diff options
Diffstat (limited to 'target/linux/brcm2708/patches-4.19/950-0667-staging-vchiq-Use-the-old-dma-controller-for-OF-conf.patch')
-rw-r--r-- | target/linux/brcm2708/patches-4.19/950-0667-staging-vchiq-Use-the-old-dma-controller-for-OF-conf.patch | 51 |
1 files changed, 0 insertions, 51 deletions
diff --git a/target/linux/brcm2708/patches-4.19/950-0667-staging-vchiq-Use-the-old-dma-controller-for-OF-conf.patch b/target/linux/brcm2708/patches-4.19/950-0667-staging-vchiq-Use-the-old-dma-controller-for-OF-conf.patch deleted file mode 100644 index 19d8d33057..0000000000 --- a/target/linux/brcm2708/patches-4.19/950-0667-staging-vchiq-Use-the-old-dma-controller-for-OF-conf.patch +++ /dev/null @@ -1,51 +0,0 @@ -From 9d6d168d99226d7f31cb1ba56ada37913ebd690a Mon Sep 17 00:00:00 2001 -From: Dave Stevenson <dave.stevenson@raspberrypi.org> -Date: Tue, 18 Jun 2019 12:15:50 +0100 -Subject: [PATCH 667/703] staging: vchiq: Use the old dma controller for OF - config on platform devices - -vchiq on Pi4 is no longer under the soc node, therefore it -doesn't get the dma-ranges for the VPU. - -Switch to using the configuration of the old dma controller as -that will set the dma-ranges correctly. - -Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.org> ---- - .../interface/vchiq_arm/vchiq_arm.c | 17 ++++++++++++++--- - 1 file changed, 14 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 -@@ -3599,6 +3599,7 @@ vchiq_register_child(struct platform_dev - { - struct platform_device_info pdevinfo; - struct platform_device *new_dev; -+ struct device_node *np; - - memset(&pdevinfo, 0, sizeof(pdevinfo)); - -@@ -3612,10 +3613,20 @@ vchiq_register_child(struct platform_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. -+ * We want the dma-ranges etc to be copied from a device with the -+ * correct dma-ranges for the VPU. -+ * VCHIQ on Pi4 is now under scb which doesn't get those dma-ranges. -+ * Take the "dma" node as going to be suitable as it sees the world -+ * through the same eyes as the VPU. - */ -- of_dma_configure(&new_dev->dev, pdev->dev.of_node, true); -+ np = of_find_node_by_path("dma"); -+ if (!np) -+ np = pdev->dev.of_node; -+ -+ of_dma_configure(&new_dev->dev, np, true); -+ -+ if (np != pdev->dev.of_node) -+ of_node_put(np); - - return new_dev; - } |