From 2c3c1048746a4622d8c89a29670120dc8fab93c4 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 20:49:45 +0200 Subject: Adding upstream version 6.1.76. Signed-off-by: Daniel Baumann --- arch/x86/lib/pc-conf-reg.c | 13 +++++++++++++ 1 file changed, 13 insertions(+) create mode 100644 arch/x86/lib/pc-conf-reg.c (limited to 'arch/x86/lib/pc-conf-reg.c') diff --git a/arch/x86/lib/pc-conf-reg.c b/arch/x86/lib/pc-conf-reg.c new file mode 100644 index 000000000..febb52749 --- /dev/null +++ b/arch/x86/lib/pc-conf-reg.c @@ -0,0 +1,13 @@ +// 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 + +#include + +DEFINE_RAW_SPINLOCK(pc_conf_lock); -- cgit v1.2.3