On 2016/9/19 18:12, Marc Zyngier wrote:
> On 19/09/16 10:49, Hanjun Guo wrote:
>> On 2016/9/15 23:24, Marc Zyngier wrote:
>>> On 14/09/16 15:21, Hanjun Guo wrote:
>>>> From: Hanjun Guo <hanjun.guo@xxxxxxxxxx>
>>>>
>>>> mbigen is an irqchip and it needs to be probed before
>>>> devices, same logic is used for SMMU and etc., let's
>>>> use arch_initcall instead of platform init for mbigen.
>>>>
>>>> Cc: Marc Zyngier <marc.zyngier@xxxxxxx>
>>>> Cc: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
>>>> Cc: Ma Jun <majun258@xxxxxxxxxx>
>>>> Signed-off-by: Hanjun Guo <hanjun.guo@xxxxxxxxxx>
>>>> ---
>>>> drivers/irqchip/irq-mbigen.c | 6 +++++-
>>>> 1 file changed, 5 insertions(+), 1 deletion(-)
>>>>
>>>> diff --git a/drivers/irqchip/irq-mbigen.c b/drivers/irqchip/irq-mbigen.c
>>>> index ca6add1..3a33de6 100644
>>>> --- a/drivers/irqchip/irq-mbigen.c
>>>> +++ b/drivers/irqchip/irq-mbigen.c
>>>> @@ -374,7 +374,11 @@ static struct platform_driver mbigen_platform_driver = {
>>>> .probe = mbigen_device_probe,
>>>> };
>>>>
>>>> -module_platform_driver(mbigen_platform_driver);
>>>> +static __init int mbigen_init(void)
>>>> +{
>>>> + return platform_driver_register(&mbigen_platform_driver);
>>>> +}
>>>> +arch_initcall(mbigen_init);
>>>>
>>>> MODULE_AUTHOR("Jun Ma <majun258@xxxxxxxxxx>");
>>>> MODULE_AUTHOR("Yun Wu <wuyun.wu@xxxxxxxxxx>");
>>>>
>>> I've already NACKed such a patch in the past, and I will carry on
>>> NACKing it until all the other avenues (like properly tracking device
>>> dependencies) have been explored and have been proven not to be fit for
>>> purpose.
>> I'd happy to work on this to make progress.
>>
>>> Rafael had proposed something around this subject last year, and I've
>> Sorry, obviously I missed something, could you give me the link about
>> Rafael's patches? I will pull back and test it on our hardware.
> Please see this discussion from almost a year ago:
>
> https://patchwork.kernel.org/patch/7407401/
>
> in which I give the existing pointers and explain why I'm pushing back
> on things like this patch.
We (Majun and me ) will look into it, thanks!
Hanjun
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