[U-Boot] [PATCH resend] spi/arm-pl022: Add support for ARM PL022 spi controller

[Vipin Kumar <vipin.kumar@st.com>]

On 12/12/2012 4:40 PM, Armando VISCONTI wrote:
>>>> +
>>>> +/* SSP registers mapping */
>>>> +#define SSP_CR0 0x000
>>>> +#define SSP_CR1 0x004
>>>> +#define SSP_DR 0x008
>>>> +#define SSP_SR 0x00C
>>>> +#define SSP_CPSR 0x010
>>>> +#define SSP_IMSC 0x014
>>>> +#define SSP_RIS 0x018
>>>> +#define SSP_MIS 0x01C
>>>> +#define SSP_ICR 0x020
>>>> +#define SSP_DMACR 0x024
>>>> +#define SSP_ITCR 0x080
>>>> +#define SSP_ITIP 0x084
>>>> +#define SSP_ITOP 0x088
>>>> +#define SSP_TDR 0x08C
>>>
>>> Please use C-structs instead to access the registers.
>>>
>>
>> May be this patch is a ripped version from linux. That's why
>> Thanks. I will do this in v2
>>
>
> Yes,
> I took this part from the linux pl022 driver.
>
> Never understood which way (C-struct or defines) is preferable
> and why...
>

U-boot uses the structure way(I do not exactly understand why) and the 
kernel code uses both ways
I would change it to use the structure

> Rgds,
> Arm
>
>

Vipin