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-rw-r--r--drivers/cpufreq/imx6q-cpufreq.c17
1 files changed, 0 insertions, 17 deletions
diff --git a/drivers/cpufreq/imx6q-cpufreq.c b/drivers/cpufreq/imx6q-cpufreq.c
index e37cdaedbb5b..2971d12b28e8 100644
--- a/drivers/cpufreq/imx6q-cpufreq.c
+++ b/drivers/cpufreq/imx6q-cpufreq.c
@@ -117,28 +117,11 @@ static int imx6q_set_target(struct cpufreq_policy *policy,
117 * - Reprogram pll1_sys_clk and reparent pll1_sw_clk back to it 117 * - Reprogram pll1_sys_clk and reparent pll1_sw_clk back to it
118 * - Disable pll2_pfd2_396m_clk 118 * - Disable pll2_pfd2_396m_clk
119 */ 119 */
120 clk_prepare_enable(pll2_pfd2_396m_clk);
121 clk_set_parent(step_clk, pll2_pfd2_396m_clk); 120 clk_set_parent(step_clk, pll2_pfd2_396m_clk);
122 clk_set_parent(pll1_sw_clk, step_clk); 121 clk_set_parent(pll1_sw_clk, step_clk);
123 if (freq_hz > clk_get_rate(pll2_pfd2_396m_clk)) { 122 if (freq_hz > clk_get_rate(pll2_pfd2_396m_clk)) {
124 clk_set_rate(pll1_sys_clk, freqs.new * 1000); 123 clk_set_rate(pll1_sys_clk, freqs.new * 1000);
125 /*
126 * If we are leaving 396 MHz set-point, we need to enable
127 * pll1_sys_clk and disable pll2_pfd2_396m_clk to keep
128 * their use count correct.
129 */
130 if (freqs.old * 1000 <= clk_get_rate(pll2_pfd2_396m_clk)) {
131 clk_prepare_enable(pll1_sys_clk);
132 clk_disable_unprepare(pll2_pfd2_396m_clk);
133 }
134 clk_set_parent(pll1_sw_clk, pll1_sys_clk); 124 clk_set_parent(pll1_sw_clk, pll1_sys_clk);
135 clk_disable_unprepare(pll2_pfd2_396m_clk);
136 } else {
137 /*
138 * Disable pll1_sys_clk if pll2_pfd2_396m_clk is sufficient
139 * to provide the frequency.
140 */
141 clk_disable_unprepare(pll1_sys_clk);
142 } 125 }
143 126
144 /* Ensure the arm clock divider is what we expect */ 127 /* Ensure the arm clock divider is what we expect */