diff options
author | Ingo Molnar <mingo@elte.hu> | 2008-06-16 11:28:04 +0200 |
---|---|---|
committer | Ingo Molnar <mingo@elte.hu> | 2008-06-16 11:28:04 +0200 |
commit | 7aaaec38fcd9ef3172e69f8c19f20113830a8498 (patch) | |
tree | b12a1c359ad53ae10601f77b3438bb27c3c8f337 /arch/blackfin/kernel | |
parent | 1ac97018169c5a13feaa90d9671f2d6ba2d9e86e (diff) | |
parent | 066519068ad2fbe98c7f45552b1f592903a9c8c8 (diff) |
Merge branch 'linus' into x86/kconfigtip-x86-kconfig-2008-06-16_09.28_Mon
Diffstat (limited to 'arch/blackfin/kernel')
-rw-r--r-- | arch/blackfin/kernel/bfin_dma_5xx.c | 11 | ||||
-rw-r--r-- | arch/blackfin/kernel/bfin_gpio.c | 19 | ||||
-rw-r--r-- | arch/blackfin/kernel/bfin_ksyms.c | 2 | ||||
-rw-r--r-- | arch/blackfin/kernel/gptimers.c | 2 | ||||
-rw-r--r-- | arch/blackfin/kernel/init_task.c | 1 | ||||
-rw-r--r-- | arch/blackfin/kernel/traps.c | 24 |
6 files changed, 44 insertions, 15 deletions
diff --git a/arch/blackfin/kernel/bfin_dma_5xx.c b/arch/blackfin/kernel/bfin_dma_5xx.c index fd5448d6107c..d54f19085f37 100644 --- a/arch/blackfin/kernel/bfin_dma_5xx.c +++ b/arch/blackfin/kernel/bfin_dma_5xx.c @@ -90,6 +90,17 @@ int request_dma(unsigned int channel, char *device_id) { pr_debug("request_dma() : BEGIN \n"); + +#if defined(CONFIG_BF561) && ANOMALY_05000182 + if (channel >= CH_IMEM_STREAM0_DEST && channel <= CH_IMEM_STREAM1_DEST) { + if (get_cclk() > 500000000) { + printk(KERN_WARNING + "Request IMDMA failed due to ANOMALY 05000182\n"); + return -EFAULT; + } + } +#endif + mutex_lock(&(dma_ch[channel].dmalock)); if ((dma_ch[channel].chan_status == DMA_CHANNEL_REQUESTED) diff --git a/arch/blackfin/kernel/bfin_gpio.c b/arch/blackfin/kernel/bfin_gpio.c index 7e8eaf4a31bb..b6d89d1644cc 100644 --- a/arch/blackfin/kernel/bfin_gpio.c +++ b/arch/blackfin/kernel/bfin_gpio.c @@ -1130,6 +1130,25 @@ void bfin_gpio_irq_prepare(unsigned gpio) #else +int gpio_get_value(unsigned gpio) +{ + unsigned long flags; + int ret; + + if (unlikely(get_gpio_edge(gpio))) { + local_irq_save(flags); + set_gpio_edge(gpio, 0); + ret = get_gpio_data(gpio); + set_gpio_edge(gpio, 1); + local_irq_restore(flags); + + return ret; + } else + return get_gpio_data(gpio); +} +EXPORT_SYMBOL(gpio_get_value); + + int gpio_direction_input(unsigned gpio) { unsigned long flags; diff --git a/arch/blackfin/kernel/bfin_ksyms.c b/arch/blackfin/kernel/bfin_ksyms.c index 053edff6c0d8..4367330909b2 100644 --- a/arch/blackfin/kernel/bfin_ksyms.c +++ b/arch/blackfin/kernel/bfin_ksyms.c @@ -90,7 +90,9 @@ EXPORT_SYMBOL(__umodsi3); EXPORT_SYMBOL(outsb); EXPORT_SYMBOL(insb); EXPORT_SYMBOL(outsw); +EXPORT_SYMBOL(outsw_8); EXPORT_SYMBOL(insw); +EXPORT_SYMBOL(insw_8); EXPORT_SYMBOL(outsl); EXPORT_SYMBOL(insl); EXPORT_SYMBOL(insl_16); diff --git