diff options
| author | Nathan Lynch <nathanl@linux.ibm.com> | 2020-12-07 15:51:55 -0600 |
|---|---|---|
| committer | Michael Ellerman <mpe@ellerman.id.au> | 2020-12-08 21:41:01 +1100 |
| commit | 1b2488176ea56e299d2b084772daeb5ecbfc16d1 (patch) | |
| tree | b568dc8be276c21bb0e0d0ec1270a18310eb27ab /arch/powerpc/kernel | |
| parent | 366fb13bf13b029c4d43bf19382f7aea69bfa4b7 (diff) | |
powerpc/rtas: remove unused rtas_suspend_last_cpu()
rtas_suspend_last_cpu() is now unused, remove it and
__rtas_suspend_last_cpu() which also becomes unused.
Signed-off-by: Nathan Lynch <nathanl@linux.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20201207215200.1785968-24-nathanl@linux.ibm.com
Diffstat (limited to 'arch/powerpc/kernel')
| -rw-r--r-- | arch/powerpc/kernel/rtas.c | 43 |
1 files changed, 0 insertions, 43 deletions
diff --git a/arch/powerpc/kernel/rtas.c b/arch/powerpc/kernel/rtas.c index aedd46967b99..9a7d1bba3ef7 100644 --- a/arch/powerpc/kernel/rtas.c +++ b/arch/powerpc/kernel/rtas.c @@ -830,49 +830,6 @@ void rtas_activate_firmware(void) static int ibm_suspend_me_token = RTAS_UNKNOWN_SERVICE; #ifdef CONFIG_PPC_PSERIES -static int __rtas_suspend_last_cpu(struct rtas_suspend_me_data *data, int wake_when_done) -{ - u16 slb_size = mmu_slb_size; - int rc = H_MULTI_THREADS_ACTIVE; - int cpu; - - slb_set_size(SLB_MIN_SIZE); - printk(KERN_DEBUG "calling ibm,suspend-me on cpu %i\n", smp_processor_id()); - - while (rc == H_MULTI_THREADS_ACTIVE && !atomic_read(&data->done) && - !atomic_read(&data->error)) - rc = rtas_call(data->token, 0, 1, NULL); - - if (rc || atomic_read(&data->error)) { - printk(KERN_DEBUG "ibm,suspend-me returned %d\n", rc); - slb_set_size(slb_size); - } - - if (atomic_read(&data->error)) - rc = atomic_read(&data->error); - - atomic_set(&data->error, rc); - pSeries_coalesce_init(); - - if (wake_when_done) { - atomic_set(&data->done, 1); - - for_each_online_cpu(cpu) - plpar_hcall_norets(H_PROD, get_hard_smp_processor_id(cpu)); - } - - if (atomic_dec_return(&data->working) == 0) - complete(data->complete); - - return rc; -} - -int rtas_suspend_last_cpu(struct rtas_suspend_me_data *data) -{ - atomic_inc(&data->working); - return __rtas_suspend_last_cpu(data, 0); -} - /** * rtas_call_reentrant() - Used for reentrant rtas calls * @token: Token for desired reentrant RTAS call |