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author | Linus Torvalds <torvalds@linux-foundation.org> | 2011-07-25 22:59:39 -0700 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2011-07-25 22:59:39 -0700 |
commit | 184475029a724b6b900d88fc3a5f462a6107d5af (patch) | |
tree | 408320b46df221a2424bf94282b1b8e5b7aff7a1 /arch/powerpc/platforms/pseries/reconfig.c | |
parent | 3b76eefe0f970c2e19f165d4a1650abc523d10bc (diff) | |
parent | f1f4ee01c0d3dce0e3aa7d04e4332677db7af478 (diff) |
Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc
* 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc: (99 commits)
drivers/virt: add missing linux/interrupt.h to fsl_hypervisor.c
powerpc/85xx: fix mpic configuration in CAMP mode
powerpc: Copy back TIF flags on return from softirq stack
powerpc/64: Make server perfmon only built on ppc64 server devices
powerpc/pseries: Fix hvc_vio.c build due to recent changes
powerpc: Exporting boot_cpuid_phys
powerpc: Add CFAR to oops output
hvc_console: Add kdb support
powerpc/pseries: Fix hvterm_raw_get_chars to accept < 16 chars, fixing xmon
powerpc/irq: Quieten irq mapping printks
powerpc: Enable lockup and hung task detectors in pseries and ppc64 defeconfigs
powerpc: Add mpt2sas driver to pseries and ppc64 defconfig
powerpc: Disable IRQs off tracer in ppc64 defconfig
powerpc: Sync pseries and ppc64 defconfigs
powerpc/pseries/hvconsole: Fix dropped console output
hvc_console: Improve tty/console put_chars handling
powerpc/kdump: Fix timeout in crash_kexec_wait_realmode
powerpc/mm: Fix output of total_ram.
powerpc/cpufreq: Add cpufreq driver for Momentum Maple boards
powerpc: Correct annotations of pmu registration functions
...
Fix up trivial Kconfig/Makefile conflicts in arch/powerpc, drivers, and
drivers/cpufreq
Diffstat (limited to 'arch/powerpc/platforms/pseries/reconfig.c')
-rw-r--r-- | arch/powerpc/platforms/pseries/reconfig.c | 28 |
1 files changed, 16 insertions, 12 deletions
diff --git a/arch/powerpc/platforms/pseries/reconfig.c b/arch/powerpc/platforms/pseries/reconfig.c index 1de2cbb9230..168651acdd8 100644 --- a/arch/powerpc/platforms/pseries/reconfig.c +++ b/arch/powerpc/platforms/pseries/reconfig.c @@ -97,7 +97,7 @@ static struct device_node *derive_parent(const char *path) return parent; } -BLOCKING_NOTIFIER_HEAD(pSeries_reconfig_chain); +static BLOCKING_NOTIFIER_HEAD(pSeries_reconfig_chain); int pSeries_reconfig_notifier_register(struct notifier_block *nb) { @@ -109,6 +109,14 @@ void pSeries_reconfig_notifier_unregister(struct notifier_block *nb) blocking_notifier_chain_unregister(&pSeries_reconfig_chain, nb); } +int pSeries_reconfig_notify(unsigned long action, void *p) +{ + int err = blocking_notifier_call_chain(&pSeries_reconfig_chain, + action, p); + + return notifier_to_errno(err); +} + static int pSeries_reconfig_add_node(const char *path, struct property *proplist) { struct device_node *np; @@ -132,11 +140,9 @@ static int pSeries_reconfig_add_node(const char *path, struct property *proplist goto out_err; } - err = blocking_notifier_call_chain(&pSeries_reconfig_chain, - PSERIES_RECONFIG_ADD, np); - if (err == NOTIFY_BAD) { + err = pSeries_reconfig_notify(PSERIES_RECONFIG_ADD, np); + if (err) { printk(KERN_ERR "Failed to add device node %s\n", path); - err = -ENOMEM; /* For now, safe to assume kmalloc failure */ goto out_err; } @@ -173,8 +179,7 @@ static int pSeries_reconfig_remove_node(struct device_node *np) remove_node_proc_entries(np); - blocking_notifier_call_chain(&pSeries_reconfig_chain, - PSERIES_RECONFIG_REMOVE, np); + pSeries_reconfig_notify(PSERIES_RECONFIG_REMOVE, np); of_detach_node(np); of_node_put(parent); @@ -472,11 +477,10 @@ static int do_update_property(char *buf, size_t bufsize) else action = PSERIES_DRCONF_MEM_REMOVE; - rc = blocking_notifier_call_chain(&pSeries_reconfig_chain, - action, value); - if (rc == NOTIFY_BAD) { - rc = prom_update_property(np, oldprop, newprop); - return -ENOMEM; + rc = pSeries_reconfig_notify(action, value); + if (rc) { + prom_update_property(np, oldprop, newprop); + return rc; } } |