linux-kernel - Re: [PATCH v5 5/8] gpio: gpio-wcove: Use first level PMIC GPIO irq

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Date:   Sat, 3 Jun 2017 16:01:41 +0300
From:   Andy Shevchenko <andy.shevchenko@...il.com>
To:     Kuppuswamy Sathyanarayanan 
        <sathyanarayanan.kuppuswamy@...ux.intel.com>
Cc:     Alexandre Courbot <gnurou@...il.com>,
        "Krogerus, Heikki" <heikki.krogerus@...ux.intel.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Linus Walleij <linus.walleij@...aro.org>,
        "edubezval@...il.com" <edubezval@...il.com>,
        "dvhart@...radead.org" <dvhart@...radead.org>,
        "Zhang, Rui" <rui.zhang@...el.com>,
        Lee Jones <lee.jones@...aro.org>,
        Andy Shevchenko <andy@...radead.org>,
        "linux-gpio@...r.kernel.org" <linux-gpio@...r.kernel.org>,
        "linux-pm@...r.kernel.org" <linux-pm@...r.kernel.org>,
        USB <linux-usb@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        Platform Driver <platform-driver-x86@...r.kernel.org>,
        Sathyanarayanan Kuppuswamy Natarajan <sathyaosid@...il.com>
Subject: Re: [PATCH v5 5/8] gpio: gpio-wcove: Use first level PMIC GPIO irq

On Thu, Jun 1, 2017 at 1:37 AM,
<sathyanarayanan.kuppuswamy@...ux.intel.com> wrote:
> From: Kuppuswamy Sathyanarayanan <sathyanarayanan.kuppuswamy@...ux.intel.com>
>
> PMIC mfd driver only exports first level irq for GPIO device.
> But currently we are reading the irqs from the second level irq
> chip, So this patch fixes this issue by adding support to use
> first level PMIC GPIO irq.
>

Shouldn't be this squashed to patch 4?

> Signed-off-by: Kuppuswamy Sathyanarayanan <sathyanarayanan.kuppuswamy@...ux.intel.com>
> Acked-by: Linus Walleij <linus.walleij@...aro.org>
> ---
>  drivers/gpio/gpio-wcove.c | 14 +++++++++++++-
>  1 file changed, 13 insertions(+), 1 deletion(-)
>
> Changes since v1:
>  * used correct mask for GPIO0 and GPIO1 interrupts
>
> Changes since v2:
>  * Rebased on top of latest release.
>  * Removed IRQ0 and IRQ1 mask defines.
>
> Changes since v3:
>  * None
>
> diff --git a/drivers/gpio/gpio-wcove.c b/drivers/gpio/gpio-wcove.c
> index 7b1bc20..bba7704 100644
> --- a/drivers/gpio/gpio-wcove.c
> +++ b/drivers/gpio/gpio-wcove.c
> @@ -401,7 +401,7 @@ static int wcove_gpio_probe(struct platform_device *pdev)
>         if (!wg)
>                 return -ENOMEM;
>
> -       wg->regmap_irq_chip = pmic->irq_chip_data_level2;
> +       wg->regmap_irq_chip = pmic->irq_chip_data;
>
>         platform_set_drvdata(pdev, wg);
>
> @@ -449,6 +449,18 @@ static int wcove_gpio_probe(struct platform_device *pdev)
>
>         gpiochip_set_nested_irqchip(&wg->chip, &wcove_irqchip, virq);
>
> +       /* Enable GPIO0 interrupts */
> +       ret = regmap_update_bits(wg->regmap, IRQ_MASK_BASE, GPIO_IRQ0_MASK,
> +                                0x00);
> +       if (ret)
> +               return ret;
> +
> +       /* Enable GPIO1 interrupts */
> +       ret = regmap_update_bits(wg->regmap, IRQ_MASK_BASE + 1, GPIO_IRQ1_MASK,
> +                                0x00);
> +       if (ret)
> +               return ret;
> +
>         return 0;
>  }
>
> --
> 2.7.4
>



-- 
With Best Regards,
Andy Shevchenko