Merge tag 'edac_for_4.12' of git://git.kernel.org/pub/scm/linux/kernel/git/bp/bp

Pull EDAC updates from Borislav Petkov:

 - an EDAC driver for Cavium ThunderX RAS IP (Sergey Temerkhanov)

 - removal of DRAM error reporting through PCI SERR NMI (Borislav
   Petkov)

 - misc small fixes (Jan Glauber, Thor Thayer)

* tag 'edac_for_4.12' of git://git.kernel.org/pub/scm/linux/kernel/git/bp/bp:
  EDAC, ghes: Do not enable it by default
  EDAC: Rename report status accessors
  EDAC: Delete edac_stub.c
  EDAC: Update Kconfig help text
  EDAC: Remove EDAC_MM_EDAC
  EDAC: Issue tracepoint only when it is defined
  ACPI/extlog: Add EDAC dependency
  EDAC: Move edac_op_state to edac_mc.c
  EDAC: Remove edac_err_assert
  EDAC: Get rid of edac_handlers
  x86/nmi, EDAC: Get rid of DRAM error reporting thru PCI SERR NMI
  EDAC, highbank: Align Makefile directives
  EDAC, thunderx: Remove unused code
  EDAC, thunderx: Change LMC index calculation
  EDAC, altera: Fix peripheral warnings for Cyclone5
  EDAC, thunderx: Fix L2C MCI interrupt disable
  EDAC, thunderx: Add Cavium ThunderX EDAC driver

26 files changed, 2343 insertions, 236 deletions

diff --git a/MAINTAINERS b/MAINTAINERS
index 1bb06c5f7716..6e8897594291 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -4715,6 +4715,7 @@ L:	linux-edac@vger.kernel.org
 L:	linux-mips@linux-mips.org
 S:	Supported
 F:	drivers/edac/octeon_edac*
+F:	drivers/edac/thunderx_edac*
 
