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Commit 21fd21f5 authored Jun 20, 2013 by Gavin Shan Committed by Benjamin Herrenschmidt Jun 20, 2013

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>

parent 51fb5f56

arch/powerpc/include/asm/eeh.h

+1 −0

Original line number	Diff line number	Diff line
		@@ -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);

arch/powerpc/kernel/eeh.c

+11 −0

Original line number	Diff line number	Diff line
		@@ -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