From patchwork Wed Aug 13 05:56:02 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Oleksandr Natalenko X-Patchwork-Id: 4716341 Return-Path: X-Original-To: patchwork-linux-pm@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork2.web.kernel.org (Postfix) with ESMTP id 10A37C0338 for ; Wed, 13 Aug 2014 05:56:12 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 5E764201BA for ; Wed, 13 Aug 2014 05:56:10 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 61AA3201B9 for ; Wed, 13 Aug 2014 05:56:08 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751076AbaHMF4H (ORCPT ); Wed, 13 Aug 2014 01:56:07 -0400 Received: from natalenko.name ([78.47.77.148]:34579 "EHLO natalenko.name" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750757AbaHMF4G (ORCPT ); Wed, 13 Aug 2014 01:56:06 -0400 Received: from spock.localnet (unknown [IPv6:2a01:d0:8acd:0:bc3e:2604:ea8c:9e13]) by natalenko.name (Postfix) with ESMTPSA id C158CA50F; Wed, 13 Aug 2014 08:56:02 +0300 (EEST) DMARC-Filter: OpenDMARC Filter v1.2.0 natalenko.name C158CA50F Authentication-Results: mail.natalenko.name; dmarc=none header.from=natalenko.name DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=natalenko.name; s=default; t=1407909363; bh=GPJUbe1mwH5z+wUTJfgHPaLad9Hz/1DBceu/W+FMHgY=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=waFFqCjS4cKlMYVgaQQjkH71JQxPJa1teOVlv2H9c7nACNFq+yb6gR3edATBZHlhz xNHXZe5w/CXdZObR14eGkDGKAeqfIROJnlZucvtZfRwTb4aIHmGwiv03MJcBiV59OA xtxnVXOXirxAbp924Wm+NkDLv50YFGpMkWlVTG1Q= From: Oleksandr Natalenko To: Viresh Kumar Cc: "linux-kernel@vger.kernel.org" , Linux PM list Subject: Re: [BUG] oops in cpufreq driver with AMD Kaveri CPU Date: Wed, 13 Aug 2014 08:56:02 +0300 Message-ID: <22004375.5nGJFy1vsr@spock> User-Agent: KMail/4.13.3 (Linux/3.15.0-pf5; KDE/4.13.3; x86_64; ; ) In-Reply-To: References: <4708675.eITUXPv8Ih@spock> <3606476.mQLS7miLfb@spock> MIME-Version: 1.0 Sender: linux-pm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-pm@vger.kernel.org X-Spam-Status: No, score=-6.6 required=5.0 tests=BAYES_00,DKIM_ADSP_ALL, DKIM_SIGNED, RCVD_IN_DNSWL_HI, RP_MATCHES_RCVD, T_DKIM_INVALID, T_TVD_MIME_EPI, UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP On Wednesday 13 August 2014 10:02:26 Viresh Kumar wrote: > That's why you should have copied the diff here, so that I could have > confirmed if what you have done is correct or not. You may check my modifications here [1] or attached to this email. [1] https://gist.github.com/bdcc7d41883b5e077974 From 493cd190339201c264cdc4cbc1c96c70c786a776 Mon Sep 17 00:00:00 2001 From: Oleksandr Natalenko Date: Wed, 13 Aug 2014 08:54:09 +0300 Subject: [PATCH] add cpufreq debug --- arch/arm/kernel/smp.c | 2 ++ arch/arm/kernel/smp_twd.c | 2 ++ arch/arm/mach-pxa/viper.c | 2 ++ arch/arm/mach-s3c24xx/mach-osiris-dvs.c | 2 ++ arch/blackfin/mach-common/dpmc.c | 2 ++ arch/cris/arch-v32/kernel/time.c | 3 +++ arch/powerpc/oprofile/op_model_cell.c | 3 +++ arch/sparc/kernel/time_64.c | 2 ++ arch/x86/kernel/tsc.c | 2 ++ arch/x86/kvm/x86.c | 2 ++ drivers/acpi/processor_perflib.c | 2 ++ drivers/acpi/processor_thermal.c | 2 ++ drivers/cpufreq/cpufreq.c | 1 + drivers/cpufreq/cpufreq_stats.c | 2 ++ drivers/cpufreq/cris-artpec3-cpufreq.c | 3 +++ drivers/cpufreq/cris-etraxfs-cpufreq.c | 3 +++ drivers/cpufreq/loongson2_cpufreq.c | 2 ++ drivers/cpufreq/ppc_cbe_cpufreq_pmi.c | 2 ++ drivers/gpu/drm/tilcdc/tilcdc_drv.c | 3 +++ drivers/i2c/busses/i2c-davinci.c | 2 ++ drivers/i2c/busses/i2c-s3c2410.c | 2 ++ drivers/macintosh/windfarm_cpufreq_clamp.c | 2 ++ drivers/mmc/host/davinci_mmc.c | 2 ++ drivers/mmc/host/s3cmci.c | 2 ++ drivers/mtd/nand/s3c2410.c | 2 ++ drivers/pcmcia/soc_common.c | 2 ++ drivers/staging/tidspbridge/rmgr/drv_interface.c | 2 ++ drivers/thermal/cpu_cooling.c | 2 ++ drivers/tty/serial/samsung.c | 2 ++ drivers/tty/serial/sh-sci.c | 2 ++ drivers/video/fbdev/da8xx-fb.c | 2 ++ drivers/video/fbdev/nuc900fb.c | 1 + drivers/video/fbdev/pxafb.c | 2 ++ drivers/video/fbdev/s3c2410fb.c | 2 ++ drivers/video/fbdev/sa1100fb.c | 2 ++ drivers/watchdog/s3c2410_wdt.c | 2 ++ 36 files changed, 75 insertions(+) diff --git a/arch/arm/kernel/smp.c b/arch/arm/kernel/smp.c index 7c4fada..57dff15 100644 --- a/arch/arm/kernel/smp.c +++ b/arch/arm/kernel/smp.c @@ -660,6 +660,8 @@ static int cpufreq_callback(struct notifier_block *nb, struct cpufreq_freqs *freq = data; int cpu = freq->cpu; + pr_info("%s\n", __func__); + if (freq->flags & CPUFREQ_CONST_LOOPS) return NOTIFY_OK; diff --git a/arch/arm/kernel/smp_twd.c b/arch/arm/kernel/smp_twd.c index dfc3213..986df64 100644 --- a/arch/arm/kernel/smp_twd.c +++ b/arch/arm/kernel/smp_twd.c @@ -161,6 +161,8 @@ static int twd_cpufreq_transition(struct notifier_block *nb, { struct cpufreq_freqs *freqs = data; + pr_info("%s\n", __func__); + /* * The twd clock events must be reprogrammed to account for the new * frequency. The timer is local to a cpu, so cross-call to the diff --git a/arch/arm/mach-pxa/viper.c b/arch/arm/mach-pxa/viper.c index 41f27f6..c047617 100644 --- a/arch/arm/mach-pxa/viper.c +++ b/arch/arm/mach-pxa/viper.c @@ -868,6 +868,8 @@ static int viper_cpufreq_notifier(struct notifier_block *nb, { struct cpufreq_freqs *freq = data; + pr_info("%s\n", __func__); + /* TODO: Adjust timings??? */ switch (val) { diff --git a/arch/arm/mach-s3c24xx/mach-osiris-dvs.c b/arch/arm/mach-s3c24xx/mach-osiris-dvs.c index 33afb91..1caf694 100644 --- a/arch/arm/mach-s3c24xx/mach-osiris-dvs.c +++ b/arch/arm/mach-s3c24xx/mach-osiris-dvs.c @@ -61,6 +61,8 @@ static int osiris_dvs_notify(struct notifier_block *nb, bool new_dvs = is_dvs(&freqs->new); int ret = 0; + pr_info("%s\n", __func__); + if (!dvs_en) return 0; diff --git a/arch/blackfin/mach-common/dpmc.c b/arch/blackfin/mach-common/dpmc.c index 724a8c5..1fd9a05 100644 --- a/arch/blackfin/mach-common/dpmc.c +++ b/arch/blackfin/mach-common/dpmc.c @@ -103,6 +103,8 @@ vreg_cpufreq_notifier(struct notifier_block *nb, unsigned long val, void *data) { struct cpufreq_freqs *freq = data; + pr_info("%s\n", __func__); + if (freq->cpu != CPUFREQ_CPU) return 0; diff --git a/arch/cris/arch-v32/kernel/time.c b/arch/cris/arch-v32/kernel/time.c index ee66866..b7cb448 100644 --- a/arch/cris/arch-v32/kernel/time.c +++ b/arch/cris/arch-v32/kernel/time.c @@ -303,6 +303,9 @@ cris_time_freq_notifier(struct notifier_block *nb, unsigned long val, void *data) { struct cpufreq_freqs *freqs = data; + + pr_info("%s\n", __func__); + if (val == CPUFREQ_POSTCHANGE) { reg_timer_r_tmr0_data data; reg_timer_rw_tmr0_div div = (freqs->new * 500) / HZ; diff --git a/arch/powerpc/oprofile/op_model_cell.c b/arch/powerpc/oprofile/op_model_cell.c index 863d893..283c5d1 100644 --- a/arch/powerpc/oprofile/op_model_cell.c +++ b/arch/powerpc/oprofile/op_model_cell.c @@ -1120,6 +1120,9 @@ oprof_cpufreq_notify(struct notifier_block *nb, unsigned long val, void *data) { int ret = 0; struct cpufreq_freqs *frq = data; + + pr_info("%s\n", __func__); + if ((val == CPUFREQ_PRECHANGE && frq->old < frq->new) || (val == CPUFREQ_POSTCHANGE && frq->old > frq->new)) set_spu_profiling_frequency(frq->new, spu_cycle_reset); diff --git a/arch/sparc/kernel/time_64.c b/arch/sparc/kernel/time_64.c index 3fddf64..af62a1a 100644 --- a/arch/sparc/kernel/time_64.c +++ b/arch/sparc/kernel/time_64.c @@ -654,6 +654,8 @@ static int sparc64_cpufreq_notifier(struct notifier_block *nb, unsigned long val unsigned int cpu = freq->cpu; struct freq_table *ft = &per_cpu(sparc64_freq_table, cpu); + pr_info("%s\n", __func__); + if (!ft->ref_freq) { ft->ref_freq = freq->old; ft->clock_tick_ref = cpu_data(cpu).clock_tick; diff --git a/arch/x86/kernel/tsc.c b/arch/x86/kernel/tsc.c index ea03031..81b9bbc 100644 --- a/arch/x86/kernel/tsc.c +++ b/arch/x86/kernel/tsc.c @@ -899,6 +899,8 @@ static int time_cpufreq_notifier(struct notifier_block *nb, unsigned long val, struct cpufreq_freqs *freq = data; unsigned long *lpj; + pr_info("%s\n", __func__); + if (cpu_has(&cpu_data(freq->cpu), X86_FEATURE_CONSTANT_TSC)) return 0; diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c index ef432f8..dcba683 100644 --- a/arch/x86/kvm/x86.c +++ b/arch/x86/kvm/x86.c @@ -5402,6 +5402,8 @@ static int kvmclock_cpu_notifier(struct notifier_block *nfb, { unsigned int cpu = (unsigned long)hcpu; + pr_info("%s\n", __func__); + switch (action) { case CPU_ONLINE: case CPU_DOWN_FAILED: diff --git a/drivers/acpi/processor_perflib.c b/drivers/acpi/processor_perflib.c index cfc8aba..eb858f7 100644 --- a/drivers/acpi/processor_perflib.c +++ b/drivers/acpi/processor_perflib.c @@ -79,6 +79,8 @@ static int acpi_processor_ppc_notifier(struct notifier_block *nb, struct acpi_processor *pr; unsigned int ppc = 0; + pr_info("CPUFREQ_NOTIFIER: %s\n", __func__); + if (event == CPUFREQ_START && ignore_ppc <= 0) { ignore_ppc = 0; return 0; diff --git a/drivers/acpi/processor_thermal.c b/drivers/acpi/processor_thermal.c index e003663..ef8fcec 100644 --- a/drivers/acpi/processor_thermal.c +++ b/drivers/acpi/processor_thermal.c @@ -89,6 +89,8 @@ static int acpi_thermal_cpufreq_notifier(struct notifier_block *nb, struct cpufreq_policy *policy = data; unsigned long max_freq = 0; + pr_info("CPUFREQ_NOTIFIER: %s\n", __func__); + if (event != CPUFREQ_ADJUST) goto out; diff --git a/drivers/cpufreq/cpufreq.c b/drivers/cpufreq/cpufreq.c index 6f02485..9255321 100644 --- a/drivers/cpufreq/cpufreq.c +++ b/drivers/cpufreq/cpufreq.c @@ -1764,6 +1764,7 @@ int cpufreq_register_notifier(struct notifier_block *nb, unsigned int list) switch (list) { case CPUFREQ_TRANSITION_NOTIFIER: + pr_info("Registered transition notifier: %p, (%p)\n", nb->notifier_call, &nb->notifier_call); ret = srcu_notifier_chain_register( &cpufreq_transition_notifier_list, nb); break; diff --git a/drivers/cpufreq/cpufreq_stats.c b/drivers/cpufreq/cpufreq_stats.c index 0cd9b4d..aed067c 100644 --- a/drivers/cpufreq/cpufreq_stats.c +++ b/drivers/cpufreq/cpufreq_stats.c @@ -298,6 +298,8 @@ static int cpufreq_stat_notifier_trans(struct notifier_block *nb, struct cpufreq_stats *stat; int old_index, new_index; + pr_info("CPUFREQ_NOTIFIER: %s\n", __func__); + if (val != CPUFREQ_POSTCHANGE) return 0; diff --git a/drivers/cpufreq/cris-artpec3-cpufreq.c b/drivers/cpufreq/cris-artpec3-cpufreq.c index 601b88c..357bc51 100644 --- a/drivers/cpufreq/cris-artpec3-cpufreq.c +++ b/drivers/cpufreq/cris-artpec3-cpufreq.c @@ -76,6 +76,9 @@ cris_sdram_freq_notifier(struct notifier_block *nb, unsigned long val, { int i; struct cpufreq_freqs *freqs = data; + + pr_info("%s\n", __func__); + if (val == CPUFREQ_PRECHANGE) { reg_ddr2_rw_cfg cfg = REG_RD(ddr2, regi_ddr2_ctrl, rw_cfg); diff --git a/drivers/cpufreq/cris-etraxfs-cpufreq.c b/drivers/cpufreq/cris-etraxfs-cpufreq.c index 22b2cdd..acc859d 100644 --- a/drivers/cpufreq/cris-etraxfs-cpufreq.c +++ b/drivers/cpufreq/cris-etraxfs-cpufreq.c @@ -76,6 +76,9 @@ cris_sdram_freq_notifier(struct notifier_block *nb, unsigned long val, { int i; struct cpufreq_freqs *freqs = data; + + pr_info("%s\n", __func__); + if (val == CPUFREQ_PRECHANGE) { reg_bif_core_rw_sdram_timing timing = REG_RD(bif_core, regi_bif_core, rw_sdram_timing); diff --git a/drivers/cpufreq/loongson2_cpufreq.c b/drivers/cpufreq/loongson2_cpufreq.c index d4add86..42446f4 100644 --- a/drivers/cpufreq/loongson2_cpufreq.c +++ b/drivers/cpufreq/loongson2_cpufreq.c @@ -36,6 +36,8 @@ static struct notifier_block loongson2_cpufreq_notifier_block = { static int loongson2_cpu_freq_notifier(struct notifier_block *nb, unsigned long val, void *data) { + pr_info("%s\n", __func__); + if (val == CPUFREQ_POSTCHANGE) current_cpu_data.udelay_val = loops_per_jiffy; diff --git a/drivers/cpufreq/ppc_cbe_cpufreq_pmi.c b/drivers/cpufreq/ppc_cbe_cpufreq_pmi.c index d29e8da..0f1f2b1 100644 --- a/drivers/cpufreq/ppc_cbe_cpufreq_pmi.c +++ b/drivers/cpufreq/ppc_cbe_cpufreq_pmi.c @@ -97,6 +97,8 @@ static int pmi_notifier(struct notifier_block *nb, struct cpufreq_frequency_table *cbe_freqs; u8 node; + pr_info("%s\n", __func__); + /* Should this really be called for CPUFREQ_ADJUST, CPUFREQ_INCOMPATIBLE * and CPUFREQ_NOTIFY policy events?) */ diff --git a/drivers/gpu/drm/tilcdc/tilcdc_drv.c b/drivers/gpu/drm/tilcdc/tilcdc_drv.c index b20b694..6defd4b 100644 --- a/drivers/gpu/drm/tilcdc/tilcdc_drv.c +++ b/drivers/gpu/drm/tilcdc/tilcdc_drv.c @@ -102,6 +102,9 @@ static int cpufreq_transition(struct notifier_block *nb, { struct tilcdc_drm_private *priv = container_of(nb, struct tilcdc_drm_private, freq_transition); + + pr_info("%s\n", __func__); + if (val == CPUFREQ_POSTCHANGE) { if (priv->lcd_fck_rate != clk_get_rate(priv->clk)) { priv->lcd_fck_rate = clk_get_rate(priv->clk); diff --git a/drivers/i2c/busses/i2c-davinci.c b/drivers/i2c/busses/i2c-davinci.c index 389bc68..8228027 100644 --- a/drivers/i2c/busses/i2c-davinci.c +++ b/drivers/i2c/busses/i2c-davinci.c @@ -589,6 +589,8 @@ static int i2c_davinci_cpufreq_transition(struct notifier_block *nb, { struct davinci_i2c_dev *dev; + pr_info("%s\n", __func__); + dev = container_of(nb, struct davinci_i2c_dev, freq_transition); if (val == CPUFREQ_PRECHANGE) { wait_for_completion(&dev->xfr_complete); diff --git a/drivers/i2c/busses/i2c-s3c2410.c b/drivers/i2c/busses/i2c-s3c2410.c index e828a1d..0c0ee6b 100644 --- a/drivers/i2c/busses/i2c-s3c2410.c +++ b/drivers/i2c/busses/i2c-s3c2410.c @@ -928,6 +928,8 @@ static int s3c24xx_i2c_cpufreq_transition(struct notifier_block *nb, int delta_f; int ret; + pr_info("%s\n", __func__); + delta_f = clk_get_rate(i2c->clk) - i2c->clkrate; /* if we're post-change and the input clock has slowed down diff --git a/drivers/macintosh/windfarm_cpufreq_clamp.c b/drivers/macintosh/windfarm_cpufreq_clamp.c index 72d1fdf..8342ae1 100644 --- a/drivers/macintosh/windfarm_cpufreq_clamp.c +++ b/drivers/macintosh/windfarm_cpufreq_clamp.c @@ -22,6 +22,8 @@ static int clamp_notifier_call(struct notifier_block *self, struct cpufreq_policy *p = data; unsigned long max_freq; + pr_info("%s\n", __func__); + if (event != CPUFREQ_ADJUST) return 0; diff --git a/drivers/mmc/host/davinci_mmc.c b/drivers/mmc/host/davinci_mmc.c index 5d4c5e0..bbb5a0e 100644 --- a/drivers/mmc/host/davinci_mmc.c +++ b/drivers/mmc/host/davinci_mmc.c @@ -1110,6 +1110,8 @@ static int mmc_davinci_cpufreq_transition(struct notifier_block *nb, struct mmc_host *mmc; unsigned long flags; + pr_info("%s\n", __func__); + host = container_of(nb, struct mmc_davinci_host, freq_transition); mmc = host->mmc; mmc_pclk = clk_get_rate(host->clk); diff --git a/drivers/mmc/host/s3cmci.c