diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2009-06-12 13:14:30 -0700 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2009-06-12 13:14:30 -0700 |
commit | 2b10dc45d15150434d7f206264e912eacbff734b (patch) | |
tree | fc0ec778fbb563a62e573ad1ec76428ce1223c01 /arch/blackfin/mach-common/ints-priority.c | |
parent | 47ea421af7479b90c481c94826f1c716fcf672cf (diff) | |
parent | bf664c0a3a42683b78d74aca2d7cfb6ccc2aa2c3 (diff) |
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/vapier/blackfin
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/vapier/blackfin: (62 commits)
Blackfin: fix sparseirq/kstat_irqs fallout
Blackfin: fix unused warnings after nommu update
Blackfin: export the last exception cause via debugfs
Blackfin: fix length checking in kgdb_ebin2mem
Blackfin: kgdb: fix up error return values
Blackfin: push access_ok() L1 attribute down
Blackfin: punt duplicated search_exception_table() prototype
Blackfin: add missing access_ok() checks to user functions
Blackfin: convert early_printk EVT init to a loop
Blackfin: document the lsl variants of the L1 allocator
Blackfin: rename Blackfin relocs according to the toolchain
Blackfin: check SIC defines rather than variant names
Blackfin: add SSYNC to set_dma_sg() for descriptor fetching
Blackfin: convert SMP to only use generic time framework
Blackfin: bf548-ezkit/bf537-stamp: add resources for ADXL345/346
Blackfin: override default uClinux MTD addr/size
Blackfin: fix command line corruption with DEBUG_DOUBLEFAULT
Blackfin: fix handling of initial L1 reservation
Blackfin: merge sram init functions
Blackfin: drop unused reserve_pda() function
...
Diffstat (limited to 'arch/blackfin/mach-common/ints-priority.c')
-rw-r--r-- | arch/blackfin/mach-common/ints-priority.c | 50 |
1 files changed, 17 insertions, 33 deletions
diff --git a/arch/blackfin/mach-common/ints-priority.c b/arch/blackfin/mach-common/ints-priority.c index a7d7b2dd405..351afd0e36d 100644 --- a/arch/blackfin/mach-common/ints-priority.c +++ b/arch/blackfin/mach-common/ints-priority.c @@ -1052,7 +1052,7 @@ int __init init_arch_irq(void) set_irq_chained_handler(irq, bfin_demux_error_irq); break; #endif -#if defined(CONFIG_TICK_SOURCE_SYSTMR0) || defined(CONFIG_IPIPE) +#if defined(CONFIG_TICKSOURCE_GPTMR0) case IRQ_TIMER0: set_irq_handler(irq, handle_percpu_irq); break; @@ -1116,6 +1116,9 @@ int __init init_arch_irq(void) IMASK_IVG14 | IMASK_IVG13 | IMASK_IVG12 | IMASK_IVG11 | IMASK_IVG10 | IMASK_IVG9 | IMASK_IVG8 | IMASK_IVG7 | IMASK_IVGHW; + /* This implicitly covers ANOMALY_05000171 + * Boot-ROM code modifies SICA_IWRx wakeup registers + */ #ifdef SIC_IWR0 bfin_write_SIC_IWR0(IWR_DISABLE_ALL); # ifdef SIC_IWR1 @@ -1136,13 +1139,6 @@ int __init init_arch_irq(void) bfin_write_SIC_IWR(IWR_DISABLE_ALL); #endif -#ifdef CONFIG_IPIPE - for (irq = 0; irq < NR_IRQS; irq++) { - struct irq_desc *desc = irq_to_desc(irq); - desc->ic_prio = __ipipe_get_irq_priority(irq); - } -#endif /* CONFIG_IPIPE */ - return 0; } @@ -1156,23 +1152,22 @@ void do_irq(int vec, struct pt_regs *fp) } else { struct ivgx *ivg = ivg7_13[vec - IVG7].ifirst; struct ivgx *ivg_stop = ivg7_13[vec - IVG7].istop; -#if defined(CONFIG_BF54x) || defined(CONFIG_BF52x) || defined(CONFIG_BF561) \ - || defined(BF538_FAMILY) || defined(CONFIG_BF51x) +#if defined(SIC_ISR0) || defined(SICA_ISR0) unsigned long sic_status[3]; if (smp_processor_id()) { -#ifdef CONFIG_SMP +# ifdef SICB_ISR0 /* This will be optimized out in UP mode. */ sic_status[0] = bfin_read_SICB_ISR0() & bfin_read_SICB_IMASK0(); sic_status[1] = bfin_read_SICB_ISR1() & bfin_read_SICB_IMASK1(); -#endif +# endif } else { sic_status[0] = bfin_read_SIC_ISR0() & bfin_read_SIC_IMASK0(); sic_status[1] = bfin_read_SIC_ISR1() & bfin_read_SIC_IMASK1(); } -#ifdef CONFIG_BF54x +# ifdef SIC_ISR2 sic_status[2] = bfin_read_SIC_ISR2() & bfin_read_SIC_IMASK2(); -#endif +# endif for (;; ivg++) { if (ivg >= ivg_stop) { atomic_inc(&num_spurious); @@ -1236,20 +1231,16 @@ asmlinkage int __ipipe_grab_irq(int vec, struct pt_regs *regs) if (likely(vec == EVT_IVTMR_P)) { irq = IRQ_CORETMR; - goto core_tick; - } - SSYNC(); - -#if defined(CONFIG_BF54x) || defined(CONFIG_BF52x) || defined(CONFIG_BF561) - { + } else { +#if defined(SIC_ISR0) || defined(SICA_ISR0) unsigned long sic_status[3]; sic_status[0] = bfin_read_SIC_ISR0() & bfin_read_SIC_IMASK0(); sic_status[1] = bfin_read_SIC_ISR1() & bfin_read_SIC_IMASK1(); -#ifdef CONFIG_BF54x +# ifdef SIC_ISR2 sic_status[2] = bfin_read_SIC_ISR2() & bfin_read_SIC_IMASK2(); -#endif +# endif for (;; ivg++) { if (ivg >= ivg_stop) { atomic_inc(&num_spurious); @@ -1258,9 +1249,7 @@ asmlinkage int __ipipe_grab_irq(int vec, struct pt_regs *regs) if (sic_status[(ivg->irqno - IVG7) / 32] & ivg->isrflag) break; } - } #else - { unsigned long sic_status; sic_status = bfin_read_SIC_IMASK() & bfin_read_SIC_ISR(); @@ -1272,15 +1261,13 @@ asmlinkage int __ipipe_grab_irq(int vec, struct pt_regs *regs) } else if (sic_status & ivg->isrflag) break; } - } #endif - irq = ivg->irqno; + irq = ivg->irqno; + } if (irq == IRQ_SYSTMR) { -#ifdef CONFIG_GENERIC_CLOCKEVENTS -core_tick: -#else +#ifndef CONFIG_GENERIC_CLOCKEVENTS bfin_write_TIMER_STATUS(1); /* Latch TIMIL0 */ #endif /* This is basically what we need from the register frame. */ @@ -1292,9 +1279,6 @@ core_tick: __raw_get_cpu_var(__ipipe_tick_regs).ipend |= 0x10; } -#ifndef CONFIG_GENERIC_CLOCKEVENTS -core_tick: -#endif if (this_domain == ipipe_root_domain) { s = __test_and_set_bit(IPIPE_SYNCDEFER_FLAG, &p->status); barrier(); @@ -1312,7 +1296,7 @@ core_tick: } } - return 0; + return 0; } #endif /* CONFIG_IPIPE */ |