From: Nishanth Menon Date: Wed, 25 May 2011 23:38:47 +0000 (-0700) Subject: cpufreq: OMAP: deny initialization if no mpudev X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=a820ffa8fdbcaa4f5fe32e88db58acca27abbc76;p=mv-sheeva.git cpufreq: OMAP: deny initialization if no mpudev if we do not have mpu_dev we normally fail in cpu_init. It is better to fail driver registration if the devices are not available. Signed-off-by: Nishanth Menon Signed-off-by: Kevin Hilman --- diff --git a/drivers/cpufreq/omap-cpufreq.c b/drivers/cpufreq/omap-cpufreq.c index 3651825e7fb..dda32fd0343 100644 --- a/drivers/cpufreq/omap-cpufreq.c +++ b/drivers/cpufreq/omap-cpufreq.c @@ -50,6 +50,7 @@ static struct lpj_info global_lpj_ref; static struct cpufreq_frequency_table *freq_table; static struct clk *mpu_clk; static char *mpu_clk_name; +static struct device *mpu_dev; static int omap_verify_speed(struct cpufreq_policy *policy) { @@ -152,7 +153,6 @@ static int omap_target(struct cpufreq_policy *policy, static int __cpuinit omap_cpu_init(struct cpufreq_policy *policy) { int result = 0; - struct device *mpu_dev; mpu_clk = clk_get(NULL, mpu_clk_name); if (IS_ERR(mpu_clk)) @@ -162,12 +162,6 @@ static int __cpuinit omap_cpu_init(struct cpufreq_policy *policy) return -EINVAL; policy->cur = policy->min = policy->max = omap_getspeed(policy->cpu); - mpu_dev = omap2_get_mpuss_device(); - - if (!mpu_dev) { - pr_warning("%s: unable to get the mpu device\n", __func__); - return -EINVAL; - } opp_init_cpufreq_table(mpu_dev, &freq_table); if (freq_table) { @@ -239,6 +233,13 @@ static int __init omap_cpufreq_init(void) pr_err("%s: unsupported Silicon?\n", __func__); return -EINVAL; } + + mpu_dev = omap2_get_mpuss_device(); + if (!mpu_dev) { + pr_warning("%s: unable to get the mpu device\n", __func__); + return -EINVAL; + } + return cpufreq_register_driver(&omap_driver); }