xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Merge tag 'edac_for_4.17' of git://git.kernel.org/pub/scm/linux/kernel/git/bp/bp

Browse Source 
Pull EDAC updates from Borislav Petkov:
 "Noteworthy is the NVDIMM support:

   - NVDIMM support to EDAC (Tony Luck)

   - misc fixes"

* tag 'edac_for_4.17' of git://git.kernel.org/pub/scm/linux/kernel/git/bp/bp:
  EDAC, sb_edac: Remove variable length array usage
  EDAC, skx_edac: Detect non-volatile DIMMs
  firmware, DMI: Add function to look up a handle and return DIMM size
  acpi, nfit: Add function to look up nvdimm device and provide SMBIOS handle
  EDAC: Add new memory type for non-volatile DIMMs
  EDAC: Drop duplicated array of strings for memory type names
  EDAC, layerscape: Allow building for LS1021A
This commit is contained in:
Linus Torvalds
2018-04-05 14:21:13 -07:00
parent 3c8ba0d61d 6fd0526652
commit dd972f924d
10 changed files with 175 additions and 59 deletions
Download Patch File Download Diff File Expand all files Collapse all files

27
drivers/acpi/nfit/core.c
View File

@@ -23,6 +23,7 @@
#include <linux/io.h>
#include <linux/nd.h>
#include <asm/cacheflush.h>
#include <acpi/nfit.h>
#include "nfit.h"
/*
@@ -690,6 +691,32 @@ static bool add_memdev(struct acpi_nfit_desc *acpi_desc,
return true;
}
int nfit_get_smbios_id(u32 device_handle, u16 *flags)
{
struct acpi_nfit_memory_map *memdev;
struct acpi_nfit_desc *acpi_desc;
struct nfit_mem *nfit_mem;
mutex_lock(&acpi_desc_lock);
list_for_each_entry(acpi_desc, &acpi_descs, list) {
mutex_lock(&acpi_desc->init_mutex);
list_for_each_entry(nfit_mem, &acpi_desc->dimms, list) {
memdev = __to_nfit_memdev(nfit_mem);
if (memdev->device_handle == device_handle) {
mutex_unlock(&acpi_desc->init_mutex);
mutex_unlock(&acpi_desc_lock);
*flags = memdev->flags;
return memdev->physical_id;
}
}
mutex_unlock(&acpi_desc->init_mutex);
}
mutex_unlock(&acpi_desc_lock);
return -ENODEV;
}
EXPORT_SYMBOL_GPL(nfit_get_smbios_id);
/*
* An implementation may provide a truncated control region if no block windows
* are defined.