From: "Kuppuswamy, Sathyanarayanan" <sathyanarayanan.kuppuswamy@linux.intel.com>
To: Linus Walleij <linus.walleij@linaro.org>, linux-gpio@vger.kernel.org
Cc: Bartosz Golaszewski <bgolaszewski@baylibre.com>,
Andy Shevchenko <andriy.shevchenko@linux.intel.com>,
Hans de Goede <hdegoede@redhat.com>
Subject: Re: [PATCH v2] gpio: crystalcove: Use irqchip template
Date: Tue, 21 Jul 2020 10:08:57 -0700 [thread overview]
Message-ID: <50c79c0d-3942-c248-fef0-27fa3592b89c@linux.intel.com> (raw)
In-Reply-To: <20200721140153.369171-1-linus.walleij@linaro.org>
Hi,
On 7/21/20 7:01 AM, Linus Walleij wrote:
> This makes the driver use the irqchip template to assign
> properties to the gpio_irq_chip instead of using the
> explicit calls to gpiochip_irqchip_add_nested() and
> gpiochip_set_nested_irqchip(). The irqchip is instead
> added while adding the gpiochip.
Looks good to me.
Reviewed-by: Kuppuswamy Sathyanarayanan
<sathyanarayanan.kuppuswamy@linux.intel.com>
>
> Cc: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
> Cc: Kuppuswamy Sathyanarayanan <sathyanarayanan.kuppuswamy@linux.intel.com>
> Cc: Hans de Goede <hdegoede@redhat.com>
> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
> ---
> ChangeLog v1->V2:
> - Fixed a variable name ch->cg
> ---
> drivers/gpio/gpio-crystalcove.c | 24 +++++++++++++++---------
> 1 file changed, 15 insertions(+), 9 deletions(-)
>
> diff --git a/drivers/gpio/gpio-crystalcove.c b/drivers/gpio/gpio-crystalcove.c
> index 14d1f4c933b6..39349b0e6923 100644
> --- a/drivers/gpio/gpio-crystalcove.c
> +++ b/drivers/gpio/gpio-crystalcove.c
> @@ -330,6 +330,7 @@ static int crystalcove_gpio_probe(struct platform_device *pdev)
> int retval;
> struct device *dev = pdev->dev.parent;
> struct intel_soc_pmic *pmic = dev_get_drvdata(dev);
> + struct gpio_irq_chip *girq;
>
> if (irq < 0)
> return irq;
> @@ -353,14 +354,15 @@ static int crystalcove_gpio_probe(struct platform_device *pdev)
> cg->chip.dbg_show = crystalcove_gpio_dbg_show;
> cg->regmap = pmic->regmap;
>
> - retval = devm_gpiochip_add_data(&pdev->dev, &cg->chip, cg);
> - if (retval) {
> - dev_warn(&pdev->dev, "add gpio chip error: %d\n", retval);
> - return retval;
> - }
> -
> - gpiochip_irqchip_add_nested(&cg->chip, &crystalcove_irqchip, 0,
> - handle_simple_irq, IRQ_TYPE_NONE);
> + girq = &cg->chip.irq;
> + girq->chip = &crystalcove_irqchip;
> + /* This will let us handle the parent IRQ in the driver */
> + girq->parent_handler = NULL;
> + girq->num_parents = 0;
> + girq->parents = NULL;
> + girq->default_type = IRQ_TYPE_NONE;
> + girq->handler = handle_simple_irq;
> + girq->threaded = true;
>
> retval = request_threaded_irq(irq, NULL, crystalcove_gpio_irq_handler,
> IRQF_ONESHOT, KBUILD_MODNAME, cg);
> @@ -370,7 +372,11 @@ static int crystalcove_gpio_probe(struct platform_device *pdev)
> return retval;
> }
>
> - gpiochip_set_nested_irqchip(&cg->chip, &crystalcove_irqchip, irq);
> + retval = devm_gpiochip_add_data(&pdev->dev, &cg->chip, cg);
> + if (retval) {
> + dev_warn(&pdev->dev, "add gpio chip error: %d\n", retval);
> + return retval;
> + }
>
> return 0;
> }
>
--
Sathyanarayanan Kuppuswamy
Linux Kernel Developer
next prev parent reply other threads:[~2020-07-21 17:09 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-07-21 14:01 [PATCH v2] gpio: crystalcove: Use irqchip template Linus Walleij
2020-07-21 15:39 ` Andy Shevchenko
2020-07-21 15:58 ` Andy Shevchenko
2020-07-22 8:56 ` Hans de Goede
2020-07-22 8:59 ` Andy Shevchenko
2020-07-22 9:00 ` Andy Shevchenko
2020-07-21 17:08 ` Kuppuswamy, Sathyanarayanan [this message]
2020-07-21 21:54 ` Andy Shevchenko
2020-07-21 22:05 ` Kuppuswamy, Sathyanarayanan
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