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pcie: EDMA: fix EDMA init condition.

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EDMA library needs to be initialized if there is change in EDMA
channel config or when cookie is NULL. Set the condition accordingly.

Bug 3622706
Bug 3877429

Change-Id: If919752cce08e203aa9d0b501f26f2e00b523575
Signed-off-by: Nagarjuna Kristam <nkristam@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvidia/+/2717246
(cherry picked from commit 7434fc757e6c4b23aeb91b73f8e2a62f080c6d24)
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nv-oot/+/2815926
Reviewed-by: Manikanta Maddireddy <mmaddireddy@nvidia.com>
Reviewed-by: Bitan Biswas <bbiswas@nvidia.com>
GVS: Gerrit_Virtual_Submit <buildbot_gerritrpt@nvidia.com>
This commit is contained in:
Nagarjuna Kristam
2022-05-24 11:48:21 +05:30
committed by mobile promotions
parent 2b9e2da317
commit b26885400f
1 changed files with 1 additions and 1 deletions
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2
include/linux/tegra-pcie-edma-test-common.h
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@@ -200,7 +200,7 @@ static int edmalib_common_test(struct edmalib_common *edma)
edma->tsz = (u64)edma->stress_count * (nents_per_ch) * (u64)edma->dma_size * 8UL;
if (!edma->cookie && (edma->prev_edma_ch != edma->edma_ch)) {
if (!edma->cookie || (edma->prev_edma_ch != edma->edma_ch)) {
dev_info(edma->fdev, "%s: re-init edma lib prev_ch(%x) != current chans(%x)\n",
__func__, edma->prev_edma_ch, edma->edma_ch);
edma->cookie = tegra_pcie_edma_initialize(&info);