 EDAC-E752X
 M:	Mark Gross <mark.gross@intel.com>
diff --git a/arch/arm/configs/multi_v7_defconfig b/arch/arm/configs/multi_v7_defconfig
index a94126fb02c2..6aa7be191f1a 100644
--- a/arch/arm/configs/multi_v7_defconfig
+++ b/arch/arm/configs/multi_v7_defconfig
@@ -748,7 +748,6 @@ CONFIG_LEDS_TRIGGER_DEFAULT_ON=y
 CONFIG_LEDS_TRIGGER_TRANSIENT=y
 CONFIG_LEDS_TRIGGER_CAMERA=y
 CONFIG_EDAC=y
-CONFIG_EDAC_MM_EDAC=y
 CONFIG_EDAC_HIGHBANK_MC=y
 CONFIG_EDAC_HIGHBANK_L2=y
 CONFIG_RTC_CLASS=y
diff --git a/arch/arm/configs/pxa_defconfig b/arch/arm/configs/pxa_defconfig
index 2aac99fd1c41..1318f61589dc 100644
--- a/arch/arm/configs/pxa_defconfig
+++ b/arch/arm/configs/pxa_defconfig
@@ -635,8 +635,7 @@ CONFIG_LEDS_TRIGGER_GPIO=m
 CONFIG_LEDS_TRIGGER_DEFAULT_ON=m
 CONFIG_LEDS_TRIGGER_TRANSIENT=m
 CONFIG_LEDS_TRIGGER_CAMERA=m
-CONFIG_EDAC=y
-CONFIG_EDAC_MM_EDAC=m
+CONFIG_EDAC=m
 CONFIG_RTC_CLASS=y
 CONFIG_RTC_DEBUG=y
 CONFIG_RTC_DRV_DS1307=m
diff --git a/arch/powerpc/configs/85xx-hw.config b/arch/powerpc/configs/85xx-hw.config
index 528ff0e714e6..c03d0fb16665 100644
--- a/arch/powerpc/configs/85xx-hw.config
+++ b/arch/powerpc/configs/85xx-hw.config
@@ -16,9 +16,8 @@ CONFIG_DAVICOM_PHY=y
 CONFIG_DMADEVICES=y
 CONFIG_E1000E=y
 CONFIG_E1000=y
-CONFIG_EDAC_MM_EDAC=y
-CONFIG_EDAC_MPC85XX=y
 CONFIG_EDAC=y
+CONFIG_EDAC_MPC85XX=y
 CONFIG_EEPROM_AT24=y
 CONFIG_EEPROM_LEGACY=y
 CONFIG_FB_FSL_DIU=y
diff --git a/arch/powerpc/configs/85xx/ge_imp3a_defconfig b/arch/powerpc/configs/85xx/ge_imp3a_defconfig
index c79283be5680..a917f7afb4f9 100644
--- a/arch/powerpc/configs/85xx/ge_imp3a_defconfig
+++ b/arch/powerpc/configs/85xx/ge_imp3a_defconfig
@@ -155,7 +155,6 @@ CONFIG_USB_OHCI_HCD_PPC_OF_BE=y
 CONFIG_USB_OHCI_HCD_PPC_OF_LE=y
 CONFIG_USB_STORAGE=y
 CONFIG_EDAC=y
-CONFIG_EDAC_MM_EDAC=y
 CONFIG_EDAC_MPC85XX=y
 CONFIG_RTC_CLASS=y
 # CONFIG_RTC_INTF_PROC is not set
diff --git a/arch/powerpc/configs/85xx/xes_mpc85xx_defconfig b/arch/powerpc/configs/85xx/xes_mpc85xx_defconfig
index dbd961de251e..72900b84d3e0 100644
--- a/arch/powerpc/configs/85xx/xes_mpc85xx_defconfig
+++ b/arch/powerpc/configs/85xx/xes_mpc85xx_defconfig
@@ -116,7 +116,6 @@ CONFIG_LEDS_TRIGGERS=y
 CONFIG_LEDS_TRIGGER_TIMER=y
 CONFIG_LEDS_TRIGGER_HEARTBEAT=y
 CONFIG_EDAC=y
-CONFIG_EDAC_MM_EDAC=y
 CONFIG_RTC_CLASS=y
 CONFIG_RTC_DRV_DS1307=y
 CONFIG_RTC_DRV_CMOS=y
diff --git a/arch/powerpc/configs/cell_defconfig b/arch/powerpc/configs/cell_defconfig
index 2d7fcbe047ac..aa564599e368 100644
--- a/arch/powerpc/configs/cell_defconfig
+++ b/arch/powerpc/configs/cell_defconfig
@@ -179,7 +179,6 @@ CONFIG_INFINIBAND_MTHCA=m
 CONFIG_INFINIBAND_IPOIB=m
 CONFIG_INFINIBAND_IPOIB_DEBUG_DATA=y
 CONFIG_EDAC=y
-CONFIG_EDAC_MM_EDAC=y
 CONFIG_EDAC_CELL=y
 CONFIG_UIO=m
 CONFIG_EXT2_FS=y
diff --git a/arch/powerpc/configs/pasemi_defconfig b/arch/powerpc/configs/pasemi_defconfig
index 5553c5ce4274..fe43ff47bd2f 100644
--- a/arch/powerpc/configs/pasemi_defconfig
+++ b/arch/powerpc/configs/pasemi_defconfig
@@ -142,7 +142,6 @@ CONFIG_USB_UHCI_HCD=y
 CONFIG_USB_SL811_HCD=y
 CONFIG_USB_STORAGE=y
 CONFIG_EDAC=y
-CONFIG_EDAC_MM_EDAC=y
 CONFIG_EDAC_PASEMI=y
 CONFIG_RTC_CLASS=y
 CONFIG_RTC_DRV_DS1307=y
diff --git a/arch/powerpc/configs/ppc64_defconfig b/arch/powerpc/configs/ppc64_defconfig
index 4f1288b04303..f2e03f032041 100644
--- a/arch/powerpc/configs/ppc64_defconfig
+++ b/arch/powerpc/configs/ppc64_defconfig
@@ -262,7 +262,6 @@ CONFIG_INFINIBAND_IPOIB_CM=y
 CONFIG_INFINIBAND_SRP=m
 CONFIG_INFINIBAND_ISER=m
 CONFIG_EDAC=y
-CONFIG_EDAC_MM_EDAC=y
 CONFIG_EDAC_PASEMI=y
 CONFIG_RTC_CLASS=y
 CONFIG_RTC_DRV_DS1307=y
diff --git a/arch/powerpc/configs/ppc64e_defconfig b/arch/powerpc/configs/ppc64e_defconfig
index 11a3473f9e2e..6340e6c53c54 100644
--- a/arch/powerpc/configs/ppc64e_defconfig
+++ b/arch/powerpc/configs/ppc64e_defconfig
@@ -173,7 +173,6 @@ CONFIG_INFINIBAND_MTHCA=m
 CONFIG_INFINIBAND_IPOIB=m
 CONFIG_INFINIBAND_ISER=m
 CONFIG_EDAC=y
-CONFIG_EDAC_MM_EDAC=y
 CONFIG_RTC_CLASS=y
 CONFIG_RTC_DRV_DS1307=y
 CONFIG_FS_DAX=y
diff --git a/arch/powerpc/configs/ppc6xx_defconfig b/arch/powerpc/configs/ppc6xx_defconfig
index 1d2d69dd6409..18d0d60dadbf 100644
--- a/arch/powerpc/configs/ppc6xx_defconfig
+++ b/arch/powerpc/configs/ppc6xx_defconfig
@@ -988,8 +988,7 @@ CONFIG_LEDS_TRIGGER_BACKLIGHT=m
 CONFIG_LEDS_TRIGGER_DEFAULT_ON=m
 CONFIG_ACCESSIBILITY=y
 CONFIG_A11Y_BRAILLE_CONSOLE=y
-CONFIG_EDAC=y
-CONFIG_EDAC_MM_EDAC=m
+CONFIG_EDAC=m
 CONFIG_RTC_CLASS=y
 # CONFIG_RTC_HCTOSYS is not set
 CONFIG_RTC_DRV_DS1307=m
diff --git a/arch/tile/configs/tilegx_defconfig b/arch/tile/configs/tilegx_defconfig
index fd122ef45b00..0d925fa0f0c1 100644
--- a/arch/tile/configs/tilegx_defconfig
+++ b/arch/tile/configs/tilegx_defconfig
@@ -249,7 +249,6 @@ CONFIG_USB_EHCI_HCD=y
 CONFIG_USB_OHCI_HCD=y
 CONFIG_USB_STORAGE=y
 CONFIG_EDAC=y
-CONFIG_EDAC_MM_EDAC=y
 CONFIG_RTC_CLASS=y
 CONFIG_RTC_DRV_TILE=y
 CONFIG_EXT2_FS=y
diff --git a/arch/tile/configs/tilepro_defconfig b/arch/tile/configs/tilepro_defconfig
index eb6a55944191..149d8e8eacb8 100644
--- a/arch/tile/configs/tilepro_defconfig
+++ b/arch/tile/configs/tilepro_defconfig
@@ -358,7 +358,6 @@ CONFIG_WATCHDOG_NOWAYOUT=y
 # CONFIG_VGA_ARB is not set
 # CONFIG_USB_SUPPORT is not set
 CONFIG_EDAC=y
-CONFIG_EDAC_MM_EDAC=y
 CONFIG_RTC_CLASS=y
 CONFIG_RTC_DRV_TILE=y
 CONFIG_EXT2_FS=y
diff --git a/arch/x86/kernel/nmi.c b/arch/x86/kernel/nmi.c
index a723ae9440ab..446c8aa09b9b 100644
--- a/arch/x86/kernel/nmi.c
+++ b/arch/x86/kernel/nmi.c
@@ -222,17 +222,6 @@ pci_serr_error(unsigned char reason, struct pt_regs *regs)
 	pr_emerg("NMI: PCI system error (SERR) for reason %02x on CPU %d.\n",
 		 reason, smp_processor_id());
 
