From patchwork Tue Jul 16 04:06:08 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Viresh Kumar X-Patchwork-Id: 1132426 Return-Path: X-Original-To: patchwork-incoming@ozlabs.org Delivered-To: patchwork-incoming@ozlabs.org Received: from lists.ozlabs.org (lists.ozlabs.org [203.11.71.2]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 45nn1H4kKfz9sDB for ; Tue, 16 Jul 2019 14:07:47 +1000 (AEST) Authentication-Results: ozlabs.org; dmarc=fail (p=none dis=none) header.from=linaro.org Authentication-Results: ozlabs.org; dkim=fail reason="signature verification failed" (2048-bit key; unprotected) header.d=linaro.org header.i=@linaro.org header.b="yXFgeTvy"; dkim-atps=neutral Received: from lists.ozlabs.org (lists.ozlabs.org [IPv6:2401:3900:2:1::3]) by lists.ozlabs.org (Postfix) with ESMTP id 45nn1H0jp2zDqWb for ; Tue, 16 Jul 2019 14:07:47 +1000 (AEST) X-Original-To: linuxppc-dev@lists.ozlabs.org Delivered-To: linuxppc-dev@lists.ozlabs.org Authentication-Results: lists.ozlabs.org; spf=pass (mailfrom) smtp.mailfrom=linaro.org (client-ip=2607:f8b0:4864:20::442; helo=mail-pf1-x442.google.com; envelope-from=viresh.kumar@linaro.org; receiver=) Authentication-Results: lists.ozlabs.org; dmarc=pass (p=none dis=none) header.from=linaro.org Authentication-Results: lists.ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=linaro.org header.i=@linaro.org header.b="yXFgeTvy"; dkim-atps=neutral Received: from mail-pf1-x442.google.com (mail-pf1-x442.google.com [IPv6:2607:f8b0:4864:20::442]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 45nmzf1BB2zDqQ1 for ; Tue, 16 Jul 2019 14:06:19 +1000 (AEST) Received: by mail-pf1-x442.google.com with SMTP id p184so8419932pfp.7 for ; Mon, 15 Jul 2019 21:06:19 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=ccxxfOf2COKPz3gF/GASFf+G347lFRmIkyzvf+UJbqU=; b=yXFgeTvyFlr02ASNk+po2pRrdKW1F+Co5qiGmZA0+I37xxl9P/DsnQDcNtkvQVzMDK 2Q1AjMN8Tii6oaxXFYyEgqp3JwZcqk9zV9Rjxawp65BxBeq3EjY6DPnk3xKZpkUvXxgO 5FXpMLIdQF2bQ5sqshg3A9w2dQYBJgcblTVsbYwpS6IfEX291q1Cvw8q8/8DPqI1DR2w 9WICToUIdOYTuZ9mcBopKBmh7hL/zL+uXvEAMNNPeZ5vDIuMsA4bVfBZfRwR2DnZ22lr Z1wSGgeKcko61w7PoTLcbwp5S1kmyfyMpIpWCYqiroNH31pKMIqm+j1hAv771w0I8OOC +WyA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=ccxxfOf2COKPz3gF/GASFf+G347lFRmIkyzvf+UJbqU=; b=DKy5RBGFdavGj0iS5i54/ahOLoUWpLPTnWJsKAKx3tyUHvhB12ip2lvSRYFpcJPGLt xMJ/5BHfX6oLT49sygqmYl/e+pdZQZ4Y6jiFS+i5Ked/AikZeNFkgbOw67oN+/8qyaZC R7u42De/qqieQhpMvgba3BNPSfsvCv1N00zWZdhoNkc6YUEnnShgbGcz+9MctOWTt5Pt RoOj4gSTyW5aj8xAnx49brWQV1wiv352Fu4F3M/MeG2frA6K2dvJf3N9pnTfg2/wJEhp UJeM/vFUoutTjNIiNc7LMWB0FQEkXUDkg65nfmFXP/IfSrBATsqBvaRSIBJQjg+esTuO XwIA== X-Gm-Message-State: APjAAAWqcjJZAroihrnQLzc6w0SQGo1uZ9yGZ2/lOMRSmOhCp+aowKgY dwHcDoypJXWipPOZhCPN9TV1zQ== X-Google-Smtp-Source: APXvYqxwvUYXkIMZc5qnTHSMczdFfOXOoKcP6o3M8cjDOFZFAbiDJTMf4Z5LFTthdjToNxyB3+3YLg== X-Received: by 2002:a17:90a:3086:: with SMTP id h6mr34052721pjb.14.1563249977483; Mon, 15 Jul 2019 21:06:17 -0700 (PDT) Received: from localhost ([122.172.28.117]) by smtp.gmail.com with ESMTPSA id f72sm27194650pjg.10.2019.07.15.21.06.16 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Mon, 15 Jul 2019 21:06:16 -0700 (PDT) From: Viresh Kumar To: Rafael Wysocki , Markus Mayer , bcm-kernel-feedback-list@broadcom.com, Shawn Guo , Sascha