b/drivers/mmc/host/s3cmci.c index f237826..6bbdc6e 100644 --- a/drivers/mmc/host/s3cmci.c +++ b/drivers/mmc/host/s3cmci.c @@ -1451,6 +1451,8 @@ static int s3cmci_cpufreq_transition(struct notifier_block *nb, unsigned long newclk; unsigned long flags; + pr_info("%s\n", __func__); + host = container_of(nb, struct s3cmci_host, freq_transition); newclk = clk_get_rate(host->clk); mmc = host->mmc; diff --git a/drivers/mtd/nand/s3c2410.c b/drivers/mtd/nand/s3c2410.c index 79acbb8..d8eb2ee 100644 --- a/drivers/mtd/nand/s3c2410.c +++ b/drivers/mtd/nand/s3c2410.c @@ -686,6 +686,8 @@ static int s3c2410_nand_cpufreq_transition(struct notifier_block *nb, struct s3c2410_nand_info *info; unsigned long newclk; + pr_info("%s\n", __func__); + info = container_of(nb, struct s3c2410_nand_info, freq_transition); newclk = clk_get_rate(info->clk); diff --git a/drivers/pcmcia/soc_common.c b/drivers/pcmcia/soc_common.c index a2bc6ee..e67eb30 100644 --- a/drivers/pcmcia/soc_common.c +++ b/drivers/pcmcia/soc_common.c @@ -644,6 +644,8 @@ soc_pcmcia_notifier(struct notifier_block *nb, unsigned long val, void *data) struct cpufreq_freqs *freqs = data; int ret = 0; + pr_info("%s\n", __func__); + mutex_lock(&soc_pcmcia_sockets_lock); list_for_each_entry(skt, &soc_pcmcia_sockets, node) if (skt->ops->frequency_change) diff --git a/drivers/staging/tidspbridge/rmgr/drv_interface.c b/drivers/staging/tidspbridge/rmgr/drv_interface.c index 74d31da..a93e2e4 100644 --- a/drivers/staging/tidspbridge/rmgr/drv_interface.c +++ b/drivers/staging/tidspbridge/rmgr/drv_interface.c @@ -380,6 +380,8 @@ static int dspbridge_scale_notification(struct notifier_block *op, struct omap_dsp_platform_data *pdata = omap_dspbridge_dev->dev.platform_data; + pr_info("%s\n", __func__); + if (CPUFREQ_POSTCHANGE == val && pdata->dsp_get_opp) pwr_pm_post_scale(PRCM_VDD1, pdata->dsp_get_opp()); diff --git a/drivers/thermal/cpu_cooling.c b/drivers/thermal/cpu_cooling.c index 84a75f8..6f42abc 100644 --- a/drivers/thermal/cpu_cooling.c +++ b/drivers/thermal/cpu_cooling.c @@ -317,6 +317,8 @@ static int cpufreq_thermal_notifier(struct notifier_block *nb, struct cpufreq_policy *policy = data; unsigned long max_freq = 0; + pr_info("%s\n", __func__); + if (event != CPUFREQ_ADJUST || notify_device == NOTIFY_INVALID) return 0; diff --git a/drivers/tty/serial/samsung.c b/drivers/tty/serial/samsung.c index c1d3ebd..0dabb16 100644 --- a/drivers/tty/serial/samsung.c +++ b/drivers/tty/serial/samsung.c @@ -1066,6 +1066,8 @@ static int s3c24xx_serial_cpufreq_transition(struct notifier_block *nb, struct s3c24xx_uart_port *port; struct uart_port *uport; + pr_info("%s\n", __func__); + port = container_of(nb, struct s3c24xx_uart_port, freq_transition); uport = &port->port; diff --git a/drivers/tty/serial/sh-sci.c b/drivers/tty/serial/sh-sci.c index 88236da..aaa78fa 100644 --- a/drivers/tty/serial/sh-sci.c +++ b/drivers/tty/serial/sh-sci.c @@ -1039,6 +1039,8 @@ static int sci_notifier(struct notifier_block *self, struct sci_port *sci_port; unsigned long flags; + pr_info("%s\n", __func__); + sci_port = container_of(self, struct sci_port, freq_transition); if (phase == CPUFREQ_POSTCHANGE) { diff --git a/drivers/video/fbdev/da8xx-fb.c b/drivers/video/fbdev/da8xx-fb.c index a8484f7..4edf809 100644 --- a/drivers/video/fbdev/da8xx-fb.c +++ b/drivers/video/fbdev/da8xx-fb.c @@ -1048,6 +1048,8 @@ static int lcd_da8xx_cpufreq_transition(struct notifier_block *nb, { struct da8xx_fb_par *par; + pr_info("%s\n", __func__); + par = container_of(nb, struct da8xx_fb_par, freq_transition); if (val == CPUFREQ_POSTCHANGE) { if (par->lcdc_clk_rate != clk_get_rate(par->lcdc_clk)) { diff --git a/drivers/video/fbdev/nuc900fb.c b/drivers/video/fbdev/nuc900fb.c index 478f980..a2d62bc 100644 --- a/drivers/video/fbdev/nuc900fb.c +++ b/drivers/video/fbdev/nuc900fb.c @@ -484,6 +484,7 @@ static inline void nuc900fb_cpufreq_deregister(struct nuc900fb_info *fbi) static inline int nuc900fb_cpufreq_transition(struct notifier_block *nb, unsigned long val, void *data) { + pr_info("%s\n", __func__); return 0; } diff --git a/drivers/video/fbdev/pxafb.c b/drivers/video/fbdev/pxafb.c index 1ecd9ce..227eec7 100644 --- a/drivers/video/fbdev/pxafb.c +++ b/drivers/video/fbdev/pxafb.c @@ -1640,6 +1640,8 @@ pxafb_freq_transition(struct notifier_block *nb, unsigned long val, void *data) /* TODO struct cpufreq_freqs *f = data; */ u_int pcd; + pr_info("%s\n", __func__); + switch (val) { case CPUFREQ_PRECHANGE: #ifdef CONFIG_FB_PXA_OVERLAY diff --git a/drivers/video/fbdev/s3c2410fb.c b/drivers/video/fbdev/s3c2410fb.c index 81af5a6..eae9fc5 100644 --- a/drivers/video/fbdev/s3c2410fb.c +++ b/drivers/video/fbdev/s3c2410fb.c @@ -776,6 +776,8 @@ static int s3c2410fb_cpufreq_transition(struct notifier_block *nb, struct fb_info *fbinfo; long delta_f; + pr_info("%s\n", __func__); + info = container_of(nb, struct s3c2410fb_info, freq_transition); fbinfo = platform_get_drvdata(to_platform_device(info->dev)); diff --git a/drivers/video/fbdev/sa1100fb.c b/drivers/video/fbdev/sa1100fb.c index 580c444..da092bd 100644 --- a/drivers/video/fbdev/sa1100fb.c +++ b/drivers/video/fbdev/sa1100fb.c @@ -1006,6 +1006,8 @@ sa1100fb_freq_transition(struct notifier_block *nb, unsigned long val, struct cpufreq_freqs *f = data; u_int pcd; + pr_info("%s\n", __func__); + switch (val) { case CPUFREQ_PRECHANGE: set_ctrlr_state(fbi, C_DISABLE_CLKCHANGE); diff --git a/drivers/watchdog/s3c2410_wdt.c b/drivers/watchdog/s3c2410_wdt.c index 7c6ccd0..a01b11b 100644 --- a/drivers/watchdog/s3c2410_wdt.c +++ b/drivers/watchdog/s3c2410_wdt.c @@ -379,6 +379,8 @@ static int s3c2410wdt_cpufreq_transition(struct notifier_block *nb, int ret; struct s3c2410_wdt *wdt = freq_to_wdt(nb); + pr_info("%s\n", __func__); + if (!s3c2410wdt_is_running(wdt)) goto done; -- 1.9.1