails, that tries to map the interrupt indicated by PCI_INTERRUPT_LINE if the firmware set something in there. This is a bit fragile but has proven useful in some cases so far. However, it's causing us to incorrectly try to map interrupt 0 on various setups, so let's prevent that case, as none of the cases where the fallback is legit should have an IRQ 0. Signed-off-by: Benjamin Herrenschmidt Signed-off-by: Paul Mackerras --- Reading git-diff-tree failed