FLASH_DMA_ERROR_STATUS
[FLASH_DMA_ERROR_STATUS] = 0x18,
[FLASH_DMA_ERROR_STATUS] = 0x20,
[FLASH_DMA_ERROR_STATUS] = 0x28,
flash_dma_readl(ctrl, FLASH_DMA_ERROR_STATUS));
flash_dma_writel(ctrl, FLASH_DMA_ERROR_STATUS, 0);
flash_dma_writel(ctrl, FLASH_DMA_ERROR_STATUS, 0);