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