gets rid of below messages with CONFIG_DEBUG_PREEMPT enabled [ 28.832916] debug_smp_processor_id: 18 callbacks suppressed [ 28.832946] BUG: using smp_processor_id() in preemptible [00000000] code: modprobe/1763 [ 28.841491] caller is pwrdm_set_next_pwrst+0x54/0x120
changes in v2: - rebased on 3.6-rc5 - use put_cpu() immediately after get_cpu() in omap3_pm_idle() Signed-off-by: Roger Quadros <rog...@ti.com> --- arch/arm/mach-omap2/clock.c | 9 ++++++--- arch/arm/mach-omap2/pm34xx.c | 12 ++++++++---- arch/arm/mach-omap2/powerdomain.c | 6 ++++-- 3 files changed, 18 insertions(+), 9 deletions(-) diff --git a/arch/arm/mach-omap2/clock.c b/arch/arm/mach-omap2/clock.c index ea3f565..06747b6 100644 --- a/arch/arm/mach-omap2/clock.c +++ b/arch/arm/mach-omap2/clock.c @@ -285,7 +285,8 @@ void omap2_clk_disable(struct clk *clk) pr_debug("clock: %s: disabling in hardware\n", clk->name); if (clk->ops && clk->ops->disable) { - trace_clock_disable(clk->name, 0, smp_processor_id()); + trace_clock_disable(clk->name, 0, get_cpu()); + put_cpu(); clk->ops->disable(clk); } @@ -339,7 +340,8 @@ int omap2_clk_enable(struct clk *clk) } if (clk->ops && clk->ops->enable) { - trace_clock_enable(clk->name, 1, smp_processor_id()); + trace_clock_enable(clk->name, 1, get_cpu()); + put_cpu(); ret = clk->ops->enable(clk); if (ret) { WARN(1, "clock: %s: could not enable: %d\n", @@ -380,7 +382,8 @@ int omap2_clk_set_rate(struct clk *clk, unsigned long rate) /* dpll_ck, core_ck, virt_prcm_set; plus all clksel clocks */ if (clk->set_rate) { - trace_clock_set_rate(clk->name, rate, smp_processor_id()); + trace_clock_set_rate(clk->name, rate, get_cpu()); + put_cpu(); ret = clk->set_rate(clk, rate); } diff --git a/arch/arm/mach-omap2/pm34xx.c b/arch/arm/mach-omap2/pm34xx.c index 05bd8f0..5aa0a11 100644 --- a/arch/arm/mach-omap2/pm34xx.c +++ b/arch/arm/mach-omap2/pm34xx.c @@ -346,18 +346,22 @@ void omap_sram_idle(void) static void omap3_pm_idle(void) { + unsigned cpu; + local_fiq_disable(); if (omap_irq_pending()) goto out; - trace_power_start(POWER_CSTATE, 1, smp_processor_id()); - trace_cpu_idle(1, smp_processor_id()); + cpu = get_cpu(); + put_cpu(); + trace_power_start(POWER_CSTATE, 1, cpu); + trace_cpu_idle(1, cpu); omap_sram_idle(); - trace_power_end(smp_processor_id()); - trace_cpu_idle(PWR_EVENT_EXIT, smp_processor_id()); + trace_power_end(cpu); + trace_cpu_idle(PWR_EVENT_EXIT, cpu); out: local_fiq_enable(); diff --git a/arch/arm/mach-omap2/powerdomain.c b/arch/arm/mach-omap2/powerdomain.c index 69b36e1..138bf86 100644 --- a/arch/arm/mach-omap2/powerdomain.c +++ b/arch/arm/mach-omap2/powerdomain.c @@ -169,7 +169,8 @@ static int _pwrdm_state_switch(struct powerdomain *pwrdm, int flag) ((state & OMAP_POWERSTATE_MASK) << 8) | ((prev & OMAP_POWERSTATE_MASK) << 0)); trace_power_domain_target(pwrdm->name, trace_state, - smp_processor_id()); + get_cpu()); + put_cpu(); } break; default: @@ -491,7 +492,8 @@ int pwrdm_set_next_pwrst(struct powerdomain *pwrdm, u8 pwrst) if (arch_pwrdm && arch_pwrdm->pwrdm_set_next_pwrst) { /* Trace the pwrdm desired target state */ trace_power_domain_target(pwrdm->name, pwrst, - smp_processor_id()); + get_cpu()); + put_cpu(); /* Program the pwrdm desired target state */ ret = arch_pwrdm->pwrdm_set_next_pwrst(pwrdm, pwrst); } -- 1.7.4.1 -- To unsubscribe from this list: send the line "unsubscribe linux-omap" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html