diff options
| author | Gavin Shan <shangw@linux.vnet.ibm.com> | 2013-06-27 13:46:44 +0800 |
|---|---|---|
| committer | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2013-07-01 11:10:32 +1000 |
| commit | 0b9e267d71d2e74d1108785928fd8c8c9dbf441e (patch) | |
| tree | c4ec8c14eb6fd014ecea12283e2b16631ed769ba /arch | |
| parent | 652defed48757ae0dcc851beeb8fdd484bad40c6 (diff) | |
| download | blackbird-op-linux-0b9e267d71d2e74d1108785928fd8c8c9dbf441e.tar.gz blackbird-op-linux-0b9e267d71d2e74d1108785928fd8c8c9dbf441e.zip | |
powerpc/powernv: Replace variables with flags
We have 2 fields in "struct pnv_phb" to trace the states. The patch
replace the fields with one and introduces flags for that. The patch
doesn't impact the logic.
Signed-off-by: Gavin Shan <shangw@linux.vnet.ibm.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/powerpc/platforms/powernv/eeh-ioda.c | 8 | ||||
| -rw-r--r-- | arch/powerpc/platforms/powernv/pci.c | 4 | ||||
| -rw-r--r-- | arch/powerpc/platforms/powernv/pci.h | 7 |
3 files changed, 11 insertions, 8 deletions
diff --git a/arch/powerpc/platforms/powernv/eeh-ioda.c b/arch/powerpc/platforms/powernv/eeh-ioda.c index 84f3036511cb..85025d7e6396 100644 --- a/arch/powerpc/platforms/powernv/eeh-ioda.c +++ b/arch/powerpc/platforms/powernv/eeh-ioda.c @@ -132,7 +132,7 @@ static int ioda_eeh_post_init(struct pci_controller *hose) &ioda_eeh_dbgfs_ops); #endif - phb->eeh_enabled = 1; + phb->eeh_state |= PNV_EEH_STATE_ENABLED; } return 0; @@ -815,7 +815,7 @@ static int ioda_eeh_next_error(struct eeh_pe **pe) * removed, we needn't take care of it any more. */ phb = hose->private_data; - if (phb->removed) + if (phb->eeh_state & PNV_EEH_STATE_REMOVED) continue; rc = opal_pci_next_error(phb->opal_id, @@ -850,7 +850,7 @@ static int ioda_eeh_next_error(struct eeh_pe **pe) list_for_each_entry_safe(hose, tmp, &hose_list, list_node) { phb = hose->private_data; - phb->removed = 1; + phb->eeh_state |= PNV_EEH_STATE_REMOVED; } WARN(1, "EEH: dead IOC detected\n"); @@ -867,7 +867,7 @@ static int ioda_eeh_next_error(struct eeh_pe **pe) WARN(1, "EEH: dead PHB#%x detected\n", hose->global_number); - phb->removed = 1; + phb->eeh_state |= PNV_EEH_STATE_REMOVED; ret = 3; goto out; } else if (severity == OPAL_EEH_SEV_PHB_FENCED) { diff --git a/arch/powerpc/platforms/powernv/pci.c b/arch/powerpc/platforms/powernv/pci.c index 577cbeadb0ea..4c91e6dd1af2 100644 --- a/arch/powerpc/platforms/powernv/pci.c +++ b/arch/powerpc/platforms/powernv/pci.c @@ -309,7 +309,7 @@ static int pnv_pci_read_config(struct pci_bus *bus, if (phb_pe && (phb_pe->state & EEH_PE_ISOLATED)) return PCIBIOS_SUCCESSFUL; - if (phb->eeh_enabled) { + if (phb->eeh_state & PNV_EEH_STATE_ENABLED) { if (*val == EEH_IO_ERROR_VALUE(size)) { busdn = pci_bus_to_OF_node(bus); for (dn = busdn->child; dn; dn = dn->sibling) { @@ -359,7 +359,7 @@ static int pnv_pci_write_config(struct pci_bus *bus, /* Check if the PHB got frozen due to an error (no response) */ #ifdef CONFIG_EEH - if (!phb->eeh_enabled) + if (!(phb->eeh_state & PNV_EEH_STATE_ENABLED)) pnv_pci_config_check_eeh(phb, bus, bdfn); #else pnv_pci_config_check_eeh(phb, bus, bdfn); diff --git a/arch/powerpc/platforms/powernv/pci.h b/arch/powerpc/platforms/powernv/pci.h index 43906e3ab26f..40bdf0219b96 100644 --- a/arch/powerpc/platforms/powernv/pci.h +++ b/arch/powerpc/platforms/powernv/pci.h @@ -78,6 +78,10 @@ struct pnv_eeh_ops { int (*configure_bridge)(struct eeh_pe *pe); int (*next_error)(struct eeh_pe **pe); }; + +#define PNV_EEH_STATE_ENABLED (1 << 0) /* EEH enabled */ +#define PNV_EEH_STATE_REMOVED (1 << 1) /* PHB removed */ + #endif /* CONFIG_EEH */ struct pnv_phb { @@ -92,8 +96,7 @@ struct pnv_phb { #ifdef CONFIG_EEH struct pnv_eeh_ops *eeh_ops; - int eeh_enabled; - int removed; + int eeh_state; #endif #ifdef CONFIG_DEBUG_FS |