-	/*
-	 * On some machines, PCI SERR line is used to report memory
-	 * errors. EDAC makes use of it.
-	 */
-#if defined(CONFIG_EDAC)
-	if (edac_handler_set()) {
-		edac_atomic_assert_error();
-		return;
-	}
-#endif
-
 	if (panic_on_unrecovered_nmi)
 		nmi_panic(regs, "NMI: Not continuing");
 
diff --git a/drivers/acpi/Kconfig b/drivers/acpi/Kconfig
index 83e5f7e1a20d..a20cfcbee694 100644
--- a/drivers/acpi/Kconfig
+++ b/drivers/acpi/Kconfig
@@ -469,9 +469,8 @@ config ACPI_WATCHDOG
 
 config ACPI_EXTLOG
 	tristate "Extended Error Log support"
-	depends on X86_MCE && X86_LOCAL_APIC
+	depends on X86_MCE && X86_LOCAL_APIC && EDAC
 	select UEFI_CPER
-	select RAS
 	default n
 	help
 	  Certain usages such as Predictive Failure Analysis (PFA) require
diff --git a/drivers/acpi/acpi_extlog.c b/drivers/acpi/acpi_extlog.c
index a15270a806fc..502ea4dc2080 100644
--- a/drivers/acpi/acpi_extlog.c
+++ b/drivers/acpi/acpi_extlog.c
@@ -229,7 +229,7 @@ static int __init extlog_init(void)
 	if (!(cap & MCG_ELOG_P) || !extlog_get_l1addr())
 		return -ENODEV;
 
