--- zzzz-none-000/linux-5.15.111/drivers/dma/dw/core.c	2023-05-11 14:00:40.000000000 +0000
+++ puma7-atom-6670-761/linux-5.15.111/drivers/dma/dw/core.c	2024-02-07 10:22:41.000000000 +0000
@@ -140,8 +140,10 @@
 
 static inline void dwc_chan_disable(struct dw_dma *dw, struct dw_dma_chan *dwc)
 {
+	unsigned int count = 20;
+
 	channel_clear_bit(dw, CH_EN, dwc->mask);
-	while (dma_readl(dw, CH_EN) & dwc->mask)
+	while (dma_readl(dw, CH_EN) & dwc->mask && count--)
 		cpu_relax();
 }
 
@@ -958,6 +960,8 @@
 
 void do_dw_dma_off(struct dw_dma *dw)
 {
+	unsigned int count = 20;
+
 	dma_writel(dw, CFG, 0);
 
 	channel_clear_bit(dw, MASK.XFER, dw->all_chan_mask);
@@ -966,7 +970,7 @@
 	channel_clear_bit(dw, MASK.DST_TRAN, dw->all_chan_mask);
 	channel_clear_bit(dw, MASK.ERROR, dw->all_chan_mask);
 
-	while (dma_readl(dw, CFG) & DW_CFG_DMA_EN)
+	while (dma_readl(dw, CFG) & DW_CFG_DMA_EN && count--)
 		cpu_relax();
 }