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powerpc/powernv: Add opal_notifier_unregister() and export to modules

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opal_notifier_register() is missing a pending "unregister" variant
and should be exposed to modules.

Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
This commit is contained in:
Benjamin Herrenschmidt
2014-03-28 13:36:31 +11:00
parent 8f619b5429
commit 798af00c4d
2 changed files with 16 additions and 0 deletions
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arch/powerpc/include/asm/opal.h
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@@ -892,6 +892,8 @@ extern int early_init_dt_scan_opal(unsigned long node, const char *uname,
int depth, void *data);
extern int opal_notifier_register(struct notifier_block *nb);
extern int opal_notifier_unregister(struct notifier_block *nb);
extern int opal_message_notifier_register(enum OpalMessageType msg_type,
struct notifier_block *nb);
extern void opal_notifier_enable(void);