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- // SPDX-License-Identifier: GPL-2.0
- /*
- * Support for the configuration register space at port I/O locations
- * 0x22 and 0x23 variously used by PC architectures, e.g. the MP Spec,
- * Cyrix CPUs, numerous chipsets. As the space is indirectly addressed
- * it may have to be protected with a spinlock, depending on the context.
- */
- #include <linux/spinlock.h>
- #include <asm/pc-conf-reg.h>
- DEFINE_RAW_SPINLOCK(pc_conf_lock);
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