-	if (get_edac_report_status() == EDAC_REPORTING_FORCE) {
+	if (edac_get_report_status() == EDAC_REPORTING_FORCE) {
 		pr_warn("Not loading eMCA, error reporting force-enabled through EDAC.\n");
 		return -EPERM;
 	}
@@ -285,8 +285,8 @@ static int __init extlog_init(void)
 	 * eMCA event report method has higher priority than EDAC method,
 	 * unless EDAC event report method is mandatory.
 	 */
-	old_edac_report_status = get_edac_report_status();
-	set_edac_report_status(EDAC_REPORTING_DISABLED);
+	old_edac_report_status = edac_get_report_status();
+	edac_set_report_status(EDAC_REPORTING_DISABLED);
 	mce_register_decode_chain(&extlog_mce_dec);
 	/* enable OS to be involved to take over management from BIOS */
 	((struct extlog_l1_head *)extlog_l1_addr)->flags |= FLAG_OS_OPTIN;
@@ -308,7 +308,7 @@ err:
 
 static void __exit extlog_exit(void)
 {
-	set_edac_report_status(old_edac_report_status);
+	edac_set_report_status(old_edac_report_status);
 	mce_unregister_decode_chain(&extlog_mce_dec);
 	((struct extlog_l1_head *)extlog_l1_addr)->flags &= ~FLAG_OS_OPTIN;
 	if (extlog_l1_addr)
diff --git a/drivers/edac/Kconfig b/drivers/edac/Kconfig
index 4773f2867234..96afb2aeed18 100644
--- a/drivers/edac/Kconfig
+++ b/drivers/edac/Kconfig
@@ -10,26 +10,16 @@ config EDAC_SUPPORT
 	bool
 
 menuconfig EDAC
-	bool "EDAC (Error Detection And Correction) reporting"
-	depends on HAS_IOMEM && EDAC_SUPPORT
+	tristate "EDAC (Error Detection And Correction) reporting"
+	depends on HAS_IOMEM && EDAC_SUPPORT && RAS
 	help
-	  EDAC is designed to report errors in the core system.
-	  These are low-level errors that are reported in the CPU or
-	  supporting chipset or other subsystems:
+	  EDAC is a subsystem along with hardware-specific drivers designed to
+	  report hardware errors. These are low-level errors that are reported
+	  in the CPU or supporting chipset or other subsystems:
 	  memory errors, cache errors, PCI errors, thermal throttling, etc..
 	  If unsure, select 'Y'.
 
-	  If this code is reporting problems on your system, please
-	  see the EDAC project web pages for more information at:
-
-	  <http://bluesmoke.sourceforge.net/>
-
-	  and:
-
-	  <http://buttersideup.com/edacwiki>
-
-	  There is also a mailing list for the EDAC project, which can
-	  be found via the sourceforge page.
+	  The mailing list for the EDAC project is linux-edac@vger.kernel.org.
 
 if EDAC
 
@@ -62,21 +52,9 @@ config EDAC_DECODE_MCE
 	  which occur really early upon boot, before the module infrastructure
 	  has been initialized.
 
-config EDAC_MM_EDAC
-	tristate "Main Memory EDAC (Error Detection And Correction) reporting"
-	select RAS
-	help
-	  Some systems are able to detect and correct errors in main
-	  memory.  EDAC can report statistics on memory error
-	  detection and correction (EDAC - or commonly referred to ECC
-	  errors).  EDAC will also try to decode where these errors
-	  occurred so that a particular failing memory module can be
-	  replaced.  If unsure, select 'Y'.
-
 config EDAC_GHES
 	bool "Output ACPI APEI/GHES BIOS detected errors via EDAC"
-	depends on ACPI_APEI_GHES && (EDAC_MM_EDAC=y)
-	default y
+	depends on ACPI_APEI_GHES && (EDAC=y)
 	help
 	  Not all machines support hardware-driven error report. Some of those
 	  provide a BIOS-driven error report mechanism via ACPI, using the
@@ -98,7 +76,7 @@ config EDAC_GHES
 
 config EDAC_AMD64
 	tristate "AMD64 (Opteron, Athlon64)"
-	depends on EDAC_MM_EDAC && AMD_NB && EDAC_DECODE_MCE
+	depends on AMD_NB && EDAC_DECODE_MCE
 	help
 	  Support for error detection and correction of DRAM ECC errors on
 	  the AMD64 families (>= K8) of memory controllers.
@@ -124,28 +102,28 @@ config EDAC_AMD64_ERROR_INJECTION
 
 config EDAC_AMD76X
 	tristate "AMD 76x (760, 762, 768)"
-	depends on EDAC_MM_EDAC && PCI && X86_32
+	depends on PCI && X86_32
 	help
 	  Support for error detection and correction on the AMD 76x
 	  series of chipsets used with the Athlon processor.
 
 config EDAC_E7XXX
 	tristate "Intel e7xxx (e7205, e7500, e7501, e7505)"
-	depends on EDAC_MM_EDAC && PCI && X86_32
+	depends on PCI && X86_32
 	help
 	  Support for error detection and correction on the Intel
 	  E7205, E7500, E7501 and E7505 server chipsets.
 
 config EDAC_E752X
 	tristate "Intel e752x (e7520, e7525, e7320) and 3100"
-	depends on EDAC_MM_EDAC && PCI && X86
+	depends on PCI && X86
 	help
 	  Support for error detection and correction on the Intel
 	  E7520, E7525, E7320 server chipsets.
 
