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Date: Fri, 21 Jan 2022 10:17:49 +0100
From: Gregory CLEMENT <gregory.clement@...tlin.com>
To: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Cc: Andrew Lunn <andrew@...n.ch>,
Sebastian Hesselbarth <sebastian.hesselbarth@...il.com>,
Russell King <linux@...linux.org.uk>
Subject: Re: [PATCH v2 1/1] ARM: orion/gpio: Get rid of unused first
parameter in orion_gpio_init()
Andy Shevchenko <andriy.shevchenko@...ux.intel.com> writes:
> The OF node pointer is always NULL, get rid of unused parameter in
> orion_gpio_init(). As a side effect it will allow to switch GPIO
> library to the fwnode API, as well as in case of resurrecting it here
> it should be fwnode_handle anyways.
>
> Signed-off-by: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
Applied on mvebu/arm
Thanks,
Gregory
> ---
> v2: wrapped to 80 limit (Russell)
> arch/arm/mach-dove/irq.c | 6 +++---
> arch/arm/mach-mv78xx0/irq.c | 3 +--
> arch/arm/mach-orion5x/irq.c | 2 +-
> arch/arm/plat-orion/gpio.c | 8 ++------
> arch/arm/plat-orion/include/plat/orion-gpio.h | 3 +--
> 5 files changed, 8 insertions(+), 14 deletions(-)
>
> diff --git a/arch/arm/mach-dove/irq.c b/arch/arm/mach-dove/irq.c
> index 31ccbcee2627..d36f6b8269c2 100644
> --- a/arch/arm/mach-dove/irq.c
> +++ b/arch/arm/mach-dove/irq.c
> @@ -73,12 +73,12 @@ void __init dove_init_irq(void)
> /*
> * Initialize gpiolib for GPIOs 0-71.
> */
> - orion_gpio_init(NULL, 0, 32, DOVE_GPIO_LO_VIRT_BASE, 0,
> + orion_gpio_init(0, 32, DOVE_GPIO_LO_VIRT_BASE, 0,
> IRQ_DOVE_GPIO_START, gpio0_irqs);
>
> - orion_gpio_init(NULL, 32, 32, DOVE_GPIO_HI_VIRT_BASE, 0,
> + orion_gpio_init(32, 32, DOVE_GPIO_HI_VIRT_BASE, 0,
> IRQ_DOVE_GPIO_START + 32, gpio1_irqs);
>
> - orion_gpio_init(NULL, 64, 8, DOVE_GPIO2_VIRT_BASE, 0,
> + orion_gpio_init(64, 8, DOVE_GPIO2_VIRT_BASE, 0,
> IRQ_DOVE_GPIO_START + 64, gpio2_irqs);
> }
> diff --git a/arch/arm/mach-mv78xx0/irq.c b/arch/arm/mach-mv78xx0/irq.c
> index 788569e960e1..0b5f055ca1c3 100644
> --- a/arch/arm/mach-mv78xx0/irq.c
> +++ b/arch/arm/mach-mv78xx0/irq.c
> @@ -67,7 +67,6 @@ void __init mv78xx0_init_irq(void)
> * registers for core #1 are at an offset of 0x18 from those of
> * core #0.)
> */
> - orion_gpio_init(NULL, 0, 32, GPIO_VIRT_BASE,
> - mv78xx0_core_index() ? 0x18 : 0,
> + orion_gpio_init(0, 32, GPIO_VIRT_BASE, mv78xx0_core_index() ? 0x18 : 0,
> IRQ_MV78XX0_GPIO_START, gpio0_irqs);
> }
> diff --git a/arch/arm/mach-orion5x/irq.c b/arch/arm/mach-orion5x/irq.c
> index ac4af2283bef..1ae775d02d90 100644
> --- a/arch/arm/mach-orion5x/irq.c
> +++ b/arch/arm/mach-orion5x/irq.c
> @@ -49,6 +49,6 @@ void __init orion5x_init_irq(void)
> /*
> * Initialize gpiolib for GPIOs 0-31.
> */
> - orion_gpio_init(NULL, 0, 32, GPIO_VIRT_BASE, 0,
> + orion_gpio_init(0, 32, GPIO_VIRT_BASE, 0,
> IRQ_ORION5X_GPIO_START, gpio0_irqs);
> }
> diff --git a/arch/arm/plat-orion/gpio.c b/arch/arm/plat-orion/gpio.c
> index 734f0be4f14a..3ef9ecdd6343 100644
> --- a/arch/arm/plat-orion/gpio.c
> +++ b/arch/arm/plat-orion/gpio.c
> @@ -516,8 +516,7 @@ static void orion_gpio_mask_irq(struct irq_data *d)
> irq_gc_unlock(gc);
> }
>
> -void __init orion_gpio_init(struct device_node *np,
> - int gpio_base, int ngpio,
> +void __init orion_gpio_init(int gpio_base, int ngpio,
> void __iomem *base, int mask_offset,
> int secondary_irq_base,
> int irqs[4])
> @@ -545,9 +544,6 @@ void __init orion_gpio_init(struct device_node *np,
> ochip->chip.base = gpio_base;
> ochip->chip.ngpio = ngpio;
> ochip->chip.can_sleep = 0;
> -#ifdef CONFIG_OF
> - ochip->chip.of_node = np;
> -#endif
> ochip->chip.dbg_show = orion_gpio_dbg_show;
>
> spin_lock_init(&ochip->lock);
> @@ -605,7 +601,7 @@ void __init orion_gpio_init(struct device_node *np,
> IRQ_NOREQUEST, IRQ_LEVEL | IRQ_NOPROBE);
>
> /* Setup irq domain on top of the generic chip. */
> - ochip->domain = irq_domain_add_legacy(np,
> + ochip->domain = irq_domain_add_legacy(NULL,
> ochip->chip.ngpio,
> ochip->secondary_irq_base,
> ochip->secondary_irq_base,
> diff --git a/arch/arm/plat-orion/include/plat/orion-gpio.h b/arch/arm/plat-orion/include/plat/orion-gpio.h
> index e856b073a9c8..25a2963e0e0f 100644
> --- a/arch/arm/plat-orion/include/plat/orion-gpio.h
> +++ b/arch/arm/plat-orion/include/plat/orion-gpio.h
> @@ -30,8 +30,7 @@ int orion_gpio_led_blink_set(struct gpio_desc *desc, int state,
> void orion_gpio_set_valid(unsigned pin, int mode);
>
> /* Initialize gpiolib. */
> -void __init orion_gpio_init(struct device_node *np,
> - int gpio_base, int ngpio,
> +void __init orion_gpio_init(int gpio_base, int ngpio,
> void __iomem *base, int mask_offset,
> int secondary_irq_base,
> int irq[4]);
> --
> 2.33.0
>
>
> _______________________________________________
> linux-arm-kernel mailing list
> linux-arm-kernel@...ts.infradead.org
> http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
--
Gregory Clement, Bootlin
Embedded Linux and Kernel engineering
http://bootlin.com
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