From mboxrd@z Thu Jan 1 00:00:00 1970 From: Joshua Emele Subject: [PATCH 3/4] cpufreq: OMAP: ensure the iva coprocessor is at the same opp as the mpu Date: Tue, 6 Nov 2012 17:47:40 -0800 Message-ID: <1352252861-18384-4-git-send-email-jemele@gmail.com> References: <1352252861-18384-1-git-send-email-jemele@gmail.com> Return-path: In-Reply-To: <1352252861-18384-1-git-send-email-jemele@gmail.com> Sender: linux-kernel-owner@vger.kernel.org To: Kevin Hilman , "Rafael J. Wysocki" , linux-omap@vger.kernel.org, cpufreq@vger.kernel.org, linux-pm@vger.kernel.org, linux-kernel@vger.kernel.org Cc: Joshua Emele List-Id: linux-pm@vger.kernel.org Signed-off-by: Joshua Emele --- drivers/cpufreq/omap-cpufreq.c | 18 ++++++++++++++++++ 1 files changed, 18 insertions(+), 0 deletions(-) diff --git a/drivers/cpufreq/omap-cpufreq.c b/drivers/cpufreq/omap-cpufreq.c index d8a751f..e8bcad8 100644 --- a/drivers/cpufreq/omap-cpufreq.c +++ b/drivers/cpufreq/omap-cpufreq.c @@ -220,6 +220,9 @@ static inline void clk_free(void) static int __cpuinit omap_iva_init(struct cpufreq_policy *policy) { int result; + unsigned long iva_rate; + unsigned int opp_index, mpu_freq = omap_getspeed(policy->cpu); + if (!iva_clk_name) { pr_info("%s: iva unavailable\n", __func__); return 0; @@ -241,6 +244,21 @@ static int __cpuinit omap_iva_init(struct cpufreq_policy *policy) __func__, policy->cpu, result); return result; } + result = cpufreq_frequency_table_target(policy, freq_table, mpu_freq, + CPUFREQ_RELATION_L, &opp_index); + if (result) { + dev_err(mpu_dev, "%s: cpu%d: no freq match for %u[%d]\n", + __func__, policy->cpu, mpu_freq, result); + return result; + } + iva_rate = iva_freq_table[opp_index].frequency * 1000; + result = clk_set_rate(iva_clk, iva_rate); + if (result) { + pr_err("%s: cpu%d: failed to set %s rate %lu[%d]\n", + __func__, policy->cpu, iva_clk->name, iva_rate, + result); + return result; + } return 0; } -- 1.7.6.5