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author | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2012-07-13 13:38:26 +1000 |
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committer | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2012-07-13 13:38:26 +1000 |
commit | af3bf7fbe0148aadc8fedd6f5e5279cabef9ced5 (patch) | |
tree | 25e3b1099ecf851bb7b5f6e6d3ffcdeb33de32f0 /arch/powerpc/kernel | |
parent | 10db8d212864cb6741df7d7fafda5ab6661f6f88 (diff) | |
parent | b915341b4be29b3b2c02da932b69871e9b55ca4b (diff) | |
download | blackbird-op-linux-af3bf7fbe0148aadc8fedd6f5e5279cabef9ced5.tar.gz blackbird-op-linux-af3bf7fbe0148aadc8fedd6f5e5279cabef9ced5.zip |
Merge remote-tracking branch 'kumar/next' into next
Freescale updates for 3.6
Diffstat (limited to 'arch/powerpc/kernel')
-rw-r--r-- | arch/powerpc/kernel/head_fsl_booke.S | 23 | ||||
-rw-r--r-- | arch/powerpc/kernel/setup-common.c | 27 | ||||
-rw-r--r-- | arch/powerpc/kernel/setup_32.c | 24 |
3 files changed, 33 insertions, 41 deletions
diff --git a/arch/powerpc/kernel/head_fsl_booke.S b/arch/powerpc/kernel/head_fsl_booke.S index 7e7bd88674db..0f59863c3ade 100644 --- a/arch/powerpc/kernel/head_fsl_booke.S +++ b/arch/powerpc/kernel/head_fsl_booke.S @@ -556,8 +556,10 @@ END_FTR_SECTION_IFSET(CPU_FTR_EMB_HV) /* SPE Unavailable */ START_EXCEPTION(SPEUnavailable) NORMAL_EXCEPTION_PROLOG(SPE_UNAVAIL) - bne load_up_spe - addi r3,r1,STACK_FRAME_OVERHEAD + beq 1f + bl load_up_spe + b fast_exception_return +1: addi r3,r1,STACK_FRAME_OVERHEAD EXC_XFER_EE_LITE(0x2010, KernelSPE) #else EXCEPTION(0x2020, SPE_UNAVAIL, SPEUnavailable, \ @@ -778,7 +780,7 @@ tlb_write_entry: /* Note that the SPE support is closely modeled after the AltiVec * support. Changes to one are likely to be applicable to the * other! */ -load_up_spe: +_GLOBAL(load_up_spe) /* * Disable SPE for the task which had SPE previously, * and save its SPE registers in its thread_struct. @@ -826,20 +828,7 @@ load_up_spe: subi r4,r5,THREAD stw r4,last_task_used_spe@l(r3) #endif /* !CONFIG_SMP */ - /* restore registers and return */ -2: REST_4GPRS(3, r11) - lwz r10,_CCR(r11) - REST_GPR(1, r11) - mtcr r10 - lwz r10,_LINK(r11) - mtlr r10 - REST_GPR(10, r11) - mtspr SPRN_SRR1,r9 - mtspr SPRN_SRR0,r12 - REST_GPR(9, r11) - REST_GPR(12, r11) - lwz r11,GPR11(r11) - rfi + blr /* * SPE unavailable trap from kernel - print a message, but let diff --git a/arch/powerpc/kernel/setup-common.c b/arch/powerpc/kernel/setup-common.c index afd4f051f3f2..bdc499c17872 100644 --- a/arch/powerpc/kernel/setup-common.c +++ b/arch/powerpc/kernel/setup-common.c @@ -720,6 +720,33 @@ static int powerpc_debugfs_init(void) arch_initcall(powerpc_debugfs_init); #endif +#ifdef CONFIG_BOOKE_WDT +extern u32 booke_wdt_enabled; +extern u32 booke_wdt_period; + +/* Checks wdt=x and wdt_period=xx command-line option */ +notrace int __init early_parse_wdt(char *p) +{ + if (p && strncmp(p, "0", 1) != 0) + booke_wdt_enabled = 1; + + return 0; +} +early_param("wdt", early_parse_wdt); + +int __init early_parse_wdt_period(char *p) +{ + unsigned long ret; + if (p) { + if (!kstrtol(p, 0, &ret)) + booke_wdt_period = ret; + } + + return 0; +} +early_param("wdt_period", early_parse_wdt_period); +#endif /* CONFIG_BOOKE_WDT */ + void ppc_printk_progress(char *s, unsigned short hex) { pr_info("%s\n", s); diff --git a/arch/powerpc/kernel/setup_32.c b/arch/powerpc/kernel/setup_32.c index ec8a53fa9e8f..a8f54ecb091f 100644 --- a/arch/powerpc/kernel/setup_32.c +++ b/arch/powerpc/kernel/setup_32.c @@ -149,30 +149,6 @@ notrace void __init machine_init(u64 dt_ptr) ppc_md.progress("id mach(): done", 0x200); } -#ifdef CONFIG_BOOKE_WDT -extern u32 booke_wdt_enabled; -extern u32 booke_wdt_period; - -/* Checks wdt=x and wdt_period=xx command-line option */ -notrace int __init early_parse_wdt(char *p) -{ - if (p && strncmp(p, "0", 1) != 0) - booke_wdt_enabled = 1; - - return 0; -} -early_param("wdt", early_parse_wdt); - -int __init early_parse_wdt_period (char *p) -{ - if (p) - booke_wdt_period = simple_strtoul(p, NULL, 0); - - return 0; -} -early_param("wdt_period", early_parse_wdt_period); -#endif /* CONFIG_BOOKE_WDT */ - /* Checks "l2cr=xxxx" command-line option */ int __init ppc_setup_l2cr(char *str) { |