linux-kernel - Re: [PATCH] irqchip: irq-gic-v3-its-pci-msi: make of_device

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Date:   Fri, 23 Jun 2017 15:59:52 +0530
From:   Arvind Yadav <arvind.yadav.cs@...il.com>
To:     Marc Zyngier <marc.zyngier@....com>, tglx@...utronix.de,
        jason@...edaemon.net
Cc:     linux-kernel@...r.kernel.org
Subject: Re: [PATCH] irqchip: irq-gic-v3-its-pci-msi: make of_device_ids const

Hi,

Ok, Next time I will push all fixes patch together,

Thanks,
~arvind


On Friday 23 June 2017 03:54 PM, Marc Zyngier wrote:
> On 23/06/17 11:11, Arvind Yadav wrote:
>> of_device_ids are not supposed to change at runtime. All functions
>> working with of_device_ids provided by <linux/of.h> work with const
>> of_device_ids. So mark the non-const structs as const.
>>
>> Signed-off-by: Arvind Yadav <arvind.yadav.cs@...il.com>
>> ---
>>   drivers/irqchip/irq-gic-v3-its-pci-msi.c | 2 +-
>>   1 file changed, 1 insertion(+), 1 deletion(-)
>>
>> diff --git a/drivers/irqchip/irq-gic-v3-its-pci-msi.c b/drivers/irqchip/irq-gic-v3-its-pci-msi.c
>> index aee1c60..44f80ec 100644
>> --- a/drivers/irqchip/irq-gic-v3-its-pci-msi.c
>> +++ b/drivers/irqchip/irq-gic-v3-its-pci-msi.c
>> @@ -102,7 +102,7 @@ static int its_pci_msi_prepare(struct irq_domain *domain, struct device *dev,
>>   	.chip	= &its_msi_irq_chip,
>>   };
>>   
>> -static struct of_device_id its_device_id[] = {
>> +static const struct of_device_id its_device_id[] = {
>>   	{	.compatible	= "arm,gic-v3-its",	},
>>   	{},
>>   };
>>
> I already sent the pull request to Thomas, so this one will have to
> wait. In general, it'd be better if you sent these fixes as a series for
> a given subsystem rather than one or two patches every other day.
>
> Thanks,
>
> 	M.