linux-kernel - [PATCH]: acpica/nfit: Rename not-armed bit definition

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Message-Id: <1440772817-13562-1-git-send-email-toshi.kani@hp.com>
Date:	Fri, 28 Aug 2015 08:40:17 -0600
From:	Toshi Kani <toshi.kani@...com>
To:	dan.j.williams@...el.com, rafael.j.wysocki@...el.com,
	robert.moore@...el.com
Cc:	devel@...ica.org, linux-nvdimm@...ts.01.org,
	linux-acpi@...r.kernel.org, linux-kernel@...r.kernel.org,
	Toshi Kani <toshi.kani@...com>
Subject: [PATCH]: acpica/nfit: Rename not-armed bit definition

ACPI 6.0 NFIT Memory Device State Flags in Table 5-129 defines
bit 3 as follows.

  Bit [3] set to 1 to indicate that the Memory Device is observed
  to be not armed prior to OSPM hand off. A Memory Device is
  considered armed if it is able to accept persistent writes.

This bit is currently defined as ACPI_NFIT_MEM_ARMED, which can be
confusing as if the Memory Device is armed when this bit is set.

Change the name to ACPI_NFIT_MEM_NOT_ARMED per the spec.

Signed-off-by: Toshi Kani <toshi.kani@...com>
Cc: Bob Moore <robert.moore@...el.com>
Cc: Dan Williams <dan.j.williams@...el.com>
Cc: Rafael J. Wysocki <rafael.j.wysocki@...el.com>
---
This patch is based on the linus's tree.
---
 drivers/acpi/nfit.c              |    6 +++---
 drivers/acpi/nfit.h              |    2 +-
 include/acpi/actbl1.h            |    2 +-
 tools/testing/nvdimm/test/nfit.c |    2 +-
 4 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/drivers/acpi/nfit.c b/drivers/acpi/nfit.c
index cf0fd96..4596e0a 100644
--- a/drivers/acpi/nfit.c
+++ b/drivers/acpi/nfit.c
@@ -705,7 +705,7 @@ static ssize_t flags_show(struct device *dev,
 		flags & ACPI_NFIT_MEM_SAVE_FAILED ? "save_fail " : "",
 		flags & ACPI_NFIT_MEM_RESTORE_FAILED ? "restore_fail " : "",
 		flags & ACPI_NFIT_MEM_FLUSH_FAILED ? "flush_fail " : "",
-		flags & ACPI_NFIT_MEM_ARMED ? "not_armed " : "",
+		flags & ACPI_NFIT_MEM_NOT_ARMED ? "not_armed " : "",
 		flags & ACPI_NFIT_MEM_HEALTH_OBSERVED ? "smart_event " : "");
 }
 static DEVICE_ATTR_RO(flags);
@@ -830,7 +830,7 @@ static int acpi_nfit_register_dimms(struct acpi_nfit_desc *acpi_desc)
 			flags |= NDD_ALIASING;
 
 		mem_flags = __to_nfit_memdev(nfit_mem)->flags;
-		if (mem_flags & ACPI_NFIT_MEM_ARMED)
+		if (mem_flags & ACPI_NFIT_MEM_NOT_ARMED)
 			flags |= NDD_UNARMED;
 
 		rc = acpi_nfit_add_dimm(acpi_desc, nfit_mem, device_handle);
@@ -854,7 +854,7 @@ static int acpi_nfit_register_dimms(struct acpi_nfit_desc *acpi_desc)
 		  mem_flags & ACPI_NFIT_MEM_SAVE_FAILED ? " save_fail" : "",
 		  mem_flags & ACPI_NFIT_MEM_RESTORE_FAILED ? " restore_fail":"",
 		  mem_flags & ACPI_NFIT_MEM_FLUSH_FAILED ? " flush_fail" : "",
-		  mem_flags & ACPI_NFIT_MEM_ARMED ? " not_armed" : "");
+		  mem_flags & ACPI_NFIT_MEM_NOT_ARMED ? " not_armed" : "");
 
 	}
 
diff --git a/drivers/acpi/nfit.h b/drivers/acpi/nfit.h
index 79b6d83..90505e3 100644
--- a/drivers/acpi/nfit.h
+++ b/drivers/acpi/nfit.h
@@ -24,7 +24,7 @@
 #define UUID_NFIT_DIMM "4309ac30-0d11-11e4-9191-0800200c9a66"
 #define ACPI_NFIT_MEM_FAILED_MASK (ACPI_NFIT_MEM_SAVE_FAILED \
 		| ACPI_NFIT_MEM_RESTORE_FAILED | ACPI_NFIT_MEM_FLUSH_FAILED \
-		| ACPI_NFIT_MEM_ARMED)
+		| ACPI_NFIT_MEM_NOT_ARMED)
 
 enum nfit_uuids {
 	NFIT_SPA_VOLATILE,
diff --git a/include/acpi/actbl1.h b/include/acpi/actbl1.h
index fcd5709..238754e 100644
--- a/include/acpi/actbl1.h
+++ b/include/acpi/actbl1.h
@@ -1012,7 +1012,7 @@ struct acpi_nfit_memory_map {
 #define ACPI_NFIT_MEM_SAVE_FAILED       (1)	/* 00: Last SAVE to Memory Device failed */
 #define ACPI_NFIT_MEM_RESTORE_FAILED    (1<<1)	/* 01: Last RESTORE from Memory Device failed */
 #define ACPI_NFIT_MEM_FLUSH_FAILED      (1<<2)	/* 02: Platform flush failed */
-#define ACPI_NFIT_MEM_ARMED             (1<<3)	/* 03: Memory Device observed to be not armed */
+#define ACPI_NFIT_MEM_NOT_ARMED         (1<<3)	/* 03: Memory Device observed to be not armed */
 #define ACPI_NFIT_MEM_HEALTH_OBSERVED   (1<<4)	/* 04: Memory Device observed SMART/health events */
 #define ACPI_NFIT_MEM_HEALTH_ENABLED    (1<<5)	/* 05: SMART/health events enabled */
 
diff --git a/tools/testing/nvdimm/test/nfit.c b/tools/testing/nvdimm/test/nfit.c
index d0bdae4..ed271ba 100644
--- a/tools/testing/nvdimm/test/nfit.c
+++ b/tools/testing/nvdimm/test/nfit.c
@@ -917,7 +917,7 @@ static void nfit_test1_setup(struct nfit_test *t)
 	memdev->interleave_ways = 1;
 	memdev->flags = ACPI_NFIT_MEM_SAVE_FAILED | ACPI_NFIT_MEM_RESTORE_FAILED
 		| ACPI_NFIT_MEM_FLUSH_FAILED | ACPI_NFIT_MEM_HEALTH_OBSERVED
-		| ACPI_NFIT_MEM_ARMED;
+		| ACPI_NFIT_MEM_NOT_ARMED;
 
 	offset += sizeof(*memdev);
 	/* dcr-descriptor0 */
--
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