diff options
Diffstat (limited to 'drivers/cpufreq')
-rw-r--r-- | drivers/cpufreq/cpufreq-imx6.c | 17 |
1 files changed, 0 insertions, 17 deletions
diff --git a/drivers/cpufreq/cpufreq-imx6.c b/drivers/cpufreq/cpufreq-imx6.c index 24dfa7a4b1f7..51861d668ee3 100644 --- a/drivers/cpufreq/cpufreq-imx6.c +++ b/drivers/cpufreq/cpufreq-imx6.c | |||
@@ -156,28 +156,11 @@ static int imx6_set_target(struct cpufreq_policy *policy, | |||
156 | * - Reprogram pll1_sys_clk and reparent pll1_sw_clk back to it | 156 | * - Reprogram pll1_sys_clk and reparent pll1_sw_clk back to it |
157 | * - Disable pll2_pfd2_396m_clk | 157 | * - Disable pll2_pfd2_396m_clk |
158 | */ | 158 | */ |
159 | clk_prepare_enable(pll2_pfd2_396m_clk); | ||
160 | clk_set_parent(step_clk, pll2_pfd2_396m_clk); | 159 | clk_set_parent(step_clk, pll2_pfd2_396m_clk); |
161 | clk_set_parent(pll1_sw_clk, step_clk); | 160 | clk_set_parent(pll1_sw_clk, step_clk); |
162 | if (freq_hz > clk_get_rate(pll2_pfd2_396m_clk)) { | 161 | if (freq_hz > clk_get_rate(pll2_pfd2_396m_clk)) { |
163 | clk_set_rate(pll1_sys_clk, freqs.new * 1000); | 162 | clk_set_rate(pll1_sys_clk, freqs.new * 1000); |
164 | /* | ||
165 | * If we are leaving 396 MHz set-point, we need to enable | ||
166 | * pll1_sys_clk and disable pll2_pfd2_396m_clk to keep | ||
167 | * their use count correct. | ||
168 | */ | ||
169 | if (freqs.old * 1000 <= clk_get_rate(pll2_pfd2_396m_clk)) { | ||
170 | clk_prepare_enable(pll1_sys_clk); | ||
171 | clk_disable_unprepare(pll2_pfd2_396m_clk); | ||
172 | } | ||
173 | clk_set_parent(pll1_sw_clk, pll1_sys_clk); | 163 | clk_set_parent(pll1_sw_clk, pll1_sys_clk); |
174 | clk_disable_unprepare(pll2_pfd2_396m_clk); | ||
175 | } else { | ||
176 | /* | ||
177 | * Disable pll1_sys_clk if pll2_pfd2_396m_clk is sufficient | ||
178 | * to provide the frequency. | ||
179 | */ | ||
180 | clk_disable_unprepare(pll1_sys_clk); | ||
181 | } | 164 | } |
182 | 165 | ||
183 | /* Ensure the arm clock divider is what we expect */ | 166 | /* Ensure the arm clock divider is what we expect */ |