redonkable/remarkable-linux
redonkable/remarkable-linux
1
0
Fork 0
Code Releases Activity

MIPS: smp-cps: function to determine whether CPS SMP is in use

Browse source 
The core power down state for cpuidle will require that the CPS SMP
implementation is in use. This patch provides a mips_cps_smp_in_use
function which determines whether or not the CPS SMP implementation is
currently in use.

Signed-off-by: Paul Burton <paul.burton@imgtec.com>
This commit is contained in:
Paul Burton 2014-03-14 16:06:16 +00:00
parent 245a7868d2
commit 68c1232f51
2 changed files with 8 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

2
arch/mips/include/asm/smp-cps.h
View file

@ -31,6 +31,8 @@ extern void mips_cps_core_init(void);
extern struct vpe_boot_config *mips_cps_boot_vpes(void);
extern bool mips_cps_smp_in_use(void);
#else /* __ASSEMBLY__ */
.extern mips_cps_bootcfg;

6
arch/mips/kernel/smp-cps.c
View file

@ -260,6 +260,12 @@ static struct plat_smp_ops cps_smp_ops = {
.cpus_done = cps_cpus_done,
};
bool mips_cps_smp_in_use(void)
{
extern struct plat_smp_ops *mp_ops;
return mp_ops == &cps_smp_ops;
}
int register_cps_smp_ops(void)
{
if (!mips_cm_present()) {