a/arch/blackfin/kernel/gptimers.c b/arch/blackfin/kernel/gptimers.c index e698554895a7..3a3e9615b002 100644 --- a/arch/blackfin/kernel/gptimers.c +++ b/arch/blackfin/kernel/gptimers.c @@ -10,8 +10,8 @@ #include <linux/kernel.h> #include <linux/module.h> +#include <linux/io.h> -#include <asm/io.h> #include <asm/blackfin.h> #include <asm/gptimers.h> diff --git a/arch/blackfin/kernel/init_task.c b/arch/blackfin/kernel/init_task.c index c640154030e2..6bdba7b21109 100644 --- a/arch/blackfin/kernel/init_task.c +++ b/arch/blackfin/kernel/init_task.c @@ -34,7 +34,6 @@ #include <linux/fs.h> static struct fs_struct init_fs = INIT_FS; -static struct files_struct init_files = INIT_FILES; static struct signal_struct init_signals = INIT_SIGNALS(init_signals); static struct sighand_struct init_sighand = INIT_SIGHAND(init_sighand); diff --git a/arch/blackfin/kernel/traps.c b/arch/blackfin/kernel/traps.c index 5b847070dae5..f061f5181623 100644 --- a/arch/blackfin/kernel/traps.c +++ b/arch/blackfin/kernel/traps.c @@ -67,7 +67,7 @@ void __init trap_init(void) CSYNC(); } -void *saved_icplb_fault_addr, *saved_dcplb_fault_addr; +unsigned long saved_icplb_fault_addr, saved_dcplb_fault_addr; int kstack_depth_to_print = 48; @@ -364,13 +364,13 @@ asmlinkage void trap_c(struct pt_regs *fp) /* 0x27 - Data CPLB Multiple Hits - Linux Trap Zero, handled here */ case VEC_CPLB_MHIT: info.si_code = ILL_CPLB_MULHIT; -#ifdef CONFIG_DEBUG_HUNT_FOR_ZERO sig = SIGSEGV; - printk(KERN_NOTICE "NULL pointer access (probably)\n"); -#else - sig = SIGILL; - printk(KERN_NOTICE EXC_0x27(KERN_NOTICE)); +#ifdef CONFIG_DEBUG_HUNT_FOR_ZERO + if (saved_dcplb_fault_addr < FIXED_CODE_START) + printk(KERN_NOTICE "NULL pointer access\n"); + else #endif + printk(KERN_NOTICE EXC_0x27(KERN_NOTICE)); CHK_DEBUGGER_TRAP(); break; /* 0x28 - Emulation Watchpoint, handled here */ @@ -419,13 +419,13 @@ asmlinkage void trap_c(struct pt_regs *fp) /* 0x2D - Instruction CPLB Multiple Hits, handled here */ case VEC_CPLB_I_MHIT: info.si_code = ILL_CPLB_MULHIT; -#ifdef CONFIG_DEBUG_HUNT_FOR_ZERO sig = SIGSEGV; - printk(KERN_NOTICE "Jump to address 0 - 0x0fff\n"); -#else - sig = SIGILL; - printk(KERN_NOTICE EXC_0x2D(KERN_NOTICE)); +#ifdef CONFIG_DEBUG_HUNT_FOR_ZERO + if (saved_icplb_fault_addr < FIXED_CODE_START) + printk(KERN_NOTICE "Jump to NULL address\n"); + else #endif + printk(KERN_NOTICE EXC_0x2D(KERN_NOTICE)); CHK_DEBUGGER_TRAP(); break; /* 0x2E - Illegal use of Supervisor Resource, handled here */ @@ -939,8 +939,6 @@ void panic_cplb_error(int cplb_panic, struct pt_regs *fp) oops_in_progress = 1; - printk(KERN_EMERG "DCPLB_FAULT_ADDR=%p\n", saved_dcplb_fault_addr); - printk(KERN_EMERG "ICPLB_FAULT_ADDR=%p\n", saved_icplb_fault_addr); dump_bfin_process(fp); dump_bfin_mem(fp); show_regs(fp); |