[PATCH resend] Newly erased page read workaround

Vipin Kumar vipin.kumar at st.com
Fri Apr 1 07:42:42 EDT 2011


On 4/1/2011 5:00 PM, Artem Bityutskiy wrote:
> On Fri, 2011-04-01 at 15:55 +0530, ext Viresh Kumar wrote:
>> +		/*
>> +		 * This is a temporary erase check. A newly erased page read
>> +		 * would result in an ecc error because the oob data is also
>> +		 * erased to FF and the calculated ecc for an FF data is not
>> +		 * FF..FF.
>> +		 * This is a workaround to skip performing correction in case
>> +		 * data is FF..FF
>> +		 */
> 
> Sorry, but still questions.
> 
> The comment says this is temporary - why? When and how this going to be
> change to become "permanent".
> 

Temporary because the fsmc peripheral itself needs a fix for this problem

> And you still did not add words about the problem with bit-flips.
> 

OK, I would add that too




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