[U-Boot] [RFC PATCH 01/12] imx: mx6: ddr: return output of calibration routines

Eric Nelson eric at nelint.com
Thu Jun 23 02:18:07 CEST 2016


On 06/22/2016 04:57 PM, Marek Vasut wrote:
> On 06/23/2016 01:52 AM, Eric Nelson wrote:
>> Hi Marek,
>>
>> On 06/22/2016 04:18 PM, Marek Vasut wrote:
>>> On 06/21/2016 08:41 PM, Eric Nelson wrote:
>>>> Allow the calibration data from mmdc_do_write_level_calibration
>>>> and mmdc_do_dqs_calibration to be returned to the caller for
>>>> display.
>>>>
>>>> Signed-off-by: Eric Nelson <eric at nelint.com>
>>>
>>> Why don't you create a separate function to read those params ?
>>>
>>
>> Probably because in my implementation, the calibration routine
>> didn't actually write the registers. It was left to the caller
>> to hand them to mx6_dram_cfg.
>>
>> You're right though. A routine to gather calibration data would
>> be simpler and prevent the "if (calibration)" junk in the two
>> routines.
> 
> Try avoiding polluting the code with the if (calib) junk more :)
> 

Will fix in V2 with the addition of a routine to gather the
calibration data.

This will also remove the need for patch 2/12, but the remainder
could still use some review.




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