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nfit: Mark some functions as __maybe_unused

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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.

Mark these functions as __maybe_unused because they are only used when
CONFIG_X86 is set.

Fixes: 4c6926a23b ("acpi/nfit, libnvdimm: Add unlock of nvdimm support for Intel DIMMs")
Suggested-by: Dan Williams <dan.j.williams@intel.com>
Signed-off-by: Nathan Chancellor <natechancellor@gmail.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
This commit is contained in:
Nathan Chancellor 2019-01-08 22:00:37 -07:00 committed by Dan Williams
parent 8a7f02f67c
commit ccb7f15a8a
1 changed files with 4 additions and 4 deletions
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8
drivers/acpi/nfit/intel.c
View File

@ -146,7 +146,7 @@ static int intel_security_change_key(struct nvdimm *nvdimm,
static void nvdimm_invalidate_cache(void);
static int intel_security_unlock(struct nvdimm *nvdimm,
static int __maybe_unused intel_security_unlock(struct nvdimm *nvdimm,
const struct nvdimm_key_data *key_data)
{
struct nfit_mem *nfit_mem = nvdimm_provider_data(nvdimm);
@ -227,7 +227,7 @@ static int intel_security_disable(struct nvdimm *nvdimm,
return 0;
}
static int intel_security_erase(struct nvdimm *nvdimm,
static int __maybe_unused intel_security_erase(struct nvdimm *nvdimm,
const struct nvdimm_key_data *key,
enum nvdimm_passphrase_type ptype)
{
@ -276,7 +276,7 @@ static int intel_security_erase(struct nvdimm *nvdimm,
return 0;
}
static int intel_security_query_overwrite(struct nvdimm *nvdimm)
static int __maybe_unused intel_security_query_overwrite(struct nvdimm *nvdimm)
{
int rc;
struct nfit_mem *nfit_mem = nvdimm_provider_data(nvdimm);
@ -313,7 +313,7 @@ static int intel_security_query_overwrite(struct nvdimm *nvdimm)
return 0;
}
static int intel_security_overwrite(struct nvdimm *nvdimm,
static int __maybe_unused intel_security_overwrite(struct nvdimm *nvdimm,
const struct nvdimm_key_data *nkey)
{
int rc;