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authorIshizaki Kou <kou.ishizaki@toshiba.co.jp>2008-04-24 19:21:10 +1000
committerPaul Mackerras <paulus@samba.org>2008-04-24 21:08:12 +1000
commit7cfb62a2e820b6032c08835dbd996d8518af14a3 (patch)
treefdcd728c96ca020214452f11ae8600525e9d3773 /arch/powerpc/kernel/of_platform.c
parent36f8a2c4c61e3559a95190e457b431c6900859b4 (diff)
[POWERPC] cell: Generalize io-workarounds code
This splits cell io-workaround code into spider-pci dependent code and a generic part, and also moves io-workarounds initialization into cell_setup_phb. Signed-off-by: Kou Ishizaki <kou.ishizaki@toshiba.co.jp> Acked-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> Signed-off-by: Paul Mackerras <paulus@samba.org>
Diffstat (limited to 'arch/powerpc/kernel/of_platform.c')
-rw-r--r--arch/powerpc/kernel/of_platform.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/powerpc/kernel/of_platform.c b/arch/powerpc/kernel/of_platform.c
index fb698d47082d..e79ad8afda07 100644
--- a/arch/powerpc/kernel/of_platform.c
+++ b/arch/powerpc/kernel/of_platform.c
@@ -275,6 +275,8 @@ static int __devinit of_pci_phb_probe(struct of_device *dev,
/* Scan the bus */
scan_phb(phb);
+ if (phb->bus == NULL)
+ return -ENXIO;
/* Claim resources. This might need some rework as well depending
* wether we are doing probe-only or not, like assigning unassigned