linux-kernel - [PATCH] drm/msm: dsi: fix compile errors when CONFIG

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Date:	Wed, 20 May 2015 15:59:31 -0700
From:	Brian Norris <computersforpeace@...il.com>
To:	David Airlie <airlied@...ux.ie>
Cc:	<linux-kernel@...r.kernel.org>,
	Brian Norris <computersforpeace@...il.com>,
	Rob Clark <robdclark@...il.com>, Hai Li <hali@...eaurora.org>,
	dri-devel@...ts.freedesktop.org
Subject: [PATCH] drm/msm: dsi: fix compile errors when CONFIG_GPIOLIB=n

I'm not sure where, exactly, but somewhere in here we must be relying on
an implicit include.

drivers/gpu/drm/msm/dsi/dsi_host.c: In function ‘dsi_host_init_panel_gpios’:
drivers/gpu/drm/msm/dsi/dsi_host.c:1356:2: error: implicit declaration of function ‘devm_gpiod_get’ [-Werror=implicit-function-declaration]
  msm_host->disp_en_gpio = devm_gpiod_get(panel_device,
  ^
drivers/gpu/drm/msm/dsi/dsi_host.c:1356:25: warning: assignment makes pointer from integer without a cast [enabled by default]
  msm_host->disp_en_gpio = devm_gpiod_get(panel_device,
                         ^
drivers/gpu/drm/msm/dsi/dsi_host.c:1364:3: error: implicit declaration of function ‘gpiod_direction_output’ [-Werror=implicit-function-declaration]
   ret = gpiod_direction_output(msm_host->disp_en_gpio, 0);
   ^
drivers/gpu/drm/msm/dsi/dsi_host.c:1371:20: warning: assignment makes pointer from integer without a cast [enabled by default]
  msm_host->te_gpio = devm_gpiod_get(panel_device, "disp-te");
                    ^
drivers/gpu/drm/msm/dsi/dsi_host.c:1378:3: error: implicit declaration of function ‘gpiod_direction_input’ [-Werror=implicit-function-declaration]
   ret = gpiod_direction_input(msm_host->te_gpio);
   ^
drivers/gpu/drm/msm/dsi/dsi_host.c: In function ‘msm_dsi_host_power_on’:
drivers/gpu/drm/msm/dsi/dsi_host.c:1918:3: error: implicit declaration of function ‘gpiod_set_value’ [-Werror=implicit-function-declaration]
   gpiod_set_value(msm_host->disp_en_gpio, 1);
   ^

Signed-off-by: Brian Norris <computersforpeace@...il.com>
Cc: David Airlie <airlied@...ux.ie>
Cc: Rob Clark <robdclark@...il.com>
Cc: Hai Li <hali@...eaurora.org>
Cc: dri-devel@...ts.freedesktop.org
---
 drivers/gpu/drm/msm/dsi/dsi_host.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/gpu/drm/msm/dsi/dsi_host.c b/drivers/gpu/drm/msm/dsi/dsi_host.c
index 956b22492c9a..98aae759f2fd 100644
--- a/drivers/gpu/drm/msm/dsi/dsi_host.c
+++ b/drivers/gpu/drm/msm/dsi/dsi_host.c
@@ -15,6 +15,7 @@
 #include <linux/delay.h>
 #include <linux/err.h>
 #include <linux/gpio.h>
+#include <linux/gpio/consumer.h>
 #include <linux/interrupt.h>
 #include <linux/of_device.h>
 #include <linux/of_gpio.h>
-- 
1.9.1

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