diff options
Diffstat (limited to 'target/linux/brcm2708/patches-4.19/950-0341-staging-vchiq_arm-Set-up-dma-ranges-on-child-devices.patch')
| -rw-r--r-- | target/linux/brcm2708/patches-4.19/950-0341-staging-vchiq_arm-Set-up-dma-ranges-on-child-devices.patch | 47 |
1 files changed, 0 insertions, 47 deletions
diff --git a/target/linux/brcm2708/patches-4.19/950-0341-staging-vchiq_arm-Set-up-dma-ranges-on-child-devices.patch b/target/linux/brcm2708/patches-4.19/950-0341-staging-vchiq_arm-Set-up-dma-ranges-on-child-devices.patch deleted file mode 100644 index c73141de27..0000000000 --- a/target/linux/brcm2708/patches-4.19/950-0341-staging-vchiq_arm-Set-up-dma-ranges-on-child-devices.patch +++ /dev/null @@ -1,47 +0,0 @@ -From a42314a829d8a17ccfd533c90339348b09e85de8 Mon Sep 17 00:00:00 2001 -From: Dave Stevenson <dave.stevenson@raspberrypi.org> -Date: Tue, 29 Jan 2019 16:13:25 +0000 -Subject: [PATCH 341/725] staging: vchiq_arm: Set up dma ranges on child - devices - -The VCHIQ driver now loads the audio, camera, codec, and vc-sm -drivers as platform drivers. However they were not being given -the correct DMA configuration. - -Call of_dma_configure with the parent (VCHIQ) parameters to be -inherited by the child. - -Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.org> ---- - .../vc04_services/interface/vchiq_arm/vchiq_arm.c | 13 ++++++++++++- - 1 file changed, 12 insertions(+), 1 deletion(-) - ---- a/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.c -+++ b/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.c -@@ -3585,6 +3585,7 @@ static struct platform_device * - vchiq_register_child(struct platform_device *pdev, const char *name) - { - struct platform_device_info pdevinfo; -+ struct platform_device *new_dev; - - memset(&pdevinfo, 0, sizeof(pdevinfo)); - -@@ -3593,7 +3594,17 @@ vchiq_register_child(struct platform_dev - pdevinfo.id = PLATFORM_DEVID_NONE; - pdevinfo.dma_mask = DMA_BIT_MASK(32); - -- return platform_device_register_full(&pdevinfo); -+ new_dev = platform_device_register_full(&pdevinfo); -+ if (!new_dev) -+ return NULL; -+ -+ /* -+ * We want the dma-ranges etc to be copied from the parent VCHIQ device -+ * to be passed on to the children too. -+ */ -+ of_dma_configure(&new_dev->dev, pdev->dev.of_node, true); -+ -+ return new_dev; - } - - static int vchiq_probe(struct platform_device *pdev) |