Re: [RESEND PATCH 2/2] powerpc/powermac: constify device_node in of_irq_parse_oldworld()

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On 22/09/2021 15:55, Christophe Leroy wrote:
> 
> 
> Le 22/09/2021 à 10:44, Krzysztof Kozlowski a écrit :
>> The of_irq_parse_oldworld() does not modify passed device_node so make
>> it a pointer to const for safety.
> 
> AFAIKS this patch is unrelated to previous one so you should send them 
> out separately instead of sending as a series.

The relation it's a series of bugfixes. Although they can be applied
independently, having a series is actually very useful - you run "b4 am"
on one message ID and get everything. The same with patchwork, if you
use that one.

> 
>>
>> Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxxxxx>
>> ---
>>   arch/powerpc/platforms/powermac/pic.c | 2 +-
>>   include/linux/of_irq.h                | 4 ++--
>>   2 files changed, 3 insertions(+), 3 deletions(-)
>>
>> diff --git a/arch/powerpc/platforms/powermac/pic.c b/arch/powerpc/platforms/powermac/pic.c
>> index 4921bccf0376..af5ca1f41bb1 100644
>> --- a/arch/powerpc/platforms/powermac/pic.c
>> +++ b/arch/powerpc/platforms/powermac/pic.c
>> @@ -384,7 +384,7 @@ static void __init pmac_pic_probe_oldstyle(void)
>>   #endif
>>   }
>>   
>> -int of_irq_parse_oldworld(struct device_node *device, int index,
>> +int of_irq_parse_oldworld(const struct device_node *device, int index,
>>   			struct of_phandle_args *out_irq)
>>   {
>>   	const u32 *ints = NULL;
>> diff --git a/include/linux/of_irq.h b/include/linux/of_irq.h
>> index aaf219bd0354..6074fdf51f0c 100644
>> --- a/include/linux/of_irq.h
>> +++ b/include/linux/of_irq.h
>> @@ -20,12 +20,12 @@ typedef int (*of_irq_init_cb_t)(struct device_node *, struct device_node *);
>>   #if defined(CONFIG_PPC32) && defined(CONFIG_PPC_PMAC)
>>   extern unsigned int of_irq_workarounds;
>>   extern struct device_node *of_irq_dflt_pic;
>> -extern int of_irq_parse_oldworld(struct device_node *device, int index,
>> +extern int of_irq_parse_oldworld(const struct device_node *device, int index,
>>   			       struct of_phandle_args *out_irq);
> 
> Please remove 'extern' which is useless for prototypes.

OK


Best regards,
Krzysztof



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