Re: [PATCH v7 1/2] spi: Add Renesas R-Car Gen3 RPC-IF SPI controller driver

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On 1/24/19 3:23 AM, masonccyang@xxxxxxxxxxx wrote:
> Hi Marek,

Hi,

>> "Marek Vasut" <marek.vasut@xxxxxxxxx>
>> 2019/01/24 上午 09:54
>>
>>
>> > +#define RPC_CMNCR      0x0000   // R/W
>>
>> Is there any reason for using those horrible C++ comments ?
> 
> By Mark's comments for the SPDX header needs to be C++ style and
> I patch the whole RPC driver comments using C++ style otherwise it looks
> messy.

I think the C++ comments should only be applied to the SPDX identifier,
maybe the header, but not the entire file.

>> [...]
>>
>> > +module_platform_driver(rpc_spi_driver);
>>
>> RPC is not a SPI controller, it's a SPI and HF controller.
>>
>> Also, how difficult will it be to add the HF support ?
> 
> One of my customers needs RPC SPI driver for our company's
> Octal-Flash,MX25UW51245G.
> We don't have HF product and hope you could understanding.

I am worried that when we need to add RPC HF support (which is what all
boards but the D3 Draak use), we will have to rewrite the entire driver
and/or convert it to MFD and that would be a tremendous undertaking. I'd
prefer to have the driver ready for the HF addition before it's accepted
upstream.

-- 
Best regards,
Marek Vasut



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