[PATCH v3 2/3] dma: amlogic: Add general DMA driver for A9

[Xianwei Zhao]

Hi Martin,
    Thanks for your reply.

On 2026/2/10 05:28, Martin Blumenstingl wrote:
> Hi Xianwei Zhao,
> 
> On Fri, Feb 6, 2026 at 10:03 AM Xianwei Zhao via B4 Relay
> <devnull+xianwei.zhao.amlogic.com at kernel.org>  wrote:
> [...]
>> +       /* PIO 4 bytes and I2C 1 byte */
>> +       dma_dev->dst_addr_widths = BIT(DMA_SLAVE_BUSWIDTH_4_BYTES | DMA_SLAVE_BUSWIDTH_1_BYTE);
> I have not seen this way of writing two bits before.
> Should this be:
>      BIT(DMA_SLAVE_BUSWIDTH_4_BYTES) | BIT(DMA_SLAVE_BUSWIDTH_1_BYTE)
> instead (similar to the line below)?
> 
Will do.

>> +       dma_dev->directions = BIT(DMA_DEV_TO_MEM) | BIT(DMA_MEM_TO_DEV);
> Best regards,
> Martin