Re: [PATCH 06/14] dmaengine: dma-jz4780: Add support for the JZ4725B SoC
From: Vinod <vkoul@kernel.org>
Date: 2018-07-09 17:15:12
Also in:
dmaengine, linux-mips, lkml
On 03-07-18, 14:32, Paul Cercueil wrote:
The JZ4725B has one DMA core starring six DMA channels. As for the JZ4770, each DMA channel's clock can be enabled with a register write, the difference here being that once started, it is not possible to turn it off.
ok so disable for this, right..
quoted hunk ↗ jump to hunk
@@ -204,6 +205,8 @@ static inline void jz4780_dma_chan_enable(struct jz4780_dma_dev *jzdma, { if (jzdma->version == ID_JZ4770) jz4780_dma_ctrl_writel(jzdma, JZ_DMA_REG_DCKES, BIT(chn)); + else if (jzdma->version == ID_JZ4725B) + jz4780_dma_ctrl_writel(jzdma, JZ_DMA_REG_DCKE, BIT(chn));
but you are writing to a different register here.. -- ~Vinod