diff options
Diffstat (limited to 'arch/blackfin/mach-common')
| -rw-r--r-- | arch/blackfin/mach-common/cpufreq.c | 9 | ||||
| -rw-r--r-- | arch/blackfin/mach-common/ints-priority.c | 1 | ||||
| -rw-r--r-- | arch/blackfin/mach-common/smp.c | 4 |
3 files changed, 5 insertions, 9 deletions
diff --git a/arch/blackfin/mach-common/cpufreq.c b/arch/blackfin/mach-common/cpufreq.c index c854a27..d88bd31 100644 --- a/arch/blackfin/mach-common/cpufreq.c +++ b/arch/blackfin/mach-common/cpufreq.c @@ -77,15 +77,14 @@ static void __init bfin_init_tables(unsigned long cclk, unsigned long sclk) csel = bfin_read32(CGU0_DIV) & 0x1F; #endif - for (index = 0; (cclk >> index) >= min_cclk && csel <= 3; index++, csel++) { + for (index = 0; (cclk >> index) >= min_cclk && csel <= 3 && index < 3; index++, csel++) { bfin_freq_table[index].frequency = cclk >> index; #ifndef CONFIG_BF60x dpm_state_table[index].csel = csel << 4; /* Shift now into PLL_DIV bitpos */ - dpm_state_table[index].tscale = (TIME_SCALE / (1 << csel)) - 1; #else dpm_state_table[index].csel = csel; - dpm_state_table[index].tscale = TIME_SCALE >> index; #endif + dpm_state_table[index].tscale = (TIME_SCALE >> index) - 1; pr_debug("cpufreq: freq:%d csel:0x%x tscale:%d\n", bfin_freq_table[index].frequency, @@ -135,7 +134,7 @@ static int bfin_target(struct cpufreq_policy *poli, unsigned int plldiv; #endif unsigned int index, cpu; - unsigned long flags, cclk_hz; + unsigned long cclk_hz; struct cpufreq_freqs freqs; static unsigned long lpj_ref; static unsigned int lpj_ref_freq; @@ -166,7 +165,6 @@ static int bfin_target(struct cpufreq_policy *poli, cpufreq_notify_transition(&freqs, CPUFREQ_PRECHANGE); if (cpu == CPUFREQ_CPU) { - flags = hard_local_irq_save(); #ifndef CONFIG_BF60x plldiv = (bfin_read_PLL_DIV() & SSEL) | dpm_state_table[index].csel; @@ -195,7 +193,6 @@ static int bfin_target(struct cpufreq_policy *poli, loops_per_jiffy = cpufreq_scale(lpj_ref, lpj_ref_freq, freqs.new); } - hard_local_irq_restore(flags); } /* TODO: just test case for cycles clock source, remove later */ cpufreq_notify_transition(&freqs, CPUFREQ_POSTCHANGE); diff --git a/arch/blackfin/mach-common/ints-priority.c b/arch/blackfin/mach-common/ints-priority.c index 7ca09ec..902bebc 100644 --- a/arch/blackfin/mach-common/ints-priority.c +++ b/arch/blackfin/mach-common/ints-priority.c @@ -1441,7 +1441,6 @@ int __init init_arch_irq(void) IMASK_IVG14 | IMASK_IVG13 | IMASK_IVG12 | IMASK_IVG11 | IMASK_IVG10 | IMASK_IVG9 | IMASK_IVG8 | IMASK_IVG7 | IMASK_IVGHW; - bfin_sti(bfin_irq_flags); /* This implicitly covers ANOMALY_05000171 * Boot-ROM code modifies SICA_IWRx wakeup registers diff --git a/arch/blackfin/mach-common/smp.c b/arch/blackfin/mach-common/smp.c index a401513..bb61ae4 100644 --- a/arch/blackfin/mach-common/smp.c +++ b/arch/blackfin/mach-common/smp.c @@ -146,7 +146,7 @@ static irqreturn_t ipi_handler_int1(int irq, void *dev_instance) platform_clear_ipi(cpu, IRQ_SUPPLE_1); bfin_ipi_data = &__get_cpu_var(bfin_ipi); - + smp_mb(); while ((pending = xchg(&bfin_ipi_data->bits, 0)) != 0) { msg = 0; do { @@ -195,7 +195,7 @@ void send_ipi(const struct cpumask *cpumask, enum ipi_message_type msg) unsigned long flags; local_irq_save(flags); - + smp_mb(); for_each_cpu(cpu, cpumask) { bfin_ipi_data = &per_cpu(bfin_ipi, cpu); smp_mb(); |