// 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);