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13 lines
425 B
13 lines
425 B
// 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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