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author | Álvaro Fernández Rojas <noltari@gmail.com> | 2021-08-21 10:54:34 +0200 |
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committer | Álvaro Fernández Rojas <noltari@gmail.com> | 2021-08-21 19:07:07 +0200 |
commit | 8299d1f057439f94c6a4412e2e5c5082b82a30c9 (patch) | |
tree | 1bf678d61f11f7394493be464c7876e496f7faed /target/linux/bcm27xx/patches-5.10/950-0181-staging-vchiq-Use-the-old-dma-controller-for-OF-conf.patch | |
parent | 33b6885975ce376ff075362b7f0890326043111b (diff) | |
download | upstream-8299d1f057439f94c6a4412e2e5c5082b82a30c9.tar.gz upstream-8299d1f057439f94c6a4412e2e5c5082b82a30c9.tar.bz2 upstream-8299d1f057439f94c6a4412e2e5c5082b82a30c9.zip |
bcm27xx: add kernel 5.10 support
Rebased RPi foundation patches on linux 5.10.59, removed applied and reverted
patches, wireless patches and defconfig patches.
bcm2708: boot tested on RPi B+ v1.2
bcm2709: boot tested on RPi 4B v1.1 4G
bcm2711: boot tested on RPi 4B v1.1 4G
Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
Diffstat (limited to 'target/linux/bcm27xx/patches-5.10/950-0181-staging-vchiq-Use-the-old-dma-controller-for-OF-conf.patch')
-rw-r--r-- | target/linux/bcm27xx/patches-5.10/950-0181-staging-vchiq-Use-the-old-dma-controller-for-OF-conf.patch | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/target/linux/bcm27xx/patches-5.10/950-0181-staging-vchiq-Use-the-old-dma-controller-for-OF-conf.patch b/target/linux/bcm27xx/patches-5.10/950-0181-staging-vchiq-Use-the-old-dma-controller-for-OF-conf.patch new file mode 100644 index 0000000000..0f07dd8d25 --- /dev/null +++ b/target/linux/bcm27xx/patches-5.10/950-0181-staging-vchiq-Use-the-old-dma-controller-for-OF-conf.patch @@ -0,0 +1,51 @@ +From d7dbf1141d107ba6df15b04498e5fb88b6b61912 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] 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 +@@ -2696,6 +2696,7 @@ vchiq_register_child(struct platform_dev + { + struct platform_device_info pdevinfo; + struct platform_device *child; ++ struct device_node *np; + + memset(&pdevinfo, 0, sizeof(pdevinfo)); + +@@ -2711,10 +2712,20 @@ vchiq_register_child(struct platform_dev + } + + /* +- * 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(&child->dev, np, true); ++ ++ if (np != pdev->dev.of_node) ++ of_node_put(np); + + return child; + } |