linux-kernel - Re: linux-next: build failure after merge of the gpio tree

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Message-ID: <CAK7LNAS-XbQ8mwGrFKNogqeMH1dBwj8eQaqV3esTVAmV9hOP5g@mail.gmail.com>
Date:   Mon, 13 Nov 2017 22:40:10 +0900
From:   Masahiro Yamada <yamada.masahiro@...ionext.com>
To:     Stephen Rothwell <sfr@...b.auug.org.au>,
        Linus Walleij <linus.walleij@...aro.org>
Cc:     Thomas Gleixner <tglx@...utronix.de>, Ingo Molnar <mingo@...e.hu>,
        "H. Peter Anvin" <hpa@...or.com>,
        Peter Zijlstra <peterz@...radead.org>,
        Linux-Next Mailing List <linux-next@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: linux-next: build failure after merge of the gpio tree

2017-11-13 20:33 GMT+09:00 Stephen Rothwell <sfr@...b.auug.org.au>:
> Hi all,
>
> On Thu, 2 Nov 2017 16:20:38 +1100 Stephen Rothwell <sfr@...b.auug.org.au> wrote:
>>
>> After merging the gpio tree, today's linux-next build (arm
>> multi_v7_defconfig) failed like this:
>>
>> drivers/gpio/gpio-uniphier.c:324:14: error: initialization from incompatible pointer type [-Werror=incompatible-pointer-types]
>>   .activate = uniphier_gpio_irq_domain_activate,
>>               ^
>>
>> Caused by commit
>>
>>   dbe776c2ca54 ("gpio: uniphier: add UniPhier GPIO controller driver")
>>
>> interacting with commit
>>
>>   72491643469a ("genirq/irqdomain: Update irq_domain_ops.activate() signature")
>>
>> from the tip tree
>>
>> I added the following merge fix patch:
>>
>> From: Stephen Rothwell <sfr@...b.auug.org.au>
>> Date: Thu, 2 Nov 2017 16:10:46 +1100
>> Subject: [PATCH] gpio: uniphier: merge fix for "Update
>>  irq_domain_ops.activate() signature"
>>
>> Signed-off-by: Stephen Rothwell <sfr@...b.auug.org.au>
>> ---
>>  drivers/gpio/gpio-uniphier.c | 6 ++++--
>>  1 file changed, 4 insertions(+), 2 deletions(-)
>>
>> diff --git a/drivers/gpio/gpio-uniphier.c b/drivers/gpio/gpio-uniphier.c
>> index d62cea4ed6b7..d0069202ade3 100644
>> --- a/drivers/gpio/gpio-uniphier.c
>> +++ b/drivers/gpio/gpio-uniphier.c
>> @@ -300,13 +300,15 @@ static int uniphier_gpio_irq_domain_alloc(struct irq_domain *domain,
>>       return irq_domain_alloc_irqs_parent(domain, virq, 1, &parent_fwspec);
>>  }
>>
>> -static void uniphier_gpio_irq_domain_activate(struct irq_domain *domain,
>> -                                           struct irq_data *data)
>> +static int uniphier_gpio_irq_domain_activate(struct irq_domain *domain,
>> +                                           struct irq_data *data,
>> +                                           bool early)
>>  {
>>       struct uniphier_gpio_priv *priv = domain->host_data;
>>       struct gpio_chip *chip = &priv->chip;
>>
>>       gpiochip_lock_as_irq(chip, data->hwirq + UNIPHIER_GPIO_IRQ_OFFSET);
>> +     return 0;
>>  }
>>
>>  static void uniphier_gpio_irq_domain_deactivate(struct irq_domain *domain,
>
> Just a reminder that this conflict still exists.
>

Thanks for the reminder.


Linus,

Is it possible to forward this one?
http://patchwork.ozlabs.org/patch/837435/


I'd like to eliminate coding style warning where possible.


Just a slight change of coding style.
I kept Stephen's authorship and Signed-off-by as-is.





-- 
Best Regards
Masahiro Yamada