[PATCH 2/8] spl: fit: Factor out FIT parsing and use a context struct

[Alex G. <mr.nuke.me@gmail.com>]

On 12/18/20 8:28 PM, Simon Glass wrote:
> Hi Alexandru,
> 
> On Tue, 15 Dec 2020 at 17:09, Alexandru Gagniuc <mr.nuke.me@gmail.com> wrote:
>>
>> The logical steps in spl_load_simple_fit() are difficult to follow.
>> I think the long comments, ifdefs, and ungodly number of variables
>> seriously affect the readability. In particular, it violates section 6
>> of the coding style, paragraphs (3), and (4).
>>
>> The purpose of this patch is to improve the situation by
>>    - Factoring out initialization and parsing to separate functions
>>    - Reduce the number of variables by using a context structure
>> This change introduces no functional changes.
>>
>> Signed-off-by: Alexandru Gagniuc <mr.nuke.me@gmail.com>
>> ---
>>   common/spl/spl_fit.c | 87 ++++++++++++++++++++++++++++++--------------
>>   1 file changed, 60 insertions(+), 27 deletions(-)
> 
> This certainly looks a lot better although your email address does not
> inspire confidence...

Don't worry. It doesn't bite.

> Do you think you could look at creating a sandbox SPL test for this?
> It should be possible to write it in C, set up a bit of data, call
> your function and check the results.

I can look at it. I can't promise anything though, since this is the 
first time I heard of the sandbox. Maybe doc knows more.

Alex

>>
>> diff --git a/common/spl/spl_fit.c b/common/spl/spl_fit.c
>> index 1b4a7f6b15..a6f85b6f9d 100644
>> --- a/common/spl/spl_fit.c
>> +++ b/common/spl/spl_fit.c
>> @@ -26,6 +26,12 @@ DECLARE_GLOBAL_DATA_PTR;
>>   #define CONFIG_SYS_BOOTM_LEN   (64 << 20)
>>   #endif
>>
>> +struct spl_fit_info {
>> +       const void *fit;
>> +       size_t ext_data_offset;
>> +       int images_node;
>> +};
> 
> struct comments
>