mirror of https://lore.kernel.org/lkml/
 help / color / mirror / Atom feed
From: Nathan Chancellor <natechancellor@gmail.com>
To: Dan Williams <dan.j.williams@intel.com>,
	Ross Zwisler <zwisler@kernel.org>,
	Vishal Verma <vishal.l.verma@intel.com>,
	Dave Jiang <dave.jiang@intel.com>
Cc: "Rafael J. Wysocki" <rjw@rjwysocki.net>,
	Len Brown <lenb@kernel.org>,
	linux-nvdimm@lists.01.org, linux-acpi@vger.kernel.org,
	linux-kernel@vger.kernel.org,
	Nathan Chancellor <natechancellor@gmail.com>
Subject: [PATCH v2] nfit: Mark some functions as __maybe_unused
Date: Tue,  8 Jan 2019 22:00:37 -0700	[thread overview]
Message-ID: <20190109050036.17322-1-natechancellor@gmail.com> (raw)
In-Reply-To: <20190108045853.5471-1-natechancellor@gmail.com>

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: 4c6926a23b76 ("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>
---

v1 -> v2:

* Mark the functions as __maybe_unused rather than expanding the
  CONFIG_X86, as requested by Dan.

 drivers/acpi/nfit/intel.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/acpi/nfit/intel.c b/drivers/acpi/nfit/intel.c
index 850b2927b4e7..f70de71f79d6 100644
--- a/drivers/acpi/nfit/intel.c
+++ b/drivers/acpi/nfit/intel.c
@@ -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;
-- 
2.20.1


  parent reply	other threads:[~2019-01-09  5:02 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-01-08  4:58 [PATCH] nfit: Hide unused functions behind CONFIG_X86 Nathan Chancellor
2019-01-08  5:14 ` Dan Williams
2019-01-08  5:18   ` Nathan Chancellor
2019-01-09  5:00 ` Nathan Chancellor [this message]
2019-01-09  6:22   ` [PATCH v2] nfit: Mark some functions as __maybe_unused Dan Williams

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20190109050036.17322-1-natechancellor@gmail.com \
    --to=natechancellor@gmail.com \
    --cc=dan.j.williams@intel.com \
    --cc=dave.jiang@intel.com \
    --cc=lenb@kernel.org \
    --cc=linux-acpi@vger.kernel.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=linux-nvdimm@lists.01.org \
    --cc=rjw@rjwysocki.net \
    --cc=vishal.l.verma@intel.com \
    --cc=zwisler@kernel.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox

all inboxes | Powered by JetHome®