 config EDAC_I82443BXGX
 	tristate "Intel 82443BX/GX (440BX/GX)"
-	depends on EDAC_MM_EDAC && PCI && X86_32
+	depends on PCI && X86_32
 	depends on BROKEN
 	help
 	  Support for error detection and correction on the Intel
@@ -153,56 +131,56 @@ config EDAC_I82443BXGX
 
 config EDAC_I82875P
 	tristate "Intel 82875p (D82875P, E7210)"
-	depends on EDAC_MM_EDAC && PCI && X86_32
+	depends on PCI && X86_32
 	help
 	  Support for error detection and correction on the Intel
 	  DP82785P and E7210 server chipsets.
 
 config EDAC_I82975X
 	tristate "Intel 82975x (D82975x)"
-	depends on EDAC_MM_EDAC && PCI && X86
+	depends on PCI && X86
 	help
 	  Support for error detection and correction on the Intel
 	  DP82975x server chipsets.
 
 config EDAC_I3000
 	tristate "Intel 3000/3010"
-	depends on EDAC_MM_EDAC && PCI && X86
+	depends on PCI && X86
 	help
 	  Support for error detection and correction on the Intel
 	  3000 and 3010 server chipsets.
 
 config EDAC_I3200
 	tristate "Intel 3200"
-	depends on EDAC_MM_EDAC && PCI && X86
+	depends on PCI && X86
 	help
 	  Support for error detection and correction on the Intel
 	  3200 and 3210 server chipsets.
 
 config EDAC_IE31200
 	tristate "Intel e312xx"
-	depends on EDAC_MM_EDAC && PCI && X86
+	depends on PCI && X86
 	help
 	  Support for error detection and correction on the Intel
 	  E3-1200 based DRAM controllers.
 
 config EDAC_X38
 	tristate "Intel X38"
-	depends on EDAC_MM_EDAC && PCI && X86
+	depends on PCI && X86
 	help
 	  Support for error detection and correction on the Intel
 	  X38 server chipsets.
 
 config EDAC_I5400
 	tristate "Intel 5400 (Seaburg) chipsets"
-	depends on EDAC_MM_EDAC && PCI && X86
+	depends on PCI && X86
 	help
 	  Support for error detection and correction the Intel
 	  i5400 MCH chipset (Seaburg).
 
 config EDAC_I7CORE
 	tristate "Intel i7 Core (Nehalem) processors"
-	depends on EDAC_MM_EDAC && PCI && X86 && X86_MCE_INTEL
+	depends on PCI && X86 && X86_MCE_INTEL
 	help
 	  Support for error detection and correction the Intel
 	  i7 Core (Nehalem) Integrated Memory Controller that exists on
@@ -211,58 +189,56 @@ config EDAC_I7CORE
 
 config EDAC_I82860
 	tristate "Intel 82860"
-	depends on EDAC_MM_EDAC && PCI && X86_32
+	depends on PCI && X86_32
 	help
 	  Support for error detection and correction on the Intel
 	  82860 chipset.
 
 config EDAC_R82600
 	tristate "Radisys 82600 embedded chipset"
-	depends on EDAC_MM_EDAC && PCI && X86_32
+	depends on PCI && X86_32
 	help
 	  Support for error detection and correction on the Radisys
 	  82600 embedded chipset.
 
 config EDAC_I5000
 	tristate "Intel Greencreek/Blackford chipset"
-	depends on EDAC_MM_EDAC && X86 && PCI
+	depends on X86 && PCI
 	help
 	  Support for error detection and correction the Intel
 	  Greekcreek/Blackford chipsets.
 
 config EDAC_I5100
 	tristate "Intel San Clemente MCH"
-	depends on EDAC_MM_EDAC && X86 && PCI
+	depends on X86 && PCI
 	help
 	  Support for error detection and correction the Intel
 	  San Clemente MCH.
 
 config EDAC_I7300
 	tristate "Intel Clarksboro MCH"
-	depends on EDAC_MM_EDAC && X86 && PCI
+	depends on X86 && PCI
 	help
 	  Support for error detection and correction the Intel
 	  Clarksboro MCH (Intel 7300 chipset).
 
 config EDAC_SBRIDGE
 	tristate "Intel Sandy-Bridge/Ivy-Bridge/Haswell Integrated MC"
-	depends on EDAC_MM_EDAC && PCI && X86_64 && X86_MCE_INTEL
-	depends on PCI_MMCONFIG
+	depends on PCI && X86_64 && X86_MCE_INTEL && PCI_MMCONFIG
 	help
 	  Support for error detection and correction the Intel
 	  Sandy Bridge, Ivy Bridge and Haswell Integrated Memory Controllers.
 