Hauer , Pengutronix Kernel Team , Fabio Estevam , NXP Linux Team , Keguang Zhang , Jiaxun Yang , Kevin Hilman , Benjamin Herrenschmidt , Paul Mackerras , Michael Ellerman , Kukjin Kim , Krzysztof Kozlowski , Thierry Reding , Jonathan Hunter Subject: [PATCH V3] cpufreq: Make cpufreq_generic_init() return void Date: Tue, 16 Jul 2019 09:36:08 +0530 Message-Id: <770b46d99e2fa88bc8cdfd95388374284c8b3cf8.1563249700.git.viresh.kumar@linaro.org> X-Mailer: git-send-email 2.21.0.rc0.269.g1a574e7a288b MIME-Version: 1.0 X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-samsung-soc@vger.kernel.org, Vincent Guittot , linux-pm@vger.kernel.org, Viresh Kumar , linux-mips@vger.kernel.org, linux-kernel@vger.kernel.org, linux-tegra@vger.kernel.org, linux-omap@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-arm-kernel@lists.infradead.org Errors-To: linuxppc-dev-bounces+patchwork-incoming=ozlabs.org@lists.ozlabs.org Sender: "Linuxppc-dev" It always returns 0 (success) and its return type should really be void. Over that, many drivers have added error handling code based on its return value, which is not required at all. change its return type to void and update all the callers. Signed-off-by: Viresh Kumar --- V2->V3: - Update bmips cpufreq driver to avoid "warning: 'ret' may be used uninitialized". - Build bot reported this issue almost after 4 days of posting this patch, I was expecting this a lot earlier :) drivers/cpufreq/bmips-cpufreq.c | 17 ++++++----------- drivers/cpufreq/cpufreq.c | 4 +--- drivers/cpufreq/davinci-cpufreq.c | 3 ++- drivers/cpufreq/imx6q-cpufreq.c | 6 ++---- drivers/cpufreq/kirkwood-cpufreq.c | 3 ++- drivers/cpufreq/loongson1-cpufreq.c | 8 +++----- drivers/cpufreq/loongson2_cpufreq.c | 3 ++- drivers/cpufreq/maple-cpufreq.c | 3 ++- drivers/cpufreq/omap-cpufreq.c | 15 +++++---------- drivers/cpufreq/pasemi-cpufreq.c | 3 ++- drivers/cpufreq/pmac32-cpufreq.c | 3 ++- drivers/cpufreq/pmac64-cpufreq.c | 3 ++- drivers/cpufreq/s3c2416-cpufreq.c | 9 ++------- drivers/cpufreq/s3c64xx-cpufreq.c | 15 +++------------ drivers/cpufreq/s5pv210-cpufreq.c | 3 ++- drivers/cpufreq/sa1100-cpufreq.c | 3 ++- drivers/cpufreq/sa1110-cpufreq.c | 3 ++- drivers/cpufreq/spear-cpufreq.c | 3 ++- drivers/cpufreq/tegra20-cpufreq.c | 8 +------- include/linux/cpufreq.h | 2 +- 20 files changed, 46 insertions(+), 71 deletions(-) diff --git a/drivers/cpufreq/bmips-cpufreq.c b/drivers/cpufreq/bmips-cpufreq.c index 56a4ebbf00e0..f7c23fa468f0 100644 --- a/drivers/cpufreq/bmips-cpufreq.c +++ b/drivers/cpufreq/bmips-cpufreq.c @@ -131,23 +131,18 @@ static int bmips_cpufreq_exit(struct cpufreq_policy *policy) static int bmips_cpufreq_init(struct cpufreq_policy *policy) { struct cpufreq_frequency_table *freq_table; - int ret; freq_table = bmips_cpufreq_get_freq_table(policy); if (IS_ERR(freq_table)) { - ret = PTR_ERR(freq_table); - pr_err("%s: couldn't determine frequency table (%d).\n", - BMIPS_CPUFREQ_NAME, ret); - return ret; + pr_err("%s: couldn't determine frequency table (%ld).