linux-kernel - [PATCH] extcon: Fix build issues in ptn5150

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Date:   Mon, 28 Jan 2019 10:08:12 +0530
From:   Vijai Kumar K <vijaikumar.kanagarajan@...il.com>
To:     sfr@...b.auug.org.au, linux-next@...r.kernel.org
Cc:     rdunlap@...radead.org, linux-kernel@...r.kernel.org,
        Vijai Kumar K <vijaikumar.kanagarajan@...il.com>
Subject: [PATCH] extcon: Fix build issues in ptn5150

- extcon-ptn5150 driver uses gpio libraries
- Add GPIOLIB in depends section of Kconfig

Error:
-----
>   CC      drivers/extcon/extcon-ptn5150.o
> ../drivers/extcon/extcon-ptn5150.c: In function ‘ptn5150_irq_work’:
> ../drivers/extcon/extcon-ptn5150.c:130:5: error: implicit declaration of function ‘gpiod_set_value’ [-Werror=implicit-function-declaration]
>      gpiod_set_value(info->vbus_gpiod, 0);
>      ^
> ../drivers/extcon/extcon-ptn5150.c: In function ‘ptn5150_i2c_probe’:
> ../drivers/extcon/extcon-ptn5150.c:242:2: error: implicit declaration of function ‘devm_gpiod_get’ [-Werror=implicit-function-declaration]
>   info->int_gpiod = devm_gpiod_get(&i2c->dev, "int", GPIOD_IN);
>   ^
> ../drivers/extcon/extcon-ptn5150.c:242:53: error: ‘GPIOD_IN’ undeclared (first use in this function)
>   info->int_gpiod = devm_gpiod_get(&i2c->dev, "int", GPIOD_IN);
>                                                      ^
> ../drivers/extcon/extcon-ptn5150.c:242:53: note: each undeclared identifier is reported only once for each function it appears in
> ../drivers/extcon/extcon-ptn5150.c:252:2: error: implicit declaration of function ‘gpiod_direction_output’ [-Werror=implicit-function-declaration]
>   ret = gpiod_direction_output(info->vbus_gpiod, 0);
>   ^
> ../drivers/extcon/extcon-ptn5150.c:271:3: error: implicit declaration of function ‘gpiod_to_irq’ [-Werror=implicit-function-declaration]
>    info->irq = gpiod_to_irq(info->int_gpiod);
-----

Signed-off-by: Vijai Kumar K <vijaikumar.kanagarajan@...il.com>
---
 drivers/extcon/Kconfig | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/extcon/Kconfig b/drivers/extcon/Kconfig
index b9cc027..330dd8b 100644
--- a/drivers/extcon/Kconfig
+++ b/drivers/extcon/Kconfig
@@ -116,7 +116,7 @@ config EXTCON_PALMAS
 
 config EXTCON_PTN5150
 	tristate "NXP PTN5150 CC LOGIC USB EXTCON support"
-	depends on I2C
+	depends on I2C && GPIOLIB
 	select REGMAP_I2C
 	help
 	  Say Y here to enable support for USB peripheral and USB host
-- 
2.7.4