 config EDAC_SKX
 	tristate "Intel Skylake server Integrated MC"
-	depends on EDAC_MM_EDAC && PCI && X86_64 && X86_MCE_INTEL
-	depends on PCI_MMCONFIG
+	depends on PCI && X86_64 && X86_MCE_INTEL && PCI_MMCONFIG
 	help
 	  Support for error detection and correction the Intel
 	  Skylake server Integrated Memory Controllers.
 
 config EDAC_PND2
 	tristate "Intel Pondicherry2"
-	depends on EDAC_MM_EDAC && PCI && X86_64 && X86_MCE_INTEL
+	depends on PCI && X86_64 && X86_MCE_INTEL
 	help
 	  Support for error detection and correction on the Intel
 	  Pondicherry2 Integrated Memory Controller. This SoC IP is
@@ -271,36 +247,35 @@ config EDAC_PND2
 
 config EDAC_MPC85XX
 	tristate "Freescale MPC83xx / MPC85xx"
-	depends on EDAC_MM_EDAC && FSL_SOC
+	depends on FSL_SOC
 	help
 	  Support for error detection and correction on the Freescale
 	  MPC8349, MPC8560, MPC8540, MPC8548, T4240
 
 config EDAC_LAYERSCAPE
 	tristate "Freescale Layerscape DDR"
-	depends on EDAC_MM_EDAC && ARCH_LAYERSCAPE
+	depends on ARCH_LAYERSCAPE
 	help
 	  Support for error detection and correction on Freescale memory
 	  controllers on Layerscape SoCs.
 
 config EDAC_MV64X60
 	tristate "Marvell MV64x60"
-	depends on EDAC_MM_EDAC && MV64X60
+	depends on MV64X60
 	help
 	  Support for error detection and correction on the Marvell
 	  MV64360 and MV64460 chipsets.
 
 config EDAC_PASEMI
 	tristate "PA Semi PWRficient"
-	depends on EDAC_MM_EDAC && PCI
-	depends on PPC_PASEMI
+	depends on PPC_PASEMI && PCI
 	help
 	  Support for error detection and correction on PA Semi
 	  PWRficient.
 
 config EDAC_CELL
 	tristate "Cell Broadband Engine memory controller"
-	depends on EDAC_MM_EDAC && PPC_CELL_COMMON
+	depends on PPC_CELL_COMMON
 	help
 	  Support for error detection and correction on the
 	  Cell Broadband Engine internal memory controller
@@ -308,7 +283,7 @@ config EDAC_CELL
 
 config EDAC_PPC4XX
 	tristate "PPC4xx IBM DDR2 Memory Controller"
-	depends on EDAC_MM_EDAC && 4xx
+	depends on 4xx
 	help
 	  This enables support for EDAC on the ECC memory used
 	  with the IBM DDR2 memory controller found in various
@@ -317,7 +292,7 @@ config EDAC_PPC4XX
 
 config EDAC_AMD8131
 	tristate "AMD8131 HyperTransport PCI-X Tunnel"
-	depends on EDAC_MM_EDAC && PCI && PPC_MAPLE
+	depends on PCI && PPC_MAPLE
 	help
 	  Support for error detection and correction on the
 	  AMD8131 HyperTransport PCI-X Tunnel chip.
@@ -326,7 +301,7 @@ config EDAC_AMD8131
 
 config EDAC_AMD8111
 	tristate "AMD8111 HyperTransport I/O Hub"
-	depends on EDAC_MM_EDAC && PCI && PPC_MAPLE
+	depends on PCI && PPC_MAPLE
 	help
 	  Support for error detection and correction on the
 	  AMD8111 HyperTransport I/O Hub chip.
@@ -335,7 +310,7 @@ config EDAC_AMD8111
 
 config EDAC_CPC925
 	tristate "IBM CPC925 Memory Controller (PPC970FX)"
-	depends on EDAC_MM_EDAC && PPC64
+	depends on PPC64
 	help
 	  Support for error detection and correction on the
 	  IBM CPC925 Bridge and Memory Controller, which is
@@ -344,7 +319,7 @@ config EDAC_CPC925
 
 config EDAC_TILE
 	tristate "Tilera Memory Controller"
-	depends on EDAC_MM_EDAC && TILE
+	depends on TILE
 	default y
 	help
 	  Support for error detection and correction on the
@@ -352,49 +327,59 @@ config EDAC_TILE
 
 config EDAC_HIGHBANK_MC
 	tristate "Highbank Memory Controller"
-	depends on EDAC_MM_EDAC && ARCH_HIGHBANK
+	depends on ARCH_HIGHBANK
 	help
 	  Support for error detection and correction on the
 	  Calxeda Highbank memory controller.
 