\n", + BMIPS_CPUFREQ_NAME, PTR_ERR(freq_table)); + return PTR_ERR(freq_table); } - ret = cpufreq_generic_init(policy, freq_table, TRANSITION_LATENCY); - if (ret) - bmips_cpufreq_exit(policy); - else - pr_info("%s: registered\n", BMIPS_CPUFREQ_NAME); + cpufreq_generic_init(policy, freq_table, TRANSITION_LATENCY); + pr_info("%s: registered\n", BMIPS_CPUFREQ_NAME); - return ret; + return 0; } static struct cpufreq_driver bmips_cpufreq_driver = { diff --git a/drivers/cpufreq/cpufreq.c b/drivers/cpufreq/cpufreq.c index 4d6043ee7834..8dda62367816 100644 --- a/drivers/cpufreq/cpufreq.c +++ b/drivers/cpufreq/cpufreq.c @@ -159,7 +159,7 @@ EXPORT_SYMBOL_GPL(arch_set_freq_scale); * - set policies transition latency * - policy->cpus with all possible CPUs */ -int cpufreq_generic_init(struct cpufreq_policy *policy, +void cpufreq_generic_init(struct cpufreq_policy *policy, struct cpufreq_frequency_table *table, unsigned int transition_latency) { @@ -171,8 +171,6 @@ int cpufreq_generic_init(struct cpufreq_policy *policy, * share the clock and voltage and clock. */ cpumask_setall(policy->cpus); - - return 0; } EXPORT_SYMBOL_GPL(cpufreq_generic_init); diff --git a/drivers/cpufreq/davinci-cpufreq.c b/drivers/cpufreq/davinci-cpufreq.c index 3de48ae60c29..297d23cad8b5 100644 --- a/drivers/cpufreq/davinci-cpufreq.c +++ b/drivers/cpufreq/davinci-cpufreq.c @@ -90,7 +90,8 @@ static int davinci_cpu_init(struct cpufreq_policy *policy) * Setting the latency to 2000 us to accommodate addition of drivers * to pre/post change notification list. */ - return cpufreq_generic_init(policy, freq_table, 2000 * 1000); + cpufreq_generic_init(policy, freq_table, 2000 * 1000); + return 0; } static struct cpufreq_driver davinci_driver = { diff --git a/drivers/cpufreq/imx6q-cpufreq.c b/drivers/cpufreq/imx6q-cpufreq.c index 47ccfa6b17b7..648a09a1778a 100644 --- a/drivers/cpufreq/imx6q-cpufreq.c +++ b/drivers/cpufreq/imx6q-cpufreq.c @@ -190,14 +190,12 @@ static int imx6q_set_target(struct cpufreq_policy *policy, unsigned int index) static int imx6q_cpufreq_init(struct cpufreq_policy *policy) { - int ret; - policy->clk = clks[ARM].clk; - ret = cpufreq_generic_init(policy, freq_table, transition_latency); + cpufreq_generic_init(policy, freq_table, transition_latency); policy->suspend_freq = max_freq; dev_pm_opp_of_register_em(policy->cpus); - return ret; + return 0; } static struct cpufreq_driver imx6q_cpufreq_driver = { diff --git a/drivers/cpufreq/kirkwood-cpufreq.c b/drivers/cpufreq/kirkwood-cpufreq.c index 7ab564c1f7ae..cb74bdc5baaa 100644 --- a/drivers/cpufreq/kirkwood-cpufreq.c +++ b/drivers/cpufreq/kirkwood-cpufreq.c @@ -85,7 +85,8 @@ static int kirkwood_cpufreq_target(struct cpufreq_policy *policy, /* Module init and exit code */ static int kirkwood_cpufreq_cpu_init(struct cpufreq_policy *policy) { - return cpufreq_generic_init(policy, kirkwood_freq_table, 5000); + cpufreq_generic_init(policy, kirkwood_freq_table, 5000); + return 0; } static struct cpufreq_driver kirkwood_cpufreq_driver = { diff --git a/drivers/cpufreq/loongson1-cpufreq.c b/drivers/cpufreq/loongson1-cpufreq.c index 21c9ce8526c0..0ea88778882a 100644 --- a/drivers/cpufreq/loongson1-cpufreq.c +++ b/drivers/cpufreq/loongson1-cpufreq.c @@ -81,7 +81,7 @@ static int ls1x_cpufreq_init(struct cpufreq_policy *policy) struct device *cpu_dev = get_cpu_device(policy->cpu); struct cpufreq_frequency_table *freq_tbl; unsigned int pll_freq, freq; - int steps, i, ret; + int steps, i; pll_freq = clk_get_rate(cpufreq->pll_clk) / 1000; @@ -103,11 +103,9 @@ static int ls1x_cpufreq_init(struct cpufreq_policy *policy) freq_tbl[i].frequency = CPUFREQ_TABLE_END; policy->clk = cpufreq->clk; - ret = cpufreq_generic_init(policy, freq_tbl, 0); - if (ret) - kfree(freq_tbl); + cpufreq_generic_init(policy, freq_tbl, 0); - return ret; + return 0; } static int ls1x_cpufreq_exit(struct cpufreq_policy *policy) diff --git a/drivers/cpufreq/loongson2_cpufreq.c b/drivers/cpufreq/loongson2_cpufreq.c index da344696beed..890813e0bb76 100644 --- a/drivers/cpufreq/loongson2_cpufreq.c +++ b/drivers/cpufreq/loongson2_cpufreq.c @@ -95,7 +95,8 @@ static int loongson2_cpufreq_cpu_init(struct cpufreq_policy *policy) } policy->clk = cpuclk; - return cpufreq_generic_init(policy, &loongson2_clockmod_table[0], 0); + cpufreq_generic_init(policy, &loongson2_clockmod_table[0], 0); + return 0; } static int loongson2_cpufreq_exit(struct cpufreq_policy *policy) diff --git a/drivers/cpufreq/maple-cpufreq.c b/drivers/cpufreq/maple-cpufreq.c index f5220b3d4ec5..28d346062166 100644 --- a/drivers/cpufreq/maple-cpufreq.c +++ b/drivers/cpufreq/maple-cpufreq.c @@ -140,7 +140,8 @@ static unsigned int maple_cpufreq_get_speed(unsigned int cpu) static int maple_cpufreq_cpu_init(struct cpufreq_policy *policy) { - return cpufreq_generic_init(policy, maple_cpu_freqs, 12000); + cpufreq_generic_init(policy, maple_cpu_freqs, 12000); + return 0; } static struct cpufreq_driver maple_cpufreq_driver = { diff --git a/drivers/cpufreq/omap-cpufreq.c b/drivers/cpufreq/omap-cpufreq.c index 29643f06a3c3..8d14b42a8c6f 100644 --- a/drivers/cpufreq/omap-cpufreq.c +++ b/drivers/cpufreq/omap-cpufreq.c @@ -122,23 +122,18 @@ static int omap_cpu_init(struct cpufreq_policy *policy) dev_err(mpu_dev, "%s: cpu%d: failed creating freq table[%d]\n", __func__, policy->cpu, result); - goto fail; + clk_put(policy->clk); + return result; } } atomic_inc_return(&freq_table_users); /* FIXME: what's the actual transition time? */ - result = cpufreq_generic_init(policy, freq_table, 300 * 1000); - if (!result) { - dev_pm_opp_of_register_em(policy->cpus); - return 0; - } + cpufreq_generic_init(policy, freq_table, 300 * 1000); + dev_pm_opp_of_register_em(policy->cpus); - freq_table_free(); -fail: - clk_put(policy->clk); - return result; + return 0; } static int omap_cpu_exit(struct cpufreq_policy *policy) diff --git a/drivers/cpufreq/pasemi-cpufreq.c b/drivers/cpufreq/pasemi-cpufreq.c index 6b1e4abe3248..93f39a1d4c3d 100644 --- a/drivers/cpufreq/pasemi-cpufreq.c +++ b/drivers/cpufreq/pasemi-cpufreq.c @@ -196,7 +196,8 @@ static int pas_cpufreq_cpu_init(struct cpufreq_policy *policy) policy->cur = pas_freqs[cur_astate].frequency; ppc_proc_freq = policy->cur * 1000ul; - return cpufreq_generic_init(policy, pas_freqs, get_gizmo_latency()); + cpufreq_generic_init(policy, pas_freqs, get_gizmo_latency()); + return 0; out_unmap_sdcpwr: iounmap(sdcpwr_mapbase); diff --git a/drivers/cpufreq/pmac32-cpufreq.c b/drivers/cpufreq/pmac32-cpufreq.c index 650104d729f3..73621bc11976 100644 --- a/drivers/cpufreq/pmac32-cpufreq.c +++ b/drivers/cpufreq/pmac32-cpufreq.c @@ -372,7 +372,8 @@ static int pmac_cpufreq_target( struct cpufreq_policy *policy, static int pmac_cpufreq_cpu_init(struct cpufreq_policy *policy) { - return