cpufreq.c (f59cddd8517ab880fb09bf1465b07b337e058b22) cpufreq.c (a62f68f5ca53ab61cba2f0a410d0add7a6d54a52)
1// SPDX-License-Identifier: GPL-2.0-only
2/*
3 * linux/drivers/cpufreq/cpufreq.c
4 *
5 * Copyright (C) 2001 Russell King
6 * (C) 2002 - 2003 Dominik Brodowski <linux@brodo.de>
7 * (C) 2013 Viresh Kumar <viresh.kumar@linaro.org>
8 *

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1903 if (ret)
1904 pr_err("%s: Failed to start governor for policy: %p\n",
1905 __func__, policy);
1906 }
1907 }
1908}
1909
1910/**
1// SPDX-License-Identifier: GPL-2.0-only
2/*
3 * linux/drivers/cpufreq/cpufreq.c
4 *
5 * Copyright (C) 2001 Russell King
6 * (C) 2002 - 2003 Dominik Brodowski <linux@brodo.de>
7 * (C) 2013 Viresh Kumar <viresh.kumar@linaro.org>
8 *

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1903 if (ret)
1904 pr_err("%s: Failed to start governor for policy: %p\n",
1905 __func__, policy);
1906 }
1907 }
1908}
1909
1910/**
1911 * cpufreq_driver_test_flags - Test cpufreq driver's flags against given ones.
1912 * @flags: Flags to test against the current cpufreq driver's flags.
1913 *
1914 * Assumes that the driver is there, so callers must ensure that this is the
1915 * case.
1916 */
1917bool cpufreq_driver_test_flags(u16 flags)
1918{
1919 return !!(cpufreq_driver->flags & flags);
1920}
1921
1922/**
1911 * cpufreq_get_current_driver - return current driver's name
1912 *
1913 * Return the name string of the currently loaded cpufreq driver
1914 * or NULL, if none.
1915 */
1916const char *cpufreq_get_current_driver(void)
1917{
1918 if (cpufreq_driver)

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2182 policy->cpu, target_freq, relation, old_target_freq);
2183
2184 /*
2185 * This might look like a redundant call as we are checking it again
2186 * after finding index. But it is left intentionally for cases where
2187 * exactly same freq is called again and so we can save on few function
2188 * calls.
2189 */
1923 * cpufreq_get_current_driver - return current driver's name
1924 *
1925 * Return the name string of the currently loaded cpufreq driver
1926 * or NULL, if none.
1927 */
1928const char *cpufreq_get_current_driver(void)
1929{
1930 if (cpufreq_driver)

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2194 policy->cpu, target_freq, relation, old_target_freq);
2195
2196 /*
2197 * This might look like a redundant call as we are checking it again
2198 * after finding index. But it is left intentionally for cases where
2199 * exactly same freq is called again and so we can save on few function
2200 * calls.
2201 */
2190 if (target_freq == policy->cur)
2202 if (target_freq == policy->cur &&
2203 !(cpufreq_driver->flags & CPUFREQ_NEED_UPDATE_LIMITS))
2191 return 0;
2192
2193 /* Save last value to restore later on errors */
2194 policy->restore_freq = policy->cur;
2195
2196 if (cpufreq_driver->target)
2197 return cpufreq_driver->target(policy, target_freq, relation);
2198

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2205
2206 /* Save last value to restore later on errors */
2207 policy->restore_freq = policy->cur;
2208
2209 if (cpufreq_driver->target)
2210 return cpufreq_driver->target(policy, target_freq, relation);
2211

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