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

From: Claudiu Beznea
Date: Tue Feb 14 2023 - 10:21:29 EST


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@xxxxxxxxxxxxx>
---
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