linux-kernel - Re: [PATCH 5/8] ARM: at91/clocksource: remove !DT PIT initializations

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Message-ID: <547F3AFC.2050400@atmel.com>
Date:	Wed, 3 Dec 2014 17:31:56 +0100
From:	Nicolas Ferre <nicolas.ferre@...el.com>
To:	Daniel Lezcano <daniel.lezcano@...aro.org>
CC:	Arnd Bergmann <arnd@...db.de>,
	Boris BREZILLON <boris.brezillon@...e-electrons.com>,
	Alexandre Belloni <alexandre.belloni@...e-electrons.com>,
	Jean-Christophe PLAGNIOL-VILLARD <plagnioj@...osoft.com>,
	Ludovic Desroches <ludovic.desroches@...el.com>,
	<linux-arm-kernel@...ts.infradead.org>,
	<linux-kernel@...r.kernel.org>, "Olof Johansson" <olof@...om.net>,
	<arm@...nel.org>, Maxime Ripard <maxime.ripard@...e-electrons.com>
Subject: Re: [PATCH 5/8] ARM: at91/clocksource: remove !DT PIT initializations

Le 02/12/2014 18:27, Nicolas Ferre a écrit :
> From: Arnd Bergmann <arnd@...db.de>
> 
> As AT91 !DT code is now removed, cleanup the PIT clocksource driver.
> 
> Signed-off-by: Arnd Bergmann <arnd@...db.de>
> [nicolas.ferre@...el.com: split patch]
> Signed-off-by: Nicolas Ferre <nicolas.ferre@...el.com>
> Cc: Maxime Ripard <maxime.ripard@...e-electrons.com>
> Cc: Boris BREZILLON <boris.brezillon@...e-electrons.com>
> Cc: Daniel Lezcano <daniel.lezcano@...aro.org>

Hi Daniel,

I plan to take this patch with me in a "cleanup" series and send it to
arm-soc soon. Do you think you can add your Acked-by tag?

I verified and there is no modification between Linus' tree and
linux-next: it should not conflict with anything queued on your side.

Bye,

> ---
>  arch/arm/mach-at91/generic.h          |  2 --
>  drivers/clocksource/timer-atmel-pit.c | 32 --------------------------------
>  2 files changed, 34 deletions(-)
> 
> diff --git a/arch/arm/mach-at91/generic.h b/arch/arm/mach-at91/generic.h
> index 8527e8bd675f..d53324210adf 100644
> --- a/arch/arm/mach-at91/generic.h
> +++ b/arch/arm/mach-at91/generic.h
> @@ -31,8 +31,6 @@ extern void __init at91_sysirq_mask_rtt(u32 rtt_base);
>  
>   /* Timer */
>  extern void at91rm9200_timer_init(void);
> -extern void at91sam926x_ioremap_pit(u32 addr);
> -extern void at91sam926x_pit_init(int irq);
>  
>  /* idle */
>  extern void at91sam9_idle(void);
> diff --git a/drivers/clocksource/timer-atmel-pit.c b/drivers/clocksource/timer-atmel-pit.c
> index d5289098b3df..b5b4d4585c9a 100644
> --- a/drivers/clocksource/timer-atmel-pit.c
> +++ b/drivers/clocksource/timer-atmel-pit.c
> @@ -262,35 +262,3 @@ static void __init at91sam926x_pit_dt_init(struct device_node *node)
>  }
>  CLOCKSOURCE_OF_DECLARE(at91sam926x_pit, "atmel,at91sam9260-pit",
>  		       at91sam926x_pit_dt_init);
> -
> -static void __iomem *pit_base_addr;
> -
> -void __init at91sam926x_pit_init(int irq)
> -{
> -	struct pit_data *data;
> -
> -	data = kzalloc(sizeof(*data), GFP_KERNEL);
> -	if (!data)
> -		panic(pr_fmt("Unable to allocate memory\n"));
> -
> -	data->base = pit_base_addr;
> -
> -	data->mck = clk_get(NULL, "mck");
> -	if (IS_ERR(data->mck))
> -		panic(pr_fmt("Unable to get mck clk\n"));
> -
> -	data->irq = irq;
> -
> -	at91sam926x_pit_common_init(data);
> -}
> -
> -void __init at91sam926x_ioremap_pit(u32 addr)
> -{
> -	if (of_have_populated_dt())
> -		return;
> -
> -	pit_base_addr = ioremap(addr, 16);
> -
> -	if (!pit_base_addr)
> -		panic(pr_fmt("Impossible to ioremap PIT\n"));
> -}
> 


-- 
Nicolas Ferre
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