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Message-Id: <20231003184916.1860084-2-srinivas.pandruvada@linux.intel.com>
Date: Tue, 3 Oct 2023 11:49:14 -0700
From: Srinivas Pandruvada <srinivas.pandruvada@...ux.intel.com>
To: hdegoede@...hat.com, markgross@...nel.org,
ilpo.jarvinen@...ux.intel.com, andriy.shevchenko@...ux.intel.com
Cc: platform-driver-x86@...r.kernel.org, linux-kernel@...r.kernel.org,
Srinivas Pandruvada <srinivas.pandruvada@...ux.intel.com>
Subject: [PATCH v2 1/3] platform/x86/intel/tpmi: Add defines to get version information
Add defines to get major and minor version from a TPMI version field
value. This will avoid code duplication to convert in every feature
driver. Also add define for invalid version field.
Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@...ux.intel.com>
---
v2:
No change
include/linux/intel_tpmi.h | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/include/linux/intel_tpmi.h b/include/linux/intel_tpmi.h
index 04d937ad4dc4..ee07393445f9 100644
--- a/include/linux/intel_tpmi.h
+++ b/include/linux/intel_tpmi.h
@@ -6,6 +6,12 @@
#ifndef _INTEL_TPMI_H_
#define _INTEL_TPMI_H_
+#include <linux/bitfield.h>
+
+#define TPMI_VERSION_INVALID 0xff
+#define TPMI_MINOR_VERSION(val) FIELD_GET(GENMASK(4, 0), val)
+#define TPMI_MAJOR_VERSION(val) FIELD_GET(GENMASK(7, 5), val)
+
/**
* struct intel_tpmi_plat_info - Platform information for a TPMI device instance
* @package_id: CPU Package id
--
2.41.0
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