This patch adds new Kconfig variable PMEM_PLATFORM_DEVICE and use that to select
the nvdimm e820 device. The x86 config is now named X86_PMEM_LEGACY_DEVICE.
Not-Signed-off-by: Aneesh Kumar K.V <aneesh.ku...@linux.ibm.com>
---
arch/x86/Kconfig | 5 +----
arch/x86/include/asm/e820/types.h | 2 +-
arch/x86/include/uapi/asm/e820.h | 2 +-
drivers/nvdimm/Kconfig | 5 ++++-
drivers/nvdimm/Makefile | 2 +-
tools/testing/nvdimm/Kbuild | 2 +-
6 files changed, 9 insertions(+), 9 deletions(-)
diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index f1dbb4ee19d7..1186e1330876 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -1641,13 +1641,10 @@ config ILLEGAL_POINTER_VALUE
source "mm/Kconfig"
config X86_PMEM_LEGACY_DEVICE
- bool
-
-config X86_PMEM_LEGACY
tristate "Support non-standard NVDIMMs and ADR protected memory"
depends on PHYS_ADDR_T_64BIT
depends on BLK_DEV
- select X86_PMEM_LEGACY_DEVICE
+ select PMEM_PLATFORM_DEVICE
select LIBNVDIMM
help
Treat memory marked using the non-standard e820 type of 12 as used
diff --git a/arch/x86/include/asm/e820/types.h
b/arch/x86/include/asm/e820/types.h
index c3aa4b5e49e2..0fb25d04dd26 100644
--- a/arch/x86/include/asm/e820/types.h
+++ b/arch/x86/include/asm/e820/types.h
@@ -20,7 +20,7 @@ enum e820_type {
* NVDIMM regions that persist over a reboot.
*
* The kernel will ignore their special capabilities
- * unless the CONFIG_X86_PMEM_LEGACY=y option is set.
+ * unless the CONFIG_X86_PMEM_LEGACY_DEVICE=y option is set.
*
* ( Note that older platforms also used 6 for the same
* type of memory, but newer versions switched to 12 as
diff --git a/arch/x86/include/uapi/asm/e820.h b/arch/x86/include/uapi/asm/e820.h
index 2f491efe3a12..b8ae7c221269 100644
--- a/arch/x86/include/uapi/asm/e820.h
+++ b/arch/x86/include/uapi/asm/e820.h
@@ -38,7 +38,7 @@
/*
* This is a non-standardized way to represent ADR or NVDIMM regions that
* persist over a reboot. The kernel will ignore their special capabilities
- * unless the CONFIG_X86_PMEM_LEGACY option is set.
+ * unless the CONFIG_X86_PMEM_LEGACY_DEVICE option is set.
*
* ( Note that older platforms also used 6 for the same type of memory,
* but newer versions switched to 12 as 6 was assigned differently. Some
diff --git a/drivers/nvdimm/Kconfig b/drivers/nvdimm/Kconfig
index 9d36473dc2a2..50d2a33de441 100644
--- a/drivers/nvdimm/Kconfig
+++ b/drivers/nvdimm/Kconfig
@@ -27,7 +27,7 @@ config BLK_DEV_PMEM
Memory ranges for PMEM are described by either an NFIT
(NVDIMM Firmware Interface Table, see CONFIG_NFIT_ACPI), a
non-standard OEM-specific E820 memory type (type-12, see
- CONFIG_X86_PMEM_LEGACY), or it is manually specified by the
+ CONFIG_X86_PMEM_LEGACY_DEVICE), or it is manually specified by the
'memmap=nn[KMG]!ss[KMG]' kernel command line (see
Documentation/admin-guide/kernel-parameters.rst). This driver
converts
these persistent memory ranges into block devices that are
@@ -112,4 +112,7 @@ config OF_PMEM
Select Y if unsure.
+config PMEM_PLATFORM_DEVICE
+ bool
+
endif
diff --git a/drivers/nvdimm/Makefile b/drivers/nvdimm/Makefile
index e8847045dac0..94f7f29146ce 100644
--- a/drivers/nvdimm/Makefile
+++ b/drivers/nvdimm/Makefile
@@ -3,7 +3,7 @@ obj-$(CONFIG_LIBNVDIMM) += libnvdimm.o
obj-$(CONFIG_BLK_DEV_PMEM) += nd_pmem.o
obj-$(CONFIG_ND_BTT) += nd_btt.o
obj-$(CONFIG_ND_BLK) += nd_blk.o
-obj-$(CONFIG_X86_PMEM_LEGACY) += nd_e820.o
+obj-$(CONFIG_PMEM_PLATFORM_DEVICE) += nd_e820.o
obj-$(CONFIG_OF_PMEM) += of_pmem.o
nd_pmem-y := pmem.o
diff --git a/tools/testing/nvdimm/Kbuild b/tools/testing/nvdimm/Kbuild
index 0392153a0009..82e84253a6ae 100644
--- a/tools/testing/nvdimm/Kbuild
+++ b/tools/testing/nvdimm/Kbuild
@@ -27,7 +27,7 @@ obj-$(CONFIG_LIBNVDIMM) += libnvdimm.o
obj-$(CONFIG_BLK_DEV_PMEM) += nd_pmem.o
obj-$(CONFIG_ND_BTT) += nd_btt.o
obj-$(CONFIG_ND_BLK) += nd_blk.o
-obj-$(CONFIG_X86_PMEM_LEGACY) += nd_e820.o
+obj-$(CONFIG_PMEM_PLATFORM_DEVICE) += nd_e820.o
obj-$(CONFIG_ACPI_NFIT) += nfit.o
ifeq ($(CONFIG_DAX),m)
obj-$(CONFIG_DAX) += dax.o
--
2.17.1
