staging: vc04_services: bcm2835-camera: Drop include Makefile directive

Drop the include directive. They can break the build, when one only
wants to build a subdirectory. Replace with "../" for the includes,
in the bcm2835-camera files instead.

Suggested-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Umang Jain <umang.jain@ideasonboard.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Link: https://lore.kernel.org/r/20230120201104.606876-4-umang.jain@ideasonboard.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/vc04_services/bcm2835-camera/Makefile

@@ -4,7 +4,3 @@ bcm2835-v4l2-$(CONFIG_VIDEO_BCM2835) := \
 	controls.o
 
 obj-$(CONFIG_VIDEO_BCM2835) += bcm2835-v4l2.o
-
-ccflags-y += \
-	-I $(srctree)/$(src)/.. \
-	-I $(srctree)/$(src)/../vchiq-mmal/

drivers/staging/vc04_services/bcm2835-camera/bcm2835-camera.c

@@ -26,11 +26,11 @@
 #include <linux/delay.h>
 #include <linux/platform_device.h>
 
-#include "mmal-common.h"
-#include "mmal-encodings.h"
-#include "mmal-vchiq.h"
-#include "mmal-msg.h"
-#include "mmal-parameters.h"
+#include "../vchiq-mmal/mmal-common.h"
+#include "../vchiq-mmal/mmal-encodings.h"
+#include "../vchiq-mmal/mmal-vchiq.h"
+#include "../vchiq-mmal/mmal-msg.h"
+#include "../vchiq-mmal/mmal-parameters.h"
 #include "bcm2835-camera.h"
 
 #define MIN_WIDTH 32

drivers/staging/vc04_services/bcm2835-camera/controls.c

@@ -23,9 +23,9 @@
 #include <media/v4l2-event.h>
 #include <media/v4l2-common.h>
 
-#include "mmal-common.h"
-#include "mmal-vchiq.h"
-#include "mmal-parameters.h"
+#include "../vchiq-mmal/mmal-common.h"
+#include "../vchiq-mmal/mmal-vchiq.h"
+#include "../vchiq-mmal/mmal-parameters.h"
 #include "bcm2835-camera.h"
 
 /* The supported V4L2_CID_AUTO_EXPOSURE_BIAS values are from -4.0 to +4.0.