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powerpc: Make ppc_md.{halt, restart} __noreturn

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powernv marks it's halt and restart calls as __noreturn. However,
ppc_md does not have this annotation. Add the annotation to ppc_md,
and then to every halt/restart function that is missing it.

Additionally, I have verified that all of these functions do not
return. Occasionally I have added a spin loop to be sure.

Signed-off-by: Daniel Axtens <dja@axtens.net>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
This commit is contained in:
Daniel Axtens
2016-07-12 10:54:52 +10:00
committed by Michael Ellerman
parent 62c2c5cf38
commit 95ec77c06e
33 changed files with 60 additions and 55 deletions
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12
arch/powerpc/platforms/powermac/setup.c
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@@ -383,7 +383,7 @@ void __init_refok note_bootable_part(dev_t dev, int part, int goodness)
}
#ifdef CONFIG_ADB_CUDA
static void cuda_restart(void)
static void __noreturn cuda_restart(void)
{
struct adb_request req;
@@ -392,7 +392,7 @@ static void cuda_restart(void)
cuda_poll();
}
static void cuda_shutdown(void)
static void __noreturn cuda_shutdown(void)
{
struct adb_request req;
@@ -416,7 +416,7 @@ static void cuda_shutdown(void)
#define smu_shutdown()
#endif
static void pmac_restart(char *cmd)
static void __noreturn pmac_restart(char *cmd)
{
switch (sys_ctrler) {
case SYS_CTRLER_CUDA:
@@ -430,9 +430,10 @@ static void pmac_restart(char *cmd)
break;
default: ;
}
while (1) ;
}
static void pmac_power_off(void)
static void __noreturn pmac_power_off(void)
{
switch (sys_ctrler) {
case SYS_CTRLER_CUDA:
@@ -446,9 +447,10 @@ static void pmac_power_off(void)
break;
default: ;
}
while (1) ;
}
static void
static void __noreturn
pmac_halt(void)
{
pmac_power_off();