[U-Boot] [PATCH v6 03/12] nand: add Faraday FTNANDC021 NAND controller support

Kuo-Jung Su dantesu at gmail.com
Tue Jul 9 03:42:01 CEST 2013


2013/7/9 Scott Wood <scottwood at freescale.com>:
> On 07/03/2013 10:40:35 PM, Kuo-Jung Su wrote:
>>
>> +#ifndef __ARMEB__
>> +               put_unaligned_le32(readl(&regs->dr), buf + off);
>> +#else
>> +               put_unaligned_be32(readl(&regs->dr), buf + off);
>> +#endif
>
>
> Can't you just use plain put_unaligned()?  Be sure to cast buf + off to a
> 32-bit pointer.
>

Ummm...  I think it'll be better to replace put_unaligned() with memcpy(),
just like what your suggested before.

So that we don't even have to worry about this endian issue and pointer cast.

> Also, when you *do* need to have an if/else, use positive logic -- ifdef
> rather than ifndef, with the if/else swapped.
>

Got it, thanks

--
Best wishes,
Kuo-Jung Su


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