201 static int terga20_mc_hotreset_assert(struct tegra_mc *mc,  in terga20_mc_hotreset_assert()  argument
207 	spin_lock_irqsave(&mc->lock, flags);  in terga20_mc_hotreset_assert()
209 	value = mc_readl(mc, rst->reset);  in terga20_mc_hotreset_assert()
210 	mc_writel(mc, value & ~BIT(rst->bit), rst->reset);  in terga20_mc_hotreset_assert()
212 	spin_unlock_irqrestore(&mc->lock, flags);  in terga20_mc_hotreset_assert()
217 static int terga20_mc_hotreset_deassert(struct tegra_mc *mc,  in terga20_mc_hotreset_deassert()  argument
223 	spin_lock_irqsave(&mc->lock, flags);  in terga20_mc_hotreset_deassert()
225 	value = mc_readl(mc, rst->reset);  in terga20_mc_hotreset_deassert()
226 	mc_writel(mc, value | BIT(rst->bit), rst->reset);  in terga20_mc_hotreset_deassert()
228 	spin_unlock_irqrestore(&mc->lock, flags);  in terga20_mc_hotreset_deassert()
233 static int terga20_mc_block_dma(struct tegra_mc *mc,  in terga20_mc_block_dma()  argument
239 	spin_lock_irqsave(&mc->lock, flags);  in terga20_mc_block_dma()
241 	value = mc_readl(mc, rst->control) & ~BIT(rst->bit);  in terga20_mc_block_dma()
242 	mc_writel(mc, value, rst->control);  in terga20_mc_block_dma()
244 	spin_unlock_irqrestore(&mc->lock, flags);  in terga20_mc_block_dma()
249 static bool terga20_mc_dma_idling(struct tegra_mc *mc,  in terga20_mc_dma_idling()  argument
252 	return mc_readl(mc, rst->status) == 0;  in terga20_mc_dma_idling()
255 static int terga20_mc_reset_status(struct tegra_mc *mc,  in terga20_mc_reset_status()  argument
258 	return (mc_readl(mc, rst->reset) & BIT(rst->bit)) == 0;  in terga20_mc_reset_status()
261 static int terga20_mc_unblock_dma(struct tegra_mc *mc,  in terga20_mc_unblock_dma()  argument
267 	spin_lock_irqsave(&mc->lock, flags);  in terga20_mc_unblock_dma()
269 	value = mc_readl(mc, rst->control) | BIT(rst->bit);  in terga20_mc_unblock_dma()
270 	mc_writel(mc, value, rst->control);  in terga20_mc_unblock_dma()
272 	spin_unlock_irqrestore(&mc->lock, flags);  in terga20_mc_unblock_dma()