dmaengine: at_xdmac: add a warning message regarding for unpaused channels

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@microchip.com>
Link: https://lore.kernel.org/r/20230214151827.1050280-7-claudiu.beznea@microchip.comSigned-off-by: Vinod Koul <vkoul@kernel.org>

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);
 			}