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| author | Sam Bobroff <sbobroff@linux.ibm.com> | 2018-05-25 05:11:35 +0200 |
|---|---|---|
| committer | Michael Ellerman <mpe@ellerman.id.au> | 2018-06-03 12:43:39 +0200 |
| commit | 309ed3a7157a50edeeddfe49bd527a7347f76237 (patch) | |
| tree | 9f63c5bc31951af3196fa588537da7950b8a3338 /arch/powerpc/include/asm/eeh.h | |
| parent | powerpc/eeh: Clean up pci_ers_result handling (diff) | |
| download | linux-309ed3a7157a50edeeddfe49bd527a7347f76237.tar.xz linux-309ed3a7157a50edeeddfe49bd527a7347f76237.zip | |
powerpc/eeh: Introduce eeh_for_each_pe()
Add a for_each-style macro for iterating through PEs without the
boilerplate required by a traversal function. eeh_pe_next() is now
exported, as it is now used directly in place.
Signed-off-by: Sam Bobroff <sbobroff@linux.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Diffstat (limited to 'arch/powerpc/include/asm/eeh.h')
| -rw-r--r-- | arch/powerpc/include/asm/eeh.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/arch/powerpc/include/asm/eeh.h b/arch/powerpc/include/asm/eeh.h index f02e0400e6f2..677102baf3cd 100644 --- a/arch/powerpc/include/asm/eeh.h +++ b/arch/powerpc/include/asm/eeh.h @@ -106,6 +106,9 @@ struct eeh_pe { #define eeh_pe_for_each_dev(pe, edev, tmp) \ list_for_each_entry_safe(edev, tmp, &pe->edevs, list) +#define eeh_for_each_pe(root, pe) \ + for (pe = root; pe; pe = eeh_pe_next(pe, root)) + static inline bool eeh_pe_passed(struct eeh_pe *pe) { return pe ? !!atomic_read(&pe->pass_dev_cnt) : false; @@ -267,6 +270,7 @@ typedef void *(*eeh_pe_traverse_func)(struct eeh_pe *pe, void *flag); void eeh_set_pe_aux_size(int size); int eeh_phb_pe_create(struct pci_controller *phb); struct eeh_pe *eeh_phb_pe_get(struct pci_controller *phb); +struct eeh_pe *eeh_pe_next(struct eeh_pe *pe, struct eeh_pe *root); struct eeh_pe *eeh_pe_get(struct pci_controller *phb, int pe_no, int config_addr); int eeh_add_to_parent_pe(struct eeh_dev *edev); |