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dmaengine: sh: rz-dmac: Fix lockdep assert warning

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Fix the below lockdep assert warning by holding vc.lock for
vchan_get_all_descriptors().

WARNING: virt-dma.h:188 rz_dmac_terminate_all
pc : rz_dmac_terminate_all

Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/20240625170119.173595-1-biju.das.jz@bp.renesas.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
This commit is contained in:
Biju Das 2024-06-25 18:01:16 +01:00 committed by Vinod Koul
parent 73115d8068
commit 0e53aa3464
1 changed files with 1 additions and 1 deletions
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2
drivers/dma/sh/rz-dmac.c
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@ -540,8 +540,8 @@ static int rz_dmac_terminate_all(struct dma_chan *chan)
spin_lock_irqsave(&channel->vc.lock, flags);
list_splice_tail_init(&channel->ld_active, &channel->ld_free);
list_splice_tail_init(&channel->ld_queue, &channel->ld_free);
spin_unlock_irqrestore(&channel->vc.lock, flags);
vchan_get_all_descriptors(&channel->vc, &head);
spin_unlock_irqrestore(&channel->vc.lock, flags);
vchan_dma_desc_free_list(&channel->vc, &head);
return 0;