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| author | Joel Stanley <joel@jms.id.au> | 2014-04-01 14:28:19 +1030 |
|---|---|---|
| committer | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2014-04-09 12:53:19 +1000 |
| commit | bfc36894a48b996eba7e02d8e43093a289c1fb91 (patch) | |
| tree | a2429363b192b759a0d4d27c8403f062a6fbbaf3 /arch/powerpc/platforms/powernv/opal.c | |
| parent | 6e556b471036b751aaa1a1b5a189eff76b1a2d0b (diff) | |
| download | blackbird-op-linux-bfc36894a48b996eba7e02d8e43093a289c1fb91.tar.gz blackbird-op-linux-bfc36894a48b996eba7e02d8e43093a289c1fb91.zip | |
powerpc/powernv: Add OPAL message log interface
OPAL provides an in-memory circular buffer containing a message log
populated with various runtime messages produced by the firmware.
Provide a sysfs interface /sys/firmware/opal/msglog for userspace to
view the messages.
Signed-off-by: Joel Stanley <joel@jms.id.au>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Diffstat (limited to 'arch/powerpc/platforms/powernv/opal.c')
| -rw-r--r-- | arch/powerpc/platforms/powernv/opal.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/arch/powerpc/platforms/powernv/opal.c b/arch/powerpc/platforms/powernv/opal.c index 3697772e3759..99e9c2887e21 100644 --- a/arch/powerpc/platforms/powernv/opal.c +++ b/arch/powerpc/platforms/powernv/opal.c @@ -46,7 +46,7 @@ struct mcheck_recoverable_range { static struct mcheck_recoverable_range *mc_recoverable_range; static int mc_recoverable_range_len; -static struct device_node *opal_node; +struct device_node *opal_node; static DEFINE_SPINLOCK(opal_write_lock); extern u64 opal_mc_secondary_handler[]; static unsigned int *opal_irqs; @@ -602,6 +602,8 @@ static int __init opal_init(void) opal_platform_dump_init(); /* Setup system parameters interface */ opal_sys_param_init(); + /* Setup message log interface. */ + opal_msglog_init(); } return 0; |
