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author | Gavin Shan <shangw@linux.vnet.ibm.com> | 2013-06-20 05:20:58 (GMT) |
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committer | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2013-06-20 07:05:54 (GMT) |
commit | 326a98ea93b5d2bbf53db5c25533ca3a7c4cce65 (patch) | |
tree | 94dc84dcbc674e9fc7997d915b0af03639868c62 /arch/powerpc/kernel | |
parent | 21fd21f59082c2538883a280e7f0e9b374cf6cec (diff) | |
download | linux-fsl-qoriq-326a98ea93b5d2bbf53db5c25533ca3a7c4cce65.tar.xz |
powerpc/eeh: Refactor eeh_reset_pe_once()
We shouldn't check that the returned PE status is exactly equal to
(EEH_STATE_MMIO_ACTIVE | EEH_STATE_DMA_ACTIVE) but instead only check
that they are both set.
[benh: changelog]
Signed-off-by: Gavin Shan <shangw@linux.vnet.ibm.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Diffstat (limited to 'arch/powerpc/kernel')
-rw-r--r-- | arch/powerpc/kernel/eeh.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/arch/powerpc/kernel/eeh.c b/arch/powerpc/kernel/eeh.c index a29cf47..cda0b62 100644 --- a/arch/powerpc/kernel/eeh.c +++ b/arch/powerpc/kernel/eeh.c @@ -565,6 +565,7 @@ static void eeh_reset_pe_once(struct eeh_pe *pe) */ int eeh_reset_pe(struct eeh_pe *pe) { + int flags = (EEH_STATE_MMIO_ACTIVE | EEH_STATE_DMA_ACTIVE); int i, rc; /* Take three shots at resetting the bus */ @@ -572,7 +573,7 @@ int eeh_reset_pe(struct eeh_pe *pe) eeh_reset_pe_once(pe); rc = eeh_ops->wait_state(pe, PCI_BUS_RESET_WAIT_MSEC); - if (rc == (EEH_STATE_MMIO_ACTIVE | EEH_STATE_DMA_ACTIVE)) + if ((rc & flags) == flags) return 0; if (rc < 0) { |