On arm64 little endian allyesconfig:
drivers/acpi/nfit/intel.c:149:12: warning: unused function
'intel_security_unlock' [-Wunused-function]
static int intel_security_unlock(struct nvdimm *nvdimm,
^
drivers/acpi/nfit/intel.c:230:12: warning: unused function
'intel_security_erase' [-Wunused-function]
static int intel_security_erase(struct nvdimm *nvdimm,
^
drivers/acpi/nfit/intel.c:279:12: warning: unused function
'intel_security_query_overwrite' [-Wunused-function]
static int intel_security_query_overwrite(struct nvdimm *nvdimm)
^
drivers/acpi/nfit/intel.c:316:12: warning: unused function
'intel_security_overwrite' [-Wunused-function]
static int intel_security_overwrite(struct nvdimm *nvdimm,
^
4 warnings generated.
These functions are only used in __intel_security_ops when CONFIG_X86 is
set so only define these functions under that same condition.
Fixes: 4c6926a23b76 ("acpi/nfit, libnvdimm: Add unlock of nvdimm support for
Intel DIMMs")
Signed-off-by: Nathan Chancellor <natechancel...@gmail.com>
---
drivers/acpi/nfit/intel.c | 9 +++------
1 file changed, 3 insertions(+), 6 deletions(-)
diff --git a/drivers/acpi/nfit/intel.c b/drivers/acpi/nfit/intel.c
index 850b2927b4e7..2ba0f1543940 100644
--- a/drivers/acpi/nfit/intel.c
+++ b/drivers/acpi/nfit/intel.c
@@ -144,6 +144,7 @@ static int intel_security_change_key(struct nvdimm *nvdimm,
}
}
+#ifdef CONFIG_X86
static void nvdimm_invalidate_cache(void);
static int intel_security_unlock(struct nvdimm *nvdimm,
@@ -186,6 +187,7 @@ static int intel_security_unlock(struct nvdimm *nvdimm,
return 0;
}
+#endif
static int intel_security_disable(struct nvdimm *nvdimm,
const struct nvdimm_key_data *key_data)
@@ -227,6 +229,7 @@ static int intel_security_disable(struct nvdimm *nvdimm,
return 0;
}
+#ifdef CONFIG_X86
static int intel_security_erase(struct nvdimm *nvdimm,
const struct nvdimm_key_data *key,
enum nvdimm_passphrase_type ptype)
@@ -360,16 +363,10 @@ static int intel_security_overwrite(struct nvdimm *nvdimm,
* TODO: define a cross arch wbinvd equivalent when/if
* NVDIMM_FAMILY_INTEL command support arrives on another arch.
*/
-#ifdef CONFIG_X86
static void nvdimm_invalidate_cache(void)
{
wbinvd_on_all_cpus();
}
-#else
-static void nvdimm_invalidate_cache(void)
-{
- WARN_ON_ONCE("cache invalidation required after unlock\n");
-}
#endif
static const struct nvdimm_security_ops __intel_security_ops = {
--
2.20.1
