From: Tudor Ambarus Date: Wed, 15 Dec 2021 11:01:05 +0000 (+0200) Subject: dmaengine: at_xdmac: Start transfer for cyclic channels in issue_pending X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=da1875fd4c255a7b3313b2f9cc3befd33cb84a3f;p=linux.git dmaengine: at_xdmac: Start transfer for cyclic channels in issue_pending commit e6af9b05bec63cd4d1de2a33968cd0be2a91282a upstream. Cyclic channels must too call issue_pending in order to start a transfer. Start the transfer in issue_pending regardless of the type of channel. This wrongly worked before, because in the past the transfer was started at tx_submit level when only a desc in the transfer list. Fixes: e1f7c9eee707 ("dmaengine: at_xdmac: creation of the atmel eXtended DMA Controller driver") Signed-off-by: Tudor Ambarus Link: https://lore.kernel.org/r/20211215110115.191749-3-tudor.ambarus@microchip.com Signed-off-by: Vinod Koul Signed-off-by: Greg Kroah-Hartman --- diff --git a/drivers/dma/at_xdmac.c b/drivers/dma/at_xdmac.c index 9a62029e7aa25..0c9a97e83331f 100644 --- a/drivers/dma/at_xdmac.c +++ b/drivers/dma/at_xdmac.c @@ -1778,11 +1778,9 @@ static void at_xdmac_issue_pending(struct dma_chan *chan) dev_dbg(chan2dev(&atchan->chan), "%s\n", __func__); - if (!at_xdmac_chan_is_cyclic(atchan)) { - spin_lock_irqsave(&atchan->lock, flags); - at_xdmac_advance_work(atchan); - spin_unlock_irqrestore(&atchan->lock, flags); - } + spin_lock_irqsave(&atchan->lock, flags); + at_xdmac_advance_work(atchan); + spin_unlock_irqrestore(&atchan->lock, flags); return; }