linux-kernel - [PATCH] [v2] pinctrl: intel: mark intel_pin_to_gpio __maybe

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Date:   Fri,  6 Sep 2019 20:51:59 +0200
From:   Arnd Bergmann <arnd@...db.de>
To:     Mika Westerberg <mika.westerberg@...ux.intel.com>,
        Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        Linus Walleij <linus.walleij@...aro.org>
Cc:     Arnd Bergmann <arnd@...db.de>, Chris Chiu <chiu@...lessm.com>,
        Kai-Heng Feng <kai.heng.feng@...onical.com>,
        linux-gpio@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH] [v2] pinctrl: intel: mark intel_pin_to_gpio __maybe_unused

The intel_pin_to_gpio() function is only called by the
PM support functions and causes a warning when those are disabled:

drivers/pinctrl/intel/pinctrl-intel.c:841:12: error: unused function 'intel_pin_to_gpio' [-Werror,-Wunused-function]

Mark it __maybe_unused to suppress the warning.

Suggested-by: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
Signed-off-by: Arnd Bergmann <arnd@...db.de>
---
v2: use __maybe_unused instead of moving the code
---
 drivers/pinctrl/intel/pinctrl-intel.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/pinctrl/intel/pinctrl-intel.c b/drivers/pinctrl/intel/pinctrl-intel.c
index d66fe2b4221b..1f13bcd0e4e1 100644
--- a/drivers/pinctrl/intel/pinctrl-intel.c
+++ b/drivers/pinctrl/intel/pinctrl-intel.c
@@ -838,7 +838,7 @@ static int intel_gpio_to_pin(struct intel_pinctrl *pctrl, unsigned int offset,
  *
  * Translate the pin number of pinctrl to GPIO offset
  */
-static int intel_pin_to_gpio(struct intel_pinctrl *pctrl, int pin)
+static __maybe_unused int intel_pin_to_gpio(struct intel_pinctrl *pctrl, int pin)
 {
 	const struct intel_community *community;
 	const struct intel_padgroup *padgrp;
-- 
2.20.0