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| author | Tudor Ambarus <tudor.ambarus@microchip.com> | 2021-12-15 13:01:06 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2022-01-27 09:19:54 +0100 |
| commit | d56e1fcb7b5bf65373570579069266777e87b203 (patch) | |
| tree | 438df18a1cbc57718adf8a1ec058d90740f6d964 | |
| parent | 7163076f252e9bbdfd1cef64f635d502554b0222 (diff) | |
| download | linux-stable-d56e1fcb7b5bf65373570579069266777e87b203.tar.gz linux-stable-d56e1fcb7b5bf65373570579069266777e87b203.tar.bz2 linux-stable-d56e1fcb7b5bf65373570579069266777e87b203.zip | |
dmaengine: at_xdmac: Print debug message after realeasing the lock
commit 5edc24ac876a928f36f407a0fcdb33b94a3a210f upstream.
It is desirable to do the prints without the lock held if possible, so
move the print after the lock is released.
Fixes: e1f7c9eee707 ("dmaengine: at_xdmac: creation of the atmel eXtended DMA Controller driver")
Signed-off-by: Tudor Ambarus <tudor.ambarus@microchip.com>
Link: https://lore.kernel.org/r/20211215110115.191749-4-tudor.ambarus@microchip.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -rw-r--r-- | drivers/dma/at_xdmac.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/dma/at_xdmac.c b/drivers/dma/at_xdmac.c index 5fe522021267..d8f27d386be8 100644 --- a/drivers/dma/at_xdmac.c +++ b/drivers/dma/at_xdmac.c @@ -424,10 +424,12 @@ static dma_cookie_t at_xdmac_tx_submit(struct dma_async_tx_descriptor *tx) spin_lock_irqsave(&atchan->lock, irqflags); cookie = dma_cookie_assign(tx); - dev_vdbg(chan2dev(tx->chan), "%s: atchan 0x%p, add desc 0x%p to xfers_list\n", - __func__, atchan, desc); list_add_tail(&desc->xfer_node, &atchan->xfers_list); spin_unlock_irqrestore(&atchan->lock, irqflags); + + dev_vdbg(chan2dev(tx->chan), "%s: atchan 0x%p, add desc 0x%p to xfers_list\n", + __func__, atchan, desc); + return cookie; } |