powerpc/eeh: Cleanup unnecessary eeh_pe_state_mark_with_cfg()
authorSam Bobroff <sbobroff@linux.ibm.com>
Wed, 12 Sep 2018 01:23:30 +0000 (11:23 +1000)
committerMichael Ellerman <mpe@ellerman.id.au>
Sat, 13 Oct 2018 11:21:25 +0000 (22:21 +1100)
The function eeh_pe_state_mark_with_cfg() just performs the work of
eeh_pe_state_mark() and then, conditionally, the work of
eeh_pe_state_clear(). However it is only ever called with a constant
state such that the condition is always true, so replace it by direct
calls.

Signed-off-by: Sam Bobroff <sbobroff@linux.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
arch/powerpc/kernel/eeh.c
arch/powerpc/kernel/eeh_pe.c

index 8801ada4082bf905deecf6bee596b72782679bac..d5d0390f1d3038406b848370257e6874faa1143c 100644 (file)
@@ -830,7 +830,8 @@ int pcibios_set_pcie_reset_state(struct pci_dev *dev, enum pcie_reset_state stat
                eeh_pe_state_clear(pe, EEH_PE_ISOLATED);
                break;
        case pcie_hot_reset:
-               eeh_pe_state_mark_with_cfg(pe, EEH_PE_ISOLATED);
+               eeh_pe_state_mark(pe, EEH_PE_ISOLATED);
+               eeh_pe_state_clear(pe, EEH_PE_CFG_BLOCKED);
                eeh_ops->set_option(pe, EEH_OPT_FREEZE_PE);
                eeh_pe_dev_traverse(pe, eeh_disable_and_save_dev_state, dev);
                if (!(pe->type & EEH_PE_VF))
@@ -838,7 +839,8 @@ int pcibios_set_pcie_reset_state(struct pci_dev *dev, enum pcie_reset_state stat
                eeh_ops->reset(pe, EEH_RESET_HOT);
                break;
        case pcie_warm_reset:
-               eeh_pe_state_mark_with_cfg(pe, EEH_PE_ISOLATED);
+               eeh_pe_state_mark(pe, EEH_PE_ISOLATED);
+               eeh_pe_state_clear(pe, EEH_PE_CFG_BLOCKED);
                eeh_ops->set_option(pe, EEH_OPT_FREEZE_PE);
                eeh_pe_dev_traverse(pe, eeh_disable_and_save_dev_state, dev);
                if (!(pe->type & EEH_PE_VF))
index 78f125d24bd04145455b319d9fe315e0cc3b3a2c..2b376718237f16228012ebaae5d7cfb4d639dbcb 100644 (file)
@@ -670,28 +670,6 @@ void eeh_pe_state_clear(struct eeh_pe *pe, int state)
        eeh_pe_traverse(pe, __eeh_pe_state_clear, &state);
 }
 
-/**
- * eeh_pe_state_mark_with_cfg - Mark PE state with unblocked config space
- * @pe: PE
- * @state: PE state to be set
- *
- * Set specified flag to PE and its child PEs. The PCI config space
- * of some PEs is blocked automatically when EEH_PE_ISOLATED is set,
- * which isn't needed in some situations. The function allows to set
- * the specified flag to indicated PEs without blocking their PCI
- * config space.
- */
-void eeh_pe_state_mark_with_cfg(struct eeh_pe *pe, int state)
-{
-       eeh_pe_traverse(pe, __eeh_pe_state_mark, &state);
-       if (!(state & EEH_PE_ISOLATED))
-               return;
-
-       /* Clear EEH_PE_CFG_BLOCKED, which might be set just now */
-       state = EEH_PE_CFG_BLOCKED;
-       eeh_pe_traverse(pe, __eeh_pe_state_clear, &state);
-}
-
 /*
  * Some PCI bridges (e.g. PLX bridges) have primary/secondary
  * buses assigned explicitly by firmware, and we probably have