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authorBenjamin Herrenschmidt <benh@kernel.crashing.org>2012-07-13 13:38:26 +1000
committerBenjamin Herrenschmidt <benh@kernel.crashing.org>2012-07-13 13:38:26 +1000
commitaf3bf7fbe0148aadc8fedd6f5e5279cabef9ced5 (patch)
tree25e3b1099ecf851bb7b5f6e6d3ffcdeb33de32f0 /arch/powerpc/kernel
parent10db8d212864cb6741df7d7fafda5ab6661f6f88 (diff)
parentb915341b4be29b3b2c02da932b69871e9b55ca4b (diff)
downloadblackbird-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.S23
-rw-r--r--arch/powerpc/kernel/setup-common.c27
-rw-r--r--arch/powerpc/kernel/setup_32.c24
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)
{
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