diff options
Diffstat (limited to 'arch/ppc64')
-rw-r--r-- | arch/ppc64/kernel/entry.S | 9 | ||||
-rw-r--r-- | arch/ppc64/kernel/head.S | 10 | ||||
-rw-r--r-- | arch/ppc64/kernel/idle.c | 8 | ||||
-rw-r--r-- | arch/ppc64/kernel/process.c | 3 | ||||
-rw-r--r-- | arch/ppc64/kernel/sysfs.c | 8 |
5 files changed, 10 insertions, 28 deletions
diff --git a/arch/ppc64/kernel/entry.S b/arch/ppc64/kernel/entry.S index d3604056e1a..b61572eb2a7 100644 --- a/arch/ppc64/kernel/entry.S +++ b/arch/ppc64/kernel/entry.S @@ -436,15 +436,6 @@ END_FTR_SECTION_IFSET(CPU_FTR_ALTIVEC) REST_8GPRS(14, r1) REST_10GPRS(22, r1) -#ifdef CONFIG_PPC_ISERIES - clrrdi r7,r1,THREAD_SHIFT /* get current_thread_info() */ - ld r7,TI_FLAGS(r7) /* Get run light flag */ - mfspr r9,CTRLF - srdi r7,r7,TIF_RUN_LIGHT - insrdi r9,r7,1,63 /* Insert run light into CTRL */ - mtspr CTRLT,r9 -#endif - /* convert old thread to its task_struct for return value */ addi r3,r3,-THREAD ld r7,_NIP(r1) /* Return to _switch caller in new task */ diff --git a/arch/ppc64/kernel/head.S b/arch/ppc64/kernel/head.S index 92a744c31ab..346dbf606b5 100644 --- a/arch/ppc64/kernel/head.S +++ b/arch/ppc64/kernel/head.S @@ -626,10 +626,10 @@ system_reset_iSeries: lhz r24,PACAPACAINDEX(r13) /* Get processor # */ cmpwi 0,r24,0 /* Are we processor 0? */ beq .__start_initialization_iSeries /* Start up the first processor */ - mfspr r4,CTRLF - li r5,RUNLATCH /* Turn off the run light */ + mfspr r4,SPRN_CTRLF + li r5,CTRL_RUNLATCH /* Turn off the run light */ andc r4,r4,r5 - mtspr CTRLT,r4 + mtspr SPRN_CTRLT,r4 1: HMT_LOW @@ -2082,9 +2082,9 @@ _GLOBAL(hmt_start_secondary) mfspr r4, HID0 ori r4, r4, 0x1 mtspr HID0, r4 - mfspr r4, CTRLF + mfspr r4, SPRN_CTRLF oris r4, r4, 0x40 - mtspr CTRLT, r4 + mtspr SPRN_CTRLT, r4 blr #endif diff --git a/arch/ppc64/kernel/idle.c b/arch/ppc64/kernel/idle.c index 6abc621d3ba..f24ce2b8720 100644 --- a/arch/ppc64/kernel/idle.c +++ b/arch/ppc64/kernel/idle.c @@ -75,13 +75,9 @@ static int iSeries_idle(void) { struct paca_struct *lpaca; long oldval; - unsigned long CTRL; /* ensure iSeries run light will be out when idle */ - clear_thread_flag(TIF_RUN_LIGHT); - CTRL = mfspr(CTRLF); - CTRL &= ~RUNLATCH; - mtspr(CTRLT, CTRL); + ppc64_runlatch_off(); lpaca = get_paca(); @@ -111,7 +107,9 @@ static int iSeries_idle(void) } } + ppc64_runlatch_on(); schedule(); + ppc64_runlatch_off(); } return 0; diff --git a/arch/ppc64/kernel/process.c b/arch/ppc64/kernel/process.c index 8b068612273..cdfecbeb331 100644 --- a/arch/ppc64/kernel/process.c +++ b/arch/ppc64/kernel/process.c @@ -378,9 +378,6 @@ copy_thread(int nr, unsigned long clone_flags, unsigned long usp, childregs->gpr[1] = sp + sizeof(struct pt_regs); p->thread.regs = NULL; /* no user register state */ clear_ti_thread_flag(p->thread_info, TIF_32BIT); -#ifdef CONFIG_PPC_ISERIES - set_ti_thread_flag(p->thread_info, TIF_RUN_LIGHT); -#endif } else { childregs->gpr[1] = usp; p->thread.regs = childregs; diff --git a/arch/ppc64/kernel/sysfs.c b/arch/ppc64/kernel/sysfs.c index 0925694c3ce..c8fa6569b2f 100644 --- a/arch/ppc64/kernel/sysfs.c +++ b/arch/ppc64/kernel/sysfs.c @@ -113,7 +113,6 @@ void ppc64_enable_pmcs(void) #ifdef CONFIG_PPC_PSERIES unsigned long set, reset; int ret; - unsigned int ctrl; #endif /* CONFIG_PPC_PSERIES */ /* Only need to enable them once */ @@ -167,11 +166,8 @@ void ppc64_enable_pmcs(void) * On SMT machines we have to set the run latch in the ctrl register * in order to make PMC6 spin. */ - if (cpu_has_feature(CPU_FTR_SMT)) { - ctrl = mfspr(CTRLF); - ctrl |= RUNLATCH; - mtspr(CTRLT, ctrl); - } + if (cpu_has_feature(CPU_FTR_SMT)) + ppc64_runlatch_on(); #endif /* CONFIG_PPC_PSERIES */ } |