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// SPDX-License-Identifier: GPL-2.0 #include <linux/bitops.h> #include <linux/cache.h> #include <linux/export.h> #include <linux/platform-feature.h> #define PLATFORM_FEAT_ARRAY_SZ BITS_TO_LONGS(PLATFORM_FEAT_N) static unsigned long __read_mostly platform_features[PLATFORM_FEAT_ARRAY_SZ]; void platform_set(unsigned int feature) { set_bit(feature, platform_features); } EXPORT_SYMBOL_GPL(platform_set); void platform_clear(unsigned int feature) { clear_bit(feature, platform_features); } EXPORT_SYMBOL_GPL(platform_clear); bool platform_has(unsigned int feature) { return test_bit(feature, platform_features); } EXPORT_SYMBOL_GPL(platform_has); |