lkml.org 
[lkml]   [2023]   [Feb]   [1]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH 3/7] platform/x86/intel/vsec: Support private data
Date
Add fields to struct intel_vsec_device, so that core module (which
creates aux bus devices) can pass private data to the client drivers.

For example there is one vsec device instance per CPU package. On a
multi package system, this private data can be used to pass the package
ID. This package id can be used by client drivers to change power
settings for a specific CPU package by targeting MMIO space of the
correct PCI device.

Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Acked-by: David E. Box <david.e.box@linux.intel.com>
---
drivers/platform/x86/intel/vsec.h | 2 ++
1 file changed, 2 insertions(+)

diff --git a/drivers/platform/x86/intel/vsec.h b/drivers/platform/x86/intel/vsec.h
index d02c340fd458..ae8fe92c5595 100644
--- a/drivers/platform/x86/intel/vsec.h
+++ b/drivers/platform/x86/intel/vsec.h
@@ -38,6 +38,8 @@ struct intel_vsec_device {
struct ida *ida;
struct intel_vsec_platform_info *info;
int num_resources;
+ void *priv_data;
+ size_t priv_data_size;
};

int intel_vsec_add_aux(struct pci_dev *pdev, struct device *parent,
--
2.31.1
\
 
 \ /
  Last update: 2023-03-27 00:06    [W:0.094 / U:0.056 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site