mirror of
https://git.yoctoproject.org/meta-ti
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Koen Kooi
4e18d70247
This patchset is managed in https://github.com/beagleboard/kernel/tree/beagleboard-3.2 by Robert Nelson and myself. Tested on beagleboard-xM/Angstrom Signed-off-by: Koen Kooi <koen@dominion.thruhere.net> Signed-off-by: Denys Dmytriyenko <denys@ti.com>
65 lines
1.9 KiB
Diff
65 lines
1.9 KiB
Diff
From 6e85de6b5c1d71d372c23bf1f5c2388b9560f42f Mon Sep 17 00:00:00 2001
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From: Nishanth Menon <nm@ti.com>
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Date: Wed, 25 May 2011 16:38:47 -0700
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Subject: [PATCH 06/11] cpufreq: OMAP: deny initialization if no mpudev
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if we do not have mpu_dev we normally fail in cpu_init. It is better
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to fail driver registration if the devices are not available.
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Signed-off-by: Nishanth Menon <nm@ti.com>
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Signed-off-by: Kevin Hilman <khilman@ti.com>
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---
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drivers/cpufreq/omap-cpufreq.c | 15 ++++++++-------
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1 files changed, 8 insertions(+), 7 deletions(-)
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diff --git a/drivers/cpufreq/omap-cpufreq.c b/drivers/cpufreq/omap-cpufreq.c
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index 3651825..dda32fd 100644
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--- a/drivers/cpufreq/omap-cpufreq.c
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+++ b/drivers/cpufreq/omap-cpufreq.c
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@@ -50,6 +50,7 @@ static struct lpj_info global_lpj_ref;
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static struct cpufreq_frequency_table *freq_table;
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static struct clk *mpu_clk;
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static char *mpu_clk_name;
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+static struct device *mpu_dev;
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static int omap_verify_speed(struct cpufreq_policy *policy)
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{
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@@ -152,7 +153,6 @@ static int omap_target(struct cpufreq_policy *policy,
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static int __cpuinit omap_cpu_init(struct cpufreq_policy *policy)
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{
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int result = 0;
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- struct device *mpu_dev;
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mpu_clk = clk_get(NULL, mpu_clk_name);
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if (IS_ERR(mpu_clk))
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@@ -162,12 +162,6 @@ static int __cpuinit omap_cpu_init(struct cpufreq_policy *policy)
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return -EINVAL;
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policy->cur = policy->min = policy->max = omap_getspeed(policy->cpu);
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- mpu_dev = omap2_get_mpuss_device();
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-
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- if (!mpu_dev) {
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- pr_warning("%s: unable to get the mpu device\n", __func__);
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- return -EINVAL;
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- }
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opp_init_cpufreq_table(mpu_dev, &freq_table);
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if (freq_table) {
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@@ -239,6 +233,13 @@ static int __init omap_cpufreq_init(void)
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pr_err("%s: unsupported Silicon?\n", __func__);
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return -EINVAL;
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}
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+
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+ mpu_dev = omap2_get_mpuss_device();
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+ if (!mpu_dev) {
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+ pr_warning("%s: unable to get the mpu device\n", __func__);
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+ return -EINVAL;
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+ }
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+
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return cpufreq_register_driver(&omap_driver);
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}
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--
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1.7.7.4
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