drivers/dma/dma-sh.c

105 	u32 chcr = __raw_readl(dma_base_addr(chan->chan) + CHCR);
106 	int cnt = ((chcr & CHCR_TS_LOW_MASK) >> CHCR_TS_LOW_SHIFT) |
107 		((chcr & CHCR_TS_HIGH_MASK) >> CHCR_TS_HIGH_SHIFT);
113  * The transfer end interrupt must read the chcr register to end the
121 	u32 chcr;
123 	chcr = __raw_readl(dma_base_addr(chan->chan) + CHCR);
125 	if (!(chcr & CHCR_TE))
128 	chcr &= ~(CHCR_IE | CHCR_DE);
129 	__raw_writel(chcr, (dma_base_addr(chan->chan) + CHCR));
151 sh_dmac_configure_channel(struct dma_channel *chan, unsigned long chcr)
153 	if (!chcr)
154 		chcr = RS_DUAL | CHCR_IE;
156 	if (chcr & CHCR_IE) {
157 		chcr &= ~CHCR_IE;
163 	__raw_writel(chcr, (dma_base_addr(chan->chan) + CHCR));
172 	u32 chcr;
174 	chcr = __raw_readl(dma_base_addr(chan->chan) + CHCR);
175 	chcr |= CHCR_DE;
178 		chcr |= CHCR_IE;
180 	__raw_writel(chcr, (dma_base_addr(chan->chan) + CHCR));
191 	u32 chcr;
198 	chcr = __raw_readl(dma_base_addr(chan->chan) + CHCR);
199 	chcr &= ~(CHCR_DE | CHCR_TE | CHCR_IE);
200 	__raw_writel(chcr, (dma_base_addr(chan->chan) + CHCR));