From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1759830AbcHaJbO (ORCPT ); Wed, 31 Aug 2016 05:31:14 -0400 Received: from mail-pf0-f174.google.com ([209.85.192.174]:34852 "EHLO mail-pf0-f174.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1759704AbcHaJbM (ORCPT ); Wed, 31 Aug 2016 05:31:12 -0400 From: Baoyou Xie To: lgirdwood@gmail.com, broonie@kernel.org Cc: linux-kernel@vger.kernel.org, arnd@arndb.de, baoyou.xie@linaro.org, xie.baoyou@zte.com.cn Subject: [PATCH] regulator: hi6421: mark hi6421_regulator_ldo_get_optimum_mode() static Date: Wed, 31 Aug 2016 17:30:31 +0800 Message-Id: <1472635831-20290-1-git-send-email-baoyou.xie@linaro.org> X-Mailer: git-send-email 2.7.4 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org We get 1 warning when building kernel with W=1: drivers/regulator/hi6421-regulator.c:480:14: warning: no previous prototype for 'hi6421_regulator_ldo_get_optimum_mode' [-Wmissing-prototypes] In fact, this function is only used in the file in which it is declared and don't need a declaration, but can be made static. So this patch marks it 'static'. Signed-off-by: Baoyou Xie --- drivers/regulator/hi6421-regulator.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/regulator/hi6421-regulator.c b/drivers/regulator/hi6421-regulator.c index 42dc5fb..62c5f54 100644 --- a/drivers/regulator/hi6421-regulator.c +++ b/drivers/regulator/hi6421-regulator.c @@ -477,7 +477,8 @@ static int hi6421_regulator_buck_set_mode(struct regulator_dev *rdev, return 0; } -unsigned int hi6421_regulator_ldo_get_optimum_mode(struct regulator_dev *rdev, +static unsigned int +hi6421_regulator_ldo_get_optimum_mode(struct regulator_dev *rdev, int input_uV, int output_uV, int load_uA) { struct hi6421_regulator_info *info = rdev_get_drvdata(rdev); -- 2.7.4