diff options
| author | Gavin Shan <shangw@linux.vnet.ibm.com> | 2013-06-20 13:20:57 +0800 |
|---|---|---|
| committer | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2013-06-20 17:05:51 +1000 |
| commit | 21fd21f59082c2538883a280e7f0e9b374cf6cec (patch) | |
| tree | 67398c6fe7a52233b90f836fe7ac540e8e5263e9 | |
| parent | 51fb5f563274de01e47ad2cbdd48018557926fe3 (diff) | |
| download | linux-21fd21f59082c2538883a280e7f0e9b374cf6cec.tar.bz2 | |
powerpc/eeh: EEH post initialization operation
The patch adds new EEH operation post_init. It's used to notify
the platform that EEH core has completed the EEH probe. By that,
PowerNV platform starts to use the services supplied by EEH
functionality.
Signed-off-by: Gavin Shan <shangw@linux.vnet.ibm.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
| -rw-r--r-- | arch/powerpc/include/asm/eeh.h | 1 | ||||
| -rw-r--r-- | arch/powerpc/kernel/eeh.c | 11 |
2 files changed, 12 insertions, 0 deletions
diff --git a/arch/powerpc/include/asm/eeh.h b/arch/powerpc/include/asm/eeh.h index beb3cbcb76f8..beec7883d93e 100644 --- a/arch/powerpc/include/asm/eeh.h +++ b/arch/powerpc/include/asm/eeh.h @@ -131,6 +131,7 @@ static inline struct pci_dev *eeh_dev_to_pci_dev(struct eeh_dev *edev) struct eeh_ops { char *name; int (*init)(void); + int (*post_init)(void); void* (*of_probe)(struct device_node *dn, void *flag); int (*dev_probe)(struct pci_dev *dev, void *flag); int (*set_option)(struct eeh_pe *pe, int option); diff --git a/arch/powerpc/kernel/eeh.c b/arch/powerpc/kernel/eeh.c index c865c5f54b18..a29cf473fadf 100644 --- a/arch/powerpc/kernel/eeh.c +++ b/arch/powerpc/kernel/eeh.c @@ -720,6 +720,17 @@ int __init eeh_init(void) return -EINVAL; } + /* + * Call platform post-initialization. Actually, It's good chance + * to inform platform that EEH is ready to supply service if the + * I/O cache stuff has been built up. + */ + if (eeh_ops->post_init) { + ret = eeh_ops->post_init(); + if (ret) + return ret; + } + if (eeh_subsystem_enabled) pr_info("EEH: PCI Enhanced I/O Error Handling Enabled\n"); else |