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| author | Geert Uytterhoeven <geert+renesas@glider.be> | 2018-07-06 11:05:43 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2018-07-06 16:41:15 +0200 |
| commit | 6eefc68d1bbe28feb6cdfbd49648a713446bdc00 (patch) | |
| tree | f8add45a7ca634eb110e7e1f9b0354c540b2a57e /drivers/tty | |
| parent | serial: sh-sci: Stop TX DMA workqueue during port shutdown (diff) | |
| download | linux-6eefc68d1bbe28feb6cdfbd49648a713446bdc00.tar.xz linux-6eefc68d1bbe28feb6cdfbd49648a713446bdc00.zip | |
serial: sh-sci: Stop using deprecated dmaengine_terminate_all()
As of commit b36f09c3c441a6e5 ("dmaengine: Add transfer termination
synchronization support"), dmaengine_terminate_all() is deprecated.
Replace calls to dmaengine_terminate_all() in DMA release code by calls
to dmaengine_terminate_sync(), as the latter waits until all running
completion callbacks have finished.
Replace calls to dmaengine_terminate_all() in DMA failure paths by calls
to dmaengine_terminate_async(), as these are usually done in atomic
context.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/tty')
| -rw-r--r-- | drivers/tty/serial/sh-sci.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/drivers/tty/serial/sh-sci.c b/drivers/tty/serial/sh-sci.c index f3432cca3fdc..6eb65160e015 100644 --- a/drivers/tty/serial/sh-sci.c +++ b/drivers/tty/serial/sh-sci.c @@ -1220,7 +1220,7 @@ static void sci_rx_dma_release(struct sci_port *s) s->chan_rx_saved = s->chan_rx = NULL; s->cookie_rx[0] = s->cookie_rx[1] = -EINVAL; - dmaengine_terminate_all(chan); + dmaengine_terminate_sync(chan); dma_free_coherent(chan->device->dev, s->buf_len_rx * 2, s->rx_buf[0], sg_dma_address(&s->sg_rx[0])); dma_release_channel(chan); @@ -1296,7 +1296,7 @@ static void sci_tx_dma_release(struct sci_port *s) cancel_work_sync(&s->work_tx); s->chan_tx_saved = s->chan_tx = NULL; s->cookie_tx = -EINVAL; - dmaengine_terminate_all(chan); + dmaengine_terminate_sync(chan); dma_unmap_single(chan->device->dev, s->tx_dma_addr, UART_XMIT_SIZE, DMA_TO_DEVICE); dma_release_channel(chan); @@ -1334,7 +1334,7 @@ static void sci_submit_rx(struct sci_port *s) fail: if (i) - dmaengine_terminate_all(chan); + dmaengine_terminate_async(chan); for (i = 0; i < 2; i++) s->cookie_rx[i] = -EINVAL; s->active_rx = -EINVAL; @@ -1452,7 +1452,7 @@ static enum hrtimer_restart rx_timer_fn(struct hrtimer *t) } /* Handle incomplete DMA receive */ - dmaengine_terminate_all(s->chan_rx); + dmaengine_terminate_async(s->chan_rx); read = sg_dma_len(&s->sg_rx[active]) - state.residue; if (read) { |