[PATCH 6/7] dmaengine: at_xdmac: add a warning message regarding for unpaused channels

Claudiu Beznea claudiu.beznea at microchip.com
Tue Feb 14 07:18:26 PST 2023


Add a warning message on suspend to let the user that there are channels
not paused by their consumers.

Signed-off-by: Claudiu Beznea <claudiu.beznea at microchip.com>
---
 drivers/dma/at_xdmac.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/dma/at_xdmac.c b/drivers/dma/at_xdmac.c
index 96f1b69f8a75..7ff6ca01e0b5 100644
--- a/drivers/dma/at_xdmac.c
+++ b/drivers/dma/at_xdmac.c
@@ -2154,6 +2154,8 @@ static int __maybe_unused atmel_xdmac_suspend(struct device *dev)
 		atchan->save_cc = at_xdmac_chan_read(atchan, AT_XDMAC_CC);
 		if (at_xdmac_chan_is_cyclic(atchan)) {
 			if (!at_xdmac_chan_is_paused(atchan)) {
+				dev_warn(chan2dev(chan), "%s: channel %d not paused\n",
+					 __func__, chan->chan_id);
 				at_xdmac_device_pause_internal(atchan);
 				at_xdmac_runtime_suspend_descriptors(atchan);
 			}
-- 
2.34.1




More information about the linux-arm-kernel mailing list