On 04/03/2013 06:45 AM, Jean-Christophe PLAGNIOL-VILLARD :
> On 18:46 Tue 02 Apr     , Boris BREZILLON wrote:
>> This patch fixes wrong clock request for TC block 2.
>> The second block was using t0_clk, t1_clk and t2_clk clks instead of
>> t3_clk, t4_clk and t5_clk clks.
>>
> this is intended as we have 3 clock per device

True.
Boris, did you hit an issue with former code that your patch is solving?
What is the reason for this patch?

Thanks, best regards,


>> Signed-off-by: Boris BREZILLON <[email protected]>
>> ---
>>  drivers/misc/atmel_tclib.c |   24 ++++++++++++++++--------
>>  1 file changed, 16 insertions(+), 8 deletions(-)
>>
>> diff --git a/drivers/misc/atmel_tclib.c b/drivers/misc/atmel_tclib.c
>> index c8d8e38..768a988 100644
>> --- a/drivers/misc/atmel_tclib.c
>> +++ b/drivers/misc/atmel_tclib.c
>> @@ -142,6 +142,8 @@ static int __init tc_probe(struct platform_device *pdev)
>>      struct atmel_tc *tc;
>>      struct clk      *clk;
>>      int             irq;
>> +    char            clk_id[7];
>> +    int             clk_offset;
>>  
>>      if (!platform_get_resource(pdev, IORESOURCE_MEM, 0))
>>              return -EINVAL;
>> @@ -156,25 +158,31 @@ static int __init tc_probe(struct platform_device 
>> *pdev)
>>  
>>      tc->pdev = pdev;
>>  
>> -    clk = clk_get(&pdev->dev, "t0_clk");
>> -    if (IS_ERR(clk)) {
>> -            kfree(tc);
>> -            return -EINVAL;
>> -    }
>> -
>>      /* Now take SoC information if available */
>>      if (pdev->dev.of_node) {
>>              const struct of_device_id *match;
>>              match = of_match_node(atmel_tcb_dt_ids, pdev->dev.of_node);
>>              if (match)
>>                      tc->tcb_config = match->data;
>> +            clk_offset = of_alias_get_id(tc->pdev->dev.of_node, "tcb");
>> +    } else
>> +            clk_offset = pdev->id;
>> +    clk_offset *= 3;
>> +
>> +    snprintf(clk_id, sizeof(clk_id), "t%d_clk", clk_offset++);
>> +    clk = clk_get(&pdev->dev, clk_id);
>> +    if (IS_ERR(clk)) {
>> +            kfree(tc);
>> +            return -EINVAL;
>>      }
>>  
>>      tc->clk[0] = clk;
>> -    tc->clk[1] = clk_get(&pdev->dev, "t1_clk");
>> +    snprintf(clk_id, sizeof(clk_id), "t%d_clk", clk_offset++);
>> +    tc->clk[1] = clk_get(&pdev->dev, clk_id);
>>      if (IS_ERR(tc->clk[1]))
>>              tc->clk[1] = clk;
>> -    tc->clk[2] = clk_get(&pdev->dev, "t2_clk");
>> +    snprintf(clk_id, sizeof(clk_id), "t%d_clk", clk_offset++);
>> +    tc->clk[2] = clk_get(&pdev->dev, clk_id);
>>      if (IS_ERR(tc->clk[2]))
>>              tc->clk[2] = clk;
>>  
>> -- 
>> 1.7.9.5
>>
>>
>> _______________________________________________
>> linux-arm-kernel mailing list
>> [email protected]
>> http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
> 


-- 
Nicolas Ferre
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