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(parent: 9c19cc1) | patch
x86/amd_node: Add a smn_read_register() helper
authorMario Limonciello <mario.limonciello@amd.com>
Mon, 17 Feb 2025 23:17:41 +0000 (17:17 -0600)
committerIngo Molnar <mingo@kernel.org>
Wed, 19 Mar 2025 10:18:48 +0000 (11:18 +0100)
commit4476e7f81467b2c1b0aea7383e657181a3f9e652
treec5c550e673b095481dd41d282e8601004cf42347tree | snapshot
parent9c19cc1f5f571b03cc56338ed12836531a4989a4commit | diff
x86/amd_node: Add a smn_read_register() helper

Some of the ACP drivers will poll registers through SMN using
read_poll_timeout() which requires returning the result of the register read
as the argument.

Add a helper to do just that.

Signed-off-by: Mario Limonciello <mario.limonciello@amd.com>
Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Link: https://lore.kernel.org/r/20250217231747.1656228-2-superm1@kernel.org
arch/x86/include/asm/amd_node.h diff | blob | blame | history
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