 config EDAC_HIGHBANK_L2
 	tristate "Highbank L2 Cache"
-	depends on EDAC_MM_EDAC && ARCH_HIGHBANK
+	depends on ARCH_HIGHBANK
 	help
 	  Support for error detection and correction on the
 	  Calxeda Highbank memory controller.
 
 config EDAC_OCTEON_PC
 	tristate "Cavium Octeon Primary Caches"
-	depends on EDAC_MM_EDAC && CPU_CAVIUM_OCTEON
+	depends on CPU_CAVIUM_OCTEON
 	help
 	  Support for error detection and correction on the primary caches of
 	  the cnMIPS cores of Cavium Octeon family SOCs.
 
 config EDAC_OCTEON_L2C
 	tristate "Cavium Octeon Secondary Caches (L2C)"
-	depends on EDAC_MM_EDAC && CAVIUM_OCTEON_SOC
+	depends on CAVIUM_OCTEON_SOC
 	help
 	  Support for error detection and correction on the
 	  Cavium Octeon family of SOCs.
 
 config EDAC_OCTEON_LMC
 	tristate "Cavium Octeon DRAM Memory Controller (LMC)"
-	depends on EDAC_MM_EDAC && CAVIUM_OCTEON_SOC
+	depends on CAVIUM_OCTEON_SOC
 	help
 	  Support for error detection and correction on the
 	  Cavium Octeon family of SOCs.
 
 config EDAC_OCTEON_PCI
 	tristate "Cavium Octeon PCI Controller"
-	depends on EDAC_MM_EDAC && PCI && CAVIUM_OCTEON_SOC
+	depends on PCI && CAVIUM_OCTEON_SOC
 	help
 	  Support for error detection and correction on the
 	  Cavium Octeon family of SOCs.
 
+config EDAC_THUNDERX
+	tristate "Cavium ThunderX EDAC"
+	depends on ARM64
+	depends on PCI
+	help
+	  Support for error detection and correction on the
+	  Cavium ThunderX memory controllers (LMC), Cache
+	  Coherent Processor Interconnect (CCPI) and L2 cache
+	  blocks (TAD, CBC, MCI).
+
 config EDAC_ALTERA
 	bool "Altera SOCFPGA ECC"
-	depends on EDAC_MM_EDAC=y && ARCH_SOCFPGA
+	depends on EDAC=y && ARCH_SOCFPGA
 	help
 	  Support for error detection and correction on the
 	  Altera SOCs. This must be selected for SDRAM ECC.
@@ -460,14 +445,14 @@ config EDAC_ALTERA_SDMMC
 
 config EDAC_SYNOPSYS
 	tristate "Synopsys DDR Memory Controller"
-	depends on EDAC_MM_EDAC && ARCH_ZYNQ
+	depends on ARCH_ZYNQ
 	help
 	  Support for error detection and correction on the Synopsys DDR
 	  memory controller.
 
 config EDAC_XGENE
 	tristate "APM X-Gene SoC"
-	depends on EDAC_MM_EDAC && (ARM64 || COMPILE_TEST)
+	depends on (ARM64 || COMPILE_TEST)
 	help
 	  Support for error detection and correction on the
 	  APM X-Gene family of SOCs.
diff --git a/drivers/edac/Makefile b/drivers/edac/Makefile
index 587107e90996..0fd9ffa63299 100644
--- a/drivers/edac/Makefile
+++ b/drivers/edac/Makefile
@@ -6,8 +6,7 @@
 # GNU General Public License.
 #
 
-obj-$(CONFIG_EDAC)			:= edac_stub.o
-obj-$(CONFIG_EDAC_MM_EDAC)		+= edac_core.o
+obj-$(CONFIG_EDAC)			:= edac_core.o
 
 edac_core-y	:= edac_mc.o edac_device.o edac_mc_sysfs.o
 edac_core-y	+= edac_module.o edac_device_sysfs.o wq.o
@@ -67,13 +66,14 @@ obj-$(CONFIG_EDAC_AMD8131)		+= amd8131_edac.o
 
 obj-$(CONFIG_EDAC_TILE)			+= tile_edac.o
 
-obj-$(CONFIG_EDAC_HIGHBANK_MC)	+= highbank_mc_edac.o
-obj-$(CONFIG_EDAC_HIGHBANK_L2)	+= highbank_l2_edac.o
+obj-$(CONFIG_EDAC_HIGHBANK_MC)		+= highbank_mc_edac.o
+obj-$(CONFIG_EDAC_HIGHBANK_L2)		+= highbank_l2_edac.o
 
