From mboxrd@z Thu Jan 1 00:00:00 1970 From: stefan.wahren@i2se.com (Stefan Wahren) Date: Thu, 25 Oct 2018 17:29:29 +0200 Subject: [PATCH RFC 05/11] staging: vchiq_arm: Fix camera device registration In-Reply-To: <1540481375-15952-1-git-send-email-stefan.wahren@i2se.com> References: <1540481375-15952-1-git-send-email-stefan.wahren@i2se.com> Message-ID: <1540481375-15952-6-git-send-email-stefan.wahren@i2se.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org 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 --- .../vc04_services/interface/vchiq_arm/vchiq_arm.c | 20 +++++++++++++++++--- 1 file changed, 17 insertions(+), 3 deletions(-) diff --git a/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.c b/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.c index d7d7c2f0..778a252 100644 --- 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 #include #include +#include #include #include "vchiq_core.h" @@ -3588,6 +3589,21 @@ static const struct of_device_id vchiq_of_match[] = { }; MODULE_DEVICE_TABLE(of, vchiq_of_match); +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; @@ -3653,9 +3669,7 @@ static int vchiq_probe(struct platform_device *pdev) 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; -- 2.7.4