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Message-ID: <2067345.uNWy6pBO6B@flatron>
Date:	Thu, 13 Jun 2013 13:14:25 +0200
From:	Tomasz Figa <tomasz.figa@...il.com>
To:	Doug Anderson <dianders@...omium.org>
Cc:	Linus Walleij <linus.walleij@...aro.org>,
	Kukjin Kim <kgene.kim@...sung.com>,
	Olof Johansson <olof@...om.net>,
	Simon Glass <sjg@...omium.org>,
	Luigi Semenzato <semenzato@...omium.org>,
	ilho215.lee@...sung.com, eunki_kim@...sung.com,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2/3] pinctrl: exynos: reorder xyz_irq_unmask() so future patch can ack

On Wednesday 12 of June 2013 10:33:18 Doug Anderson wrote:
> This patch does nothing but reorder the functions to improve the
> readability of a future patch.
> 
> Signed-off-by: Doug Anderson <dianders@...omium.org>
> ---
>  drivers/pinctrl/pinctrl-exynos.c | 52
> ++++++++++++++++++++-------------------- 1 file changed, 26
> insertions(+), 26 deletions(-)

IMHO just moving _ack() above _mask() (or _unmask()) would be enough, 
without touching _mask() and _unmask() in this patch, but have my

Acked-by: Tomasz Figa <t.figa@...sung.com>

Best regards,
Tomasz

P.S. I think you might have missed linux-arm-kernel and linux-samsung-soc 
in recipients list of this series.

> diff --git a/drivers/pinctrl/pinctrl-exynos.c
> b/drivers/pinctrl/pinctrl-exynos.c index c29a28e..c0729a3 100644
> --- a/drivers/pinctrl/pinctrl-exynos.c
> +++ b/drivers/pinctrl/pinctrl-exynos.c
> @@ -50,7 +50,7 @@ static const struct of_device_id exynos_wkup_irq_ids[]
> = { { }
>  };
> 
> -static void exynos_gpio_irq_unmask(struct irq_data *irqd)
> +static void exynos_gpio_irq_mask(struct irq_data *irqd)
>  {
>  	struct samsung_pin_bank *bank = irq_data_get_irq_chip_data(irqd);
>  	struct samsung_pinctrl_drv_data *d = bank->drvdata;
> @@ -61,13 +61,22 @@ static void exynos_gpio_irq_unmask(struct irq_data
> *irqd) spin_lock_irqsave(&bank->slock, flags);
> 
>  	mask = readl(d->virt_base + reg_mask);
> -	mask &= ~(1 << irqd->hwirq);
> +	mask |= 1 << irqd->hwirq;
>  	writel(mask, d->virt_base + reg_mask);
> 
>  	spin_unlock_irqrestore(&bank->slock, flags);
>  }
> 
> -static void exynos_gpio_irq_mask(struct irq_data *irqd)
> +static void exynos_gpio_irq_ack(struct irq_data *irqd)
> +{
> +	struct samsung_pin_bank *bank = irq_data_get_irq_chip_data(irqd);
> +	struct samsung_pinctrl_drv_data *d = bank->drvdata;
> +	unsigned long reg_pend = d->ctrl->geint_pend + bank->eint_offset;
> +
> +	writel(1 << irqd->hwirq, d->virt_base + reg_pend);
> +}
> +
> +static void exynos_gpio_irq_unmask(struct irq_data *irqd)
>  {
>  	struct samsung_pin_bank *bank = irq_data_get_irq_chip_data(irqd);
>  	struct samsung_pinctrl_drv_data *d = bank->drvdata;
> @@ -78,21 +87,12 @@ static void exynos_gpio_irq_mask(struct irq_data
> *irqd) spin_lock_irqsave(&bank->slock, flags);
> 
>  	mask = readl(d->virt_base + reg_mask);
> -	mask |= 1 << irqd->hwirq;
> +	mask &= ~(1 << irqd->hwirq);
>  	writel(mask, d->virt_base + reg_mask);
> 
>  	spin_unlock_irqrestore(&bank->slock, flags);
>  }
> 
> -static void exynos_gpio_irq_ack(struct irq_data *irqd)
> -{
> -	struct samsung_pin_bank *bank = irq_data_get_irq_chip_data(irqd);
> -	struct samsung_pinctrl_drv_data *d = bank->drvdata;
> -	unsigned long reg_pend = d->ctrl->geint_pend + bank->eint_offset;
> -
> -	writel(1 << irqd->hwirq, d->virt_base + reg_pend);
> -}
> -
>  static int exynos_gpio_irq_set_type(struct irq_data *irqd, unsigned int
> type) {
>  	struct samsung_pin_bank *bank = irq_data_get_irq_chip_data(irqd);
> @@ -268,7 +268,7 @@ err_domains:
>  	return ret;
>  }
> 
> -static void exynos_wkup_irq_unmask(struct irq_data *irqd)
> +static void exynos_wkup_irq_mask(struct irq_data *irqd)
>  {
>  	struct samsung_pin_bank *b = irq_data_get_irq_chip_data(irqd);
>  	struct samsung_pinctrl_drv_data *d = b->drvdata;
> @@ -279,13 +279,22 @@ static void exynos_wkup_irq_unmask(struct irq_data
> *irqd) spin_lock_irqsave(&b->slock, flags);
> 
>  	mask = readl(d->virt_base + reg_mask);
> -	mask &= ~(1 << irqd->hwirq);
> +	mask |= 1 << irqd->hwirq;
>  	writel(mask, d->virt_base + reg_mask);
> 
>  	spin_unlock_irqrestore(&b->slock, flags);
>  }
> 
> -static void exynos_wkup_irq_mask(struct irq_data *irqd)
> +static void exynos_wkup_irq_ack(struct irq_data *irqd)
> +{
> +	struct samsung_pin_bank *b = irq_data_get_irq_chip_data(irqd);
> +	struct samsung_pinctrl_drv_data *d = b->drvdata;
> +	unsigned long pend = d->ctrl->weint_pend + b->eint_offset;
> +
> +	writel(1 << irqd->hwirq, d->virt_base + pend);
> +}
> +
> +static void exynos_wkup_irq_unmask(struct irq_data *irqd)
>  {
>  	struct samsung_pin_bank *b = irq_data_get_irq_chip_data(irqd);
>  	struct samsung_pinctrl_drv_data *d = b->drvdata;
> @@ -296,21 +305,12 @@ static void exynos_wkup_irq_mask(struct irq_data
> *irqd) spin_lock_irqsave(&b->slock, flags);
> 
>  	mask = readl(d->virt_base + reg_mask);
> -	mask |= 1 << irqd->hwirq;
> +	mask &= ~(1 << irqd->hwirq);
>  	writel(mask, d->virt_base + reg_mask);
> 
>  	spin_unlock_irqrestore(&b->slock, flags);
>  }
> 
> -static void exynos_wkup_irq_ack(struct irq_data *irqd)
> -{
> -	struct samsung_pin_bank *b = irq_data_get_irq_chip_data(irqd);
> -	struct samsung_pinctrl_drv_data *d = b->drvdata;
> -	unsigned long pend = d->ctrl->weint_pend + b->eint_offset;
> -
> -	writel(1 << irqd->hwirq, d->virt_base + pend);
> -}
> -
>  static int exynos_wkup_irq_set_type(struct irq_data *irqd, unsigned int
> type) {
>  	struct samsung_pin_bank *bank = irq_data_get_irq_chip_data(irqd);
--
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