diff options
Diffstat (limited to 'target/linux/layerscape/patches-5.4/701-net-0147-bus-fsl-mc-Allocate-mc-portal-from-root-dprc-contain.patch')
-rw-r--r-- | target/linux/layerscape/patches-5.4/701-net-0147-bus-fsl-mc-Allocate-mc-portal-from-root-dprc-contain.patch | 45 |
1 files changed, 0 insertions, 45 deletions
diff --git a/target/linux/layerscape/patches-5.4/701-net-0147-bus-fsl-mc-Allocate-mc-portal-from-root-dprc-contain.patch b/target/linux/layerscape/patches-5.4/701-net-0147-bus-fsl-mc-Allocate-mc-portal-from-root-dprc-contain.patch deleted file mode 100644 index 8fd2bb2738..0000000000 --- a/target/linux/layerscape/patches-5.4/701-net-0147-bus-fsl-mc-Allocate-mc-portal-from-root-dprc-contain.patch +++ /dev/null @@ -1,45 +0,0 @@ -From 703972946a42cf1f83bf50cf389d618d61b69500 Mon Sep 17 00:00:00 2001 -From: Bharat Bhushan <Bharat.Bhushan@nxp.com> -Date: Mon, 10 Dec 2018 14:42:51 +0530 -Subject: [PATCH] bus: fsl-mc: Allocate mc-portal from root dprc container - -Root dprc container have allocate-able mc-portals which -can be allocated by kernel drivers. - -As per current design mc-portal is allocated from parent -dprc container if requesting device is not root-dprc. -This works fine if the requesting device is child of -root dprc container, because their parent is root-dprc -container. But if request device is grandchild of root -dprc container then it tries to allocate from it's parent -root dprc-container and it fails. - -Signed-off-by: Ioana Ciornei <ioana.ciornei@nxp.com> -Signed-off-by: Bharat Bhushan <Bharat.Bhushan@nxp.com> ---- - drivers/bus/fsl-mc/mc-io.c | 10 ++++++---- - 1 file changed, 6 insertions(+), 4 deletions(-) - ---- a/drivers/bus/fsl-mc/mc-io.c -+++ b/drivers/bus/fsl-mc/mc-io.c -@@ -174,14 +174,16 @@ int __must_check fsl_mc_portal_allocate( - int error = -EINVAL; - struct fsl_mc_resource *resource = NULL; - struct fsl_mc_io *mc_io = NULL; -+ struct device *root_dprc_dev; - -- if (mc_dev->flags & FSL_MC_IS_DPRC) { -+ if (fsl_mc_is_root_dprc(&mc_dev->dev)) { - mc_bus_dev = mc_dev; - } else { -- if (!dev_is_fsl_mc(mc_dev->dev.parent)) -- return error; -+ fsl_mc_get_root_dprc(&mc_dev->dev, &root_dprc_dev); -+ if (WARN_ON(!root_dprc_dev)) -+ return -EINVAL; - -- mc_bus_dev = to_fsl_mc_device(mc_dev->dev.parent); -+ mc_bus_dev = to_fsl_mc_device(root_dprc_dev); - } - - mc_bus = to_fsl_mc_bus(mc_bus_dev); |