X-Git-Url: http://git.openwrt.org/?a=blobdiff_plain;f=target%2Flinux%2Fbrcm2708%2Fpatches-4.19%2F950-0210-staging-vchiq_arm-Fix-camera-device-registration.patch;fp=target%2Flinux%2Fbrcm2708%2Fpatches-4.19%2F950-0210-staging-vchiq_arm-Fix-camera-device-registration.patch;h=9cf02e9ab9b75d5dad605daf15c555ac25bc5870;hb=67dcc43f3a22dc3a7ac07a7065971b426feeb043;hp=0000000000000000000000000000000000000000;hpb=47a93a810f78adce5a130d287f82b28e9b54313c;p=openwrt%2Fopenwrt.git

diff --git a/target/linux/brcm2708/patches-4.19/950-0210-staging-vchiq_arm-Fix-camera-device-registration.patch b/target/linux/brcm2708/patches-4.19/950-0210-staging-vchiq_arm-Fix-camera-device-registration.patch
new file mode 100644
index 0000000000..9cf02e9ab9
--- /dev/null
+++ b/target/linux/brcm2708/patches-4.19/950-0210-staging-vchiq_arm-Fix-camera-device-registration.patch
@@ -0,0 +1,56 @@
+From 58ed78a70c3c3ef1ae99aefdd2c28ac81f66df85 Mon Sep 17 00:00:00 2001
+From: Stefan Wahren <stefan.wahren@i2se.com>
+Date: Mon, 22 Oct 2018 15:16:51 +0200
+Subject: [PATCH] staging: vchiq_arm: Fix camera device registration
+
+Since the camera driver isn't probed via DT, we need to properly setup DMA.
+
+Fixes: 37b7b3087a2f ("staging/vc04_services: Register a platform device for the camera driver.")
+Signed-off-by: Stefan Wahren <stefan.wahren@i2se.com>
+---
+ .../interface/vchiq_arm/vchiq_arm.c           | 20 ++++++++++++++++---
+ 1 file changed, 17 insertions(+), 3 deletions(-)
+
+--- a/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.c
++++ b/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.c
+@@ -49,6 +49,7 @@
+ #include <linux/of.h>
+ #include <linux/platform_device.h>
+ #include <linux/compat.h>
++#include <linux/dma-mapping.h>
+ #include <soc/bcm2835/raspberrypi-firmware.h>
+ 
+ #include "vchiq_core.h"
+@@ -3578,6 +3579,21 @@ void vchiq_platform_conn_state_changed(V
+ 	}
+ }
+ 
++static struct platform_device *
++vchiq_register_child(struct platform_device *pdev, const char *name)
++{
++	struct platform_device_info pdevinfo;
++
++	memset(&pdevinfo, 0, sizeof(pdevinfo));
++
++	pdevinfo.parent = &pdev->dev;
++	pdevinfo.name = name;
++	pdevinfo.id = PLATFORM_DEVID_NONE;
++	pdevinfo.dma_mask = DMA_BIT_MASK(32);
++
++	return platform_device_register_full(&pdevinfo);
++}
++
+ static int vchiq_probe(struct platform_device *pdev)
+ {
+ 	struct device_node *fw_node;
+@@ -3637,9 +3653,7 @@ static int vchiq_probe(struct platform_d
+ 		VCHIQ_VERSION, VCHIQ_VERSION_MIN,
+ 		MAJOR(vchiq_devid), MINOR(vchiq_devid));
+ 
+-	bcm2835_camera = platform_device_register_data(&pdev->dev,
+-						       "bcm2835-camera", -1,
+-						       NULL, 0);
++	bcm2835_camera = vchiq_register_child(pdev, "bcm2835-camera");
+ 
+ 	return 0;
+