Messages in this thread Patch in this message | | | From | Srinivas Pandruvada <> | Subject | [PATCH 3/7] platform/x86/intel/vsec: Support private data | Date | Wed, 1 Feb 2023 17:07:34 -0800 |
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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
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