linux-kernel - Re: [PATCH 2/2] serial: stm32: update interrupt initialization

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Message-ID: <CAHp75Vd+UcUSG7t6SxzTmUkB6d2TAYVmgO92m9iV0YVJ1=XbzA@mail.gmail.com>
Date:   Wed, 28 Feb 2018 17:40:16 +0200
From:   Andy Shevchenko <andy.shevchenko@...il.com>
To:     Bich HEMON <bich.hemon@...com>
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Maxime Coquelin <mcoquelin.stm32@...il.com>,
        Alexandre TORGUE <alexandre.torgue@...com>,
        Jiri Slaby <jslaby@...e.com>,
        "linux-serial@...r.kernel.org" <linux-serial@...r.kernel.org>,
        "devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
        "linux-arm-kernel@...ts.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 2/2] serial: stm32: update interrupt initialization

On Wed, Feb 28, 2018 at 12:51 PM, Bich HEMON <bich.hemon@...com> wrote:
> For each port, get each IRQ using its specific name instead of its index.
>
> Signed-off-by: Bich Hemon <bich.hemon@...com>
> ---
>  drivers/tty/serial/stm32-usart.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/tty/serial/stm32-usart.c b/drivers/tty/serial/stm32-usart.c
> index 0fa735b..5c85cbc 100644
> --- a/drivers/tty/serial/stm32-usart.c
> +++ b/drivers/tty/serial/stm32-usart.c
> @@ -680,8 +680,8 @@ static int stm32_init_port(struct stm32_port *stm32port,
>         port->flags     = UPF_BOOT_AUTOCONF;
>         port->ops       = &stm32_uart_ops;
>         port->dev       = &pdev->dev;
> -       port->irq       = platform_get_irq(pdev, 0);
> -       stm32port->wakeirq = platform_get_irq(pdev, 1);

> +       port->irq       = platform_get_irq_byname(pdev, "event");

This is I have no idea about...

> +       stm32port->wakeirq = platform_get_irq_byname(pdev, "wakeup");

But this one is redundant since Tony's patch:
https://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm.git/commit/?h=bleeding-edge&id=da997b22c40473b7db60bde6ea188d35565d10c8

>         stm32port->fifoen = stm32port->info->cfg.has_fifo;
>
>         res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
> --
> 1.9.1



-- 
With Best Regards,
Andy Shevchenko