linux-kernel - [PATCH -next v3] drm/bridge: lt8912b: Add header file <linux/gpio/consumer.h>

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Date:   Thu, 8 Apr 2021 17:38:22 +0800
From:   Zhang Jianhua <zhangjianhua18@...wei.com>
To:     <adrien.grassein@...il.com>, <a.hajda@...sung.com>,
        <narmstrong@...libre.com>, <robert.foss@...aro.org>,
        <Laurent.pinchart@...asonboard.com>, <jonas@...boo.se>,
        <jernej.skrabec@...l.net>, <airlied@...ux.ie>, <daniel@...ll.ch>
CC:     <dri-devel@...ts.freedesktop.org>, <linux-kernel@...r.kernel.org>,
        <johnny.chenyi@...wei.com>, <heying24@...wei.com>,
        <zhangjianhua18@...wei.com>
Subject: [PATCH -next v3] drm/bridge: lt8912b: Add header file <linux/gpio/consumer.h>

If CONFIG_DRM_LONTIUM_LT8912B=m, the following errors will be seen while
compiling lontium-lt8912b.c

drivers/gpu/drm/bridge/lontium-lt8912b.c: In function
‘lt8912_hard_power_on’:
drivers/gpu/drm/bridge/lontium-lt8912b.c:252:2: error: implicit
declaration of function ‘gpiod_set_value_cansleep’; did you mean
‘gpio_set_value_cansleep’? [-Werror=implicit-function-declaration]
  gpiod_set_value_cansleep(lt->gp_reset, 0);
  ^~~~~~~~~~~~~~~~~~~~~~~~
  gpio_set_value_cansleep
drivers/gpu/drm/bridge/lontium-lt8912b.c: In function ‘lt8912_parse_dt’:
drivers/gpu/drm/bridge/lontium-lt8912b.c:628:13: error: implicit
declaration of function ‘devm_gpiod_get_optional’; did you mean
‘devm_gpio_request_one’? [-Werror=implicit-function-declaration]
  gp_reset = devm_gpiod_get_optional(dev, "reset", GPIOD_OUT_HIGH);
             ^~~~~~~~~~~~~~~~~~~~~~~
             devm_gpio_request_one
drivers/gpu/drm/bridge/lontium-lt8912b.c:628:51: error: ‘GPIOD_OUT_HIGH’
undeclared (first use in this function); did you mean ‘GPIOF_INIT_HIGH’?
  gp_reset = devm_gpiod_get_optional(dev, "reset", GPIOD_OUT_HIGH);
                                                   ^~~~~~~~~~~~~~
                                                   GPIOF_INIT_HIGH

Signed-off-by: Zhang Jianhua <zhangjianhua18@...wei.com>
Reviewed-by: Robert Foss <robert.foss@...aro.org>
---
v2:
- add header file <linux/gpio/consumer.h> for lontium-lt8912b.c instead
  of add config dependence for CONFIG_DRM_LONTIUM_LT8912B
v3:
- change the #include in alphabetical order
---
 drivers/gpu/drm/bridge/lontium-lt8912b.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/gpu/drm/bridge/lontium-lt8912b.c b/drivers/gpu/drm/bridge/lontium-lt8912b.c
index 61491615bad0..4f693123985b 100644
--- a/drivers/gpu/drm/bridge/lontium-lt8912b.c
+++ b/drivers/gpu/drm/bridge/lontium-lt8912b.c
@@ -5,6 +5,7 @@
 
 #include <linux/device.h>
 #include <linux/delay.h>
+#include <linux/gpio/consumer.h>
 #include <linux/i2c.h>
 #include <linux/gpio.h>
 #include <linux/of_gpio.h>
-- 
2.17.1