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| author | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2016-07-08 09:37:17 +0300 |
|---|---|---|
| committer | Michael Ellerman <mpe@ellerman.id.au> | 2016-07-17 09:42:49 +0300 |
| commit | 08a45b320a0ec76866acca7db2fe2647387e5c21 (patch) | |
| tree | d52230dd5d911385138dd03357774181de5a3c65 /arch/powerpc/platforms/powernv | |
| parent | a1339faf72ac0d90797516ad0996cec18fe534b5 (diff) | |
| download | linux-08a45b320a0ec76866acca7db2fe2647387e5c21.tar.xz | |
powerpc/powernv/pci: Check status of a PHB before using it
If the firmware encounters an error (internal or HW) during initialization
of a PHB, it might leave the device-node in the tree but mark it disabled
using the "status" property. We should check it.
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Diffstat (limited to 'arch/powerpc/platforms/powernv')
| -rw-r--r-- | arch/powerpc/platforms/powernv/pci-ioda.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/arch/powerpc/platforms/powernv/pci-ioda.c b/arch/powerpc/platforms/powernv/pci-ioda.c index ed27f4cb28ca..891fc4a453df 100644 --- a/arch/powerpc/platforms/powernv/pci-ioda.c +++ b/arch/powerpc/platforms/powernv/pci-ioda.c @@ -3516,6 +3516,9 @@ static void __init pnv_pci_init_ioda_phb(struct device_node *np, void *aux; long rc; + if (!of_device_is_available(np)) + return; + pr_info("Initializing %s PHB (%s)\n", pnv_phb_names[ioda_type], of_node_full_name(np)); |