 obj-$(CONFIG_EDAC_OCTEON_PC)		+= octeon_edac-pc.o
 obj-$(CONFIG_EDAC_OCTEON_L2C)		+= octeon_edac-l2c.o
 obj-$(CONFIG_EDAC_OCTEON_LMC)		+= octeon_edac-lmc.o
 obj-$(CONFIG_EDAC_OCTEON_PCI)		+= octeon_edac-pci.o
+obj-$(CONFIG_EDAC_THUNDERX)		+= thunderx_edac.o
 
 obj-$(CONFIG_EDAC_ALTERA)		+= altera_edac.o
 obj-$(CONFIG_EDAC_SYNOPSYS)		+= synopsys_edac.o
diff --git a/drivers/edac/altera_edac.c b/drivers/edac/altera_edac.c
index c5a5b91f37f0..7717b094fabb 100644
--- a/drivers/edac/altera_edac.c
+++ b/drivers/edac/altera_edac.c
@@ -1023,13 +1023,23 @@ out:
 	return ret;
 }
 
+static int socfpga_is_a10(void)
+{
+	return of_machine_is_compatible("altr,socfpga-arria10");
+}
+
 static int validate_parent_available(struct device_node *np);
 static const struct of_device_id altr_edac_a10_device_of_match[];
 static int __init __maybe_unused altr_init_a10_ecc_device_type(char *compat)
 {
 	int irq;
-	struct device_node *child, *np = of_find_compatible_node(NULL, NULL,
-					"altr,socfpga-a10-ecc-manager");
+	struct device_node *child, *np;
+
+	if (!socfpga_is_a10())
+		return -ENODEV;
+
+	np = of_find_compatible_node(NULL, NULL,
+				     "altr,socfpga-a10-ecc-manager");
 	if (!np) {
 		edac_printk(KERN_ERR, EDAC_DEVICE, "ECC Manager not found\n");
 		return -ENODEV;
@@ -1545,8 +1555,12 @@ static const struct edac_device_prv_data a10_sdmmceccb_data = {
 static int __init socfpga_init_sdmmc_ecc(void)
 {
 	int rc = -ENODEV;
-	struct device_node *child = of_find_compatible_node(NULL, NULL,
-						"altr,socfpga-sdmmc-ecc");
+	struct device_node *child;
+
+	if (!socfpga_is_a10())
+		return -ENODEV;
+
+	child = of_find_compatible_node(NULL, NULL, "altr,socfpga-sdmmc-ecc");
 	if (!child) {
 		edac_printk(KERN_WARNING, EDAC_DEVICE, "SDMMC node not found\n");
 		return -ENODEV;
diff --git a/drivers/edac/edac_mc.c b/drivers/edac/edac_mc.c
index e5573c56b15e..480072139b7a 100644
--- a/drivers/edac/edac_mc.c
+++ b/drivers/edac/edac_mc.c
@@ -40,6 +40,11 @@
 #define edac_atomic_scrub(va, size) do { } while (0)
 #endif
 
+int edac_op_state = EDAC_OPSTATE_INVAL;
+EXPORT_SYMBOL_GPL(edac_op_state);
+
+static int edac_report = EDAC_REPORTING_ENABLED;
+
 /* lock to memory controller's control array */
 static DEFINE_MUTEX(mem_ctls_mutex);
 static LIST_HEAD(mc_devices);
@@ -52,6 +57,65 @@ static void const *edac_mc_owner;
 
 static struct bus_type mc_bus[EDAC_MAX_MCS];
 
+int edac_get_report_status(void)
+{
+	return edac_report;
+}
+EXPORT_SYMBOL_GPL(edac_get_report_status);
+
+void edac_set_report_status(int new)
+{
+	if (new == EDAC_REPORTING_ENABLED ||
+	    new == EDAC_REPORTING_DISABLED ||
+	    new == EDAC_REPORTING_FORCE)
+		edac_report = new;
+}
+EXPORT_SYMBOL_GPL(edac_set_report_status);
+
+static int edac_report_set(const char *str, const struct kernel_param *kp)
+{
+	if (!str)
+		return -EINVAL;
+
+	if (!strncmp(str, "on", 2))
+		edac_report = EDAC_REPORTING_ENABLED;
+	else if (!strncmp(str, "off", 3))
+		edac_report = EDAC_REPORTING_DISABLED;
+	else if (!strncmp(str, "force", 5))
+		edac_report = EDAC_REPORTING_FORCE;
+
+	return 0;
+}
+
+static int edac_report_get(char *buffer, const struct kernel_param *kp)
+{
+	int ret = 0;
+
+	switch (edac_report) {
+	case EDAC_REPORTING_ENABLED:
+		ret = sprintf(buffer, "on");
+		break;
+	case EDAC_REPORTING_DISABLED:
+		ret = sprintf(buffer, "off");
+		break;
+	case EDAC_REPORTING_FORCE:
+		ret = s