cpufreq_generic_init(policy, pmac_cpu_freqs, transition_latency); + cpufreq_generic_init(policy, pmac_cpu_freqs, transition_latency); + return 0; } static u32 read_gpio(struct device_node *np) diff --git a/drivers/cpufreq/pmac64-cpufreq.c b/drivers/cpufreq/pmac64-cpufreq.c index 1af3492a000d..d7542a106e6b 100644 --- a/drivers/cpufreq/pmac64-cpufreq.c +++ b/drivers/cpufreq/pmac64-cpufreq.c @@ -321,7 +321,8 @@ static unsigned int g5_cpufreq_get_speed(unsigned int cpu) static int g5_cpufreq_cpu_init(struct cpufreq_policy *policy) { - return cpufreq_generic_init(policy, g5_cpu_freqs, transition_latency); + cpufreq_generic_init(policy, g5_cpu_freqs, transition_latency); + return 0; } static struct cpufreq_driver g5_cpufreq_driver = { diff --git a/drivers/cpufreq/s3c2416-cpufreq.c b/drivers/cpufreq/s3c2416-cpufreq.c index f7ff1ed7fef1..106910351c41 100644 --- a/drivers/cpufreq/s3c2416-cpufreq.c +++ b/drivers/cpufreq/s3c2416-cpufreq.c @@ -447,21 +447,16 @@ static int s3c2416_cpufreq_driver_init(struct cpufreq_policy *policy) /* Datasheet says PLL stabalisation time must be at least 300us, * so but add some fudge. (reference in LOCKCON0 register description) */ - ret = cpufreq_generic_init(policy, s3c_freq->freq_table, + cpufreq_generic_init(policy, s3c_freq->freq_table, (500 * 1000) + s3c_freq->regulator_latency); - if (ret) - goto err_freq_table; - register_reboot_notifier(&s3c2416_cpufreq_reboot_notifier); return 0; -err_freq_table: #ifdef CONFIG_ARM_S3C2416_CPUFREQ_VCORESCALE - regulator_put(s3c_freq->vddarm); err_vddarm: -#endif clk_put(s3c_freq->armclk); +#endif err_armclk: clk_put(s3c_freq->hclk); err_hclk: diff --git a/drivers/cpufreq/s3c64xx-cpufreq.c b/drivers/cpufreq/s3c64xx-cpufreq.c index 37df2d892eb0..af0c00dabb22 100644 --- a/drivers/cpufreq/s3c64xx-cpufreq.c +++ b/drivers/cpufreq/s3c64xx-cpufreq.c @@ -144,7 +144,6 @@ static void s3c64xx_cpufreq_config_regulator(void) static int s3c64xx_cpufreq_driver_init(struct cpufreq_policy *policy) { - int ret; struct cpufreq_frequency_table *freq; if (policy->cpu != 0) @@ -165,8 +164,7 @@ static int s3c64xx_cpufreq_driver_init(struct cpufreq_policy *policy) #ifdef CONFIG_REGULATOR vddarm = regulator_get(NULL, "vddarm"); if (IS_ERR(vddarm)) { - ret = PTR_ERR(vddarm); - pr_err("Failed to obtain VDDARM: %d\n", ret); + pr_err("Failed to obtain VDDARM: %ld\n", PTR_ERR(vddarm)); pr_err("Only frequency scaling available\n"); vddarm = NULL; } else { @@ -196,16 +194,9 @@ static int s3c64xx_cpufreq_driver_init(struct cpufreq_policy *policy) * the PLLs, which we don't currently) is ~300us worst case, * but add some fudge. */ - ret = cpufreq_generic_init(policy, s3c64xx_freq_table, + cpufreq_generic_init(policy, s3c64xx_freq_table, (500 * 1000) + regulator_latency); - if (ret != 0) { - pr_err("Failed to configure frequency table: %d\n", - ret); - regulator_put(vddarm); - clk_put(policy->clk); - } - - return ret; + return 0; } static struct cpufreq_driver s3c64xx_cpufreq_driver = { diff --git a/drivers/cpufreq/s5pv210-cpufreq.c b/drivers/cpufreq/s5pv210-cpufreq.c index e5cb17d4be7b..5d10030f2560 100644 --- a/drivers/cpufreq/s5pv210-cpufreq.c +++ b/drivers/cpufreq/s5pv210-cpufreq.c @@ -541,7 +541,8 @@ static int s5pv210_cpu_init(struct cpufreq_policy *policy) s5pv210_dram_conf[1].freq = clk_get_rate(dmc1_clk); policy->suspend_freq = SLEEP_FREQ; - return cpufreq_generic_init(policy, s5pv210_freq_table, 40000); + cpufreq_generic_init(policy, s5pv210_freq_table, 40000); + return 0; out_dmc1: clk_put(dmc0_clk); diff --git a/drivers/cpufreq/sa1100-cpufreq.c b/drivers/cpufreq/sa1100-cpufreq.c index ab5cab93e638..5c075ef6adc0 100644 --- a/drivers/cpufreq/sa1100-cpufreq.c +++ b/drivers/cpufreq/sa1100-cpufreq.c @@ -181,7 +181,8 @@ static int sa1100_target(struct cpufreq_policy *policy, unsigned int ppcr) static int __init sa1100_cpu_init(struct cpufreq_policy *policy) { - return cpufreq_generic_init(policy, sa11x0_freq_table, 0); + cpufreq_generic_init(policy, sa11x0_freq_table, 0); + return 0; } static struct cpufreq_driver sa1100_driver __refdata = { diff --git a/drivers/cpufreq/sa1110-cpufreq.c b/drivers/cpufreq/sa1110-cpufreq.c index dab54e051c0e..d9d04d935b3a 100644 --- a/drivers/cpufreq/sa1110-cpufreq.c +++ b/drivers/cpufreq/sa1110-cpufreq.c @@ -303,7 +303,8 @@ static int sa1110_target(struct cpufreq_policy *policy, unsigned int ppcr) static int __init sa1110_cpu_init(struct cpufreq_policy *policy) { - return cpufreq_generic_init(policy, sa11x0_freq_table, 0); + cpufreq_generic_init(policy, sa11x0_freq_table, 0); + return 0; } /* sa1110_driver needs __refdata because it must remain after init registers diff --git a/drivers/cpufreq/spear-cpufreq.c b/drivers/cpufreq/spear-cpufreq.c index 4074e2615522..73bd8dc47074 100644 --- a/drivers/cpufreq/spear-cpufreq.c +++ b/drivers/cpufreq/spear-cpufreq.c @@ -153,8 +153,9 @@ static int spear_cpufreq_target(struct cpufreq_policy *policy, static int spear_cpufreq_init(struct cpufreq_policy *policy) { policy->clk = spear_cpufreq.clk; - return cpufreq_generic_init(policy, spear_cpufreq.freq_tbl, + cpufreq_generic_init(policy, spear_cpufreq.freq_tbl, spear_cpufreq.transition_latency); + return 0; } static struct cpufreq_driver spear_cpufreq_driver = { diff --git a/drivers/cpufreq/tegra20-cpufreq.c b/drivers/cpufreq/tegra20-cpufreq.c index 3c32cc7b0671..f84ecd22f488 100644 --- a/drivers/cpufreq/tegra20-cpufreq.c +++ b/drivers/cpufreq/tegra20-cpufreq.c @@ -118,17 +118,11 @@ static int tegra_target(struct cpufreq_policy *policy, unsigned int index) static int tegra_cpu_init(struct cpufreq_policy *policy) { struct tegra20_cpufreq *cpufreq = cpufreq_get_driver_data(); - int ret; clk_prepare_enable(cpufreq->cpu_clk); /* FIXME: what's the actual transition time? */ - ret = cpufreq_generic_init(policy, freq_table, 300 * 1000); - if (ret) { - clk_disable_unprepare(cpufreq->cpu_clk); - return ret; - } - + cpufreq_generic_init(policy, freq_table, 300 * 1000); policy->clk = cpufreq->cpu_clk; policy->suspend_freq = freq_table[0].frequency; return 0; diff --git a/include/linux/cpufreq.h b/include/linux/cpufreq.h index d757a56a74dc..536a049d7ecc 100644 --- a/include/linux/cpufreq.h +++ b/include/linux/cpufreq.h @@ -992,7 +992,7 @@ extern struct freq_attr *cpufreq_generic_attr[]; int cpufreq_table_validate_and_sort(struct cpufreq_policy *policy); unsigned int cpufreq_generic_get(unsigned int cpu); -int cpufreq_generic_init(struct cpufreq_policy *policy, +void cpufreq_generic_init(struct cpufreq_policy *policy, struct cpufreq_frequency_table *table, unsigned int transition_latency); #endif /* _LINUX_CPUFREQ_H */