6.1-stable review patch. If anyone has any objections, please let me know.
------------------
From: Srinivas Pandruvada srinivas.pandruvada@linux.intel.com
[ Upstream commit 4ec5d0231d2e4aebe41152d57c6b4f1e7ea14f08 ]
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 Link: https://lore.kernel.org/r/20230202010738.2186174-4-srinivas.pandruvada@linux... Reviewed-by: Hans de Goede hdegoede@redhat.com Signed-off-by: Hans de Goede hdegoede@redhat.com Stable-dep-of: 8cbcc1dbf8a6 ("platform/x86/intel/vsec: Fix xa_alloc memory leak") Signed-off-by: Sasha Levin sashal@kernel.org --- 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,