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ANDROID: dma-ops: Add restricted vendor hook

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Add a vendor hook to arch_setup_dma_ops to allow vendors to perform
any necessary post-actions on setting up DMA ops for a given device,
focusing mainly on enabling those to opt-in for the Cortex-A510
erratum 2454944.

Bug: 263236925

Change-Id: I6fd4d3a30829437fc113ec15ca2e5d060a38e60c
Signed-off-by: Beata Michalska <beata.michalska@arm.com>
This commit is contained in:
Beata Michalska
2022-12-20 20:29:23 +00:00
committed by Todd Kjos
parent 3c75a6fb7f
commit 9d2ec2e0b6
3 changed files with 25 additions and 0 deletions
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2
drivers/android/vendor_hooks.c
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@@ -42,6 +42,7 @@
#include <trace/hooks/power.h>
#include <trace/hooks/fault.h>
#include <trace/hooks/iommu.h>
#include <trace/hooks/dma_noalias.h>
#include <trace/hooks/thermal.h>
#include <trace/hooks/ufshcd.h>
#include <trace/hooks/block.h>
@@ -210,6 +211,7 @@ EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_die_kernel_fault);
EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_do_sea);
EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_do_mem_abort);
EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_do_sp_pc_abort);
EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_setup_dma_ops);
EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_iommu_setup_dma_ops);
EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_iommu_setup_dma_ops);
EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_iommu_alloc_iova);