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| author | Sam Bobroff <sam.bobroff@au1.ibm.com> | 2018-03-19 13:49:23 +1100 |
|---|---|---|
| committer | Michael Ellerman <mpe@ellerman.id.au> | 2018-03-27 23:45:19 +1100 |
| commit | 34a286a4ac576d3d9ea3ac2bc7bbd4216a1f7ac7 (patch) | |
| tree | 2474a8ad747afd3e21581777ab0cb12dabf68ede /arch/powerpc/platforms/powernv/eeh-powernv.c | |
| parent | 54048cf876615285363f6f6c21014bf2462ebe0d (diff) | |
| download | linux-34a286a4ac576d3d9ea3ac2bc7bbd4216a1f7ac7.tar.bz2 | |
powerpc/eeh: Add eeh_state_active() helper
Checking for a "fully active" device state requires testing two flag
bits, which is open coded in several places, so add a function to do
it.
Signed-off-by: Sam Bobroff <sam.bobroff@au1.ibm.com>
Reviewed-by: Alexey Kardashevskiy <aik@ozlabs.ru>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Diffstat (limited to 'arch/powerpc/platforms/powernv/eeh-powernv.c')
| -rw-r--r-- | arch/powerpc/platforms/powernv/eeh-powernv.c | 9 |
1 files changed, 2 insertions, 7 deletions
diff --git a/arch/powerpc/platforms/powernv/eeh-powernv.c b/arch/powerpc/platforms/powernv/eeh-powernv.c index 33c86c1a1720..ddfc3544d285 100644 --- a/arch/powerpc/platforms/powernv/eeh-powernv.c +++ b/arch/powerpc/platforms/powernv/eeh-powernv.c @@ -1425,11 +1425,8 @@ static int pnv_eeh_get_pe(struct pci_controller *hose, dev_pe = dev_pe->parent; while (dev_pe && !(dev_pe->type & EEH_PE_PHB)) { int ret; - int active_flags = (EEH_STATE_MMIO_ACTIVE | - EEH_STATE_DMA_ACTIVE); - ret = eeh_ops->get_state(dev_pe, NULL); - if (ret <= 0 || (ret & active_flags) == active_flags) { + if (ret <= 0 || eeh_state_active(ret)) { dev_pe = dev_pe->parent; continue; } @@ -1463,7 +1460,6 @@ static int pnv_eeh_next_error(struct eeh_pe **pe) struct eeh_pe *phb_pe, *parent_pe; __be64 frozen_pe_no; __be16 err_type, severity; - int active_flags = (EEH_STATE_MMIO_ACTIVE | EEH_STATE_DMA_ACTIVE); long rc; int state, ret = EEH_NEXT_ERR_NONE; @@ -1626,8 +1622,7 @@ static int pnv_eeh_next_error(struct eeh_pe **pe) /* Frozen parent PE ? */ state = eeh_ops->get_state(parent_pe, NULL); - if (state > 0 && - (state & active_flags) != active_flags) + if (state > 0 && !eeh_state_active(state)) *pe = parent_pe; /* Next parent level */ |