Message ID | 20240625170119.173595-1-biju.das.jz@bp.renesas.com (mailing list archive) |
---|---|
State | Accepted |
Commit | 0e53aa3464e9a0a82bd3b926ba5999a11569c9ba |
Headers | show |
Series | dmaengine: sh: rz-dmac: Fix lockdep assert warning | expand |
On Tue, Jun 25, 2024 at 7:01 PM Biju Das <biju.das.jz@bp.renesas.com> wrote: > 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> Gr{oetje,eeting}s, Geert
On Tue, 25 Jun 2024 18:01:16 +0100, Biju Das wrote: > 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 > > > [...] Applied, thanks! [1/1] dmaengine: sh: rz-dmac: Fix lockdep assert warning commit: 0e53aa3464e9a0a82bd3b926ba5999a11569c9ba Best regards,
diff --git a/drivers/dma/sh/rz-dmac.c b/drivers/dma/sh/rz-dmac.c index 1f1e86ba5c66..65a27c5a7bce 100644 --- a/drivers/dma/sh/rz-dmac.c +++ b/drivers/dma/sh/rz-dmac.c @@ -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;
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> --- drivers/dma/sh/rz-dmac.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)