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From: Marc Zyngier <marc.zyngier@arm.com>
To: Bartosz Golaszewski <brgl@bgdev.pl>, Sekhar Nori <nsekhar@ti.com>,
	Kevin Hilman <khilman@kernel.org>,
	Thomas Gleixner <tglx@linutronix.de>,
	Jason Cooper <jason@lakedaemon.net>,
	David Lechner <david@lechnology.com>
Cc: Bartosz Golaszewski <bgolaszewski@baylibre.com>,
	linux-kernel@vger.kernel.org,
	linux-arm-kernel@lists.infradead.org
Subject: Re: [RESEND PATCH v2 29/33] ARM: davinci: cp-intc: use readl/writel_relaxed()
Date: Mon, 11 Feb 2019 13:08:49 +0000
Message-ID: <2bf9393a-d747-2d86-f298-5f4cf899b85e@arm.com> (raw)
In-Reply-To: <20190211122606.8662-30-brgl@bgdev.pl>

On 11/02/2019 12:26, Bartosz Golaszewski wrote:
> From: Bartosz Golaszewski <bgolaszewski@baylibre.com>
> 
> Raplace all calls to __raw_readl() & __raw_writel() with readl_relaxed()
> and writel_relaxed() respectively. It's safe to do as there's no
> endianness conversion being done in the code.
> 
> Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
> ---
>  arch/arm/mach-davinci/cp_intc.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/arch/arm/mach-davinci/cp_intc.c b/arch/arm/mach-davinci/cp_intc.c
> index c1efb9390655..4bbf0eba1920 100644
> --- a/arch/arm/mach-davinci/cp_intc.c
> +++ b/arch/arm/mach-davinci/cp_intc.c
> @@ -45,13 +45,13 @@ static struct irq_domain *davinci_cp_intc_irq_domain;
>  
>  static inline unsigned int davinci_cp_intc_read(unsigned int offset)
>  {
> -	return __raw_readl(davinci_cp_intc_base + offset);
> +	return readl_relaxed(davinci_cp_intc_base + offset);
>  }
>  
>  static inline void davinci_cp_intc_write(unsigned long value,
>  					 unsigned int offset)
>  {
> -	__raw_writel(value, davinci_cp_intc_base + offset);
> +	writel_relaxed(value, davinci_cp_intc_base + offset);
>  }
>  
>  static void davinci_cp_intc_ack_irq(struct irq_data *d)
> 

Same thing. Please merge this patch with the one that introduced the
__raw_writel() stuff.

	M.
-- 
Jazz is not dead. It just smells funny...

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Thread overview: 49+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-02-11 12:25 [RESEND PATCH v2 00/33] ARM: davinci: modernize the irq support Bartosz Golaszewski
2019-02-11 12:25 ` [RESEND PATCH v2 01/33] ARM: davinci: remove intc_host_map from davinci_soc_info struct Bartosz Golaszewski
2019-02-11 12:25 ` [RESEND PATCH v2 02/33] ARM: davinci: aintc: use irq domain Bartosz Golaszewski
2019-02-12  8:26   ` Sekhar Nori
2019-02-11 12:25 ` [RESEND PATCH v2 03/33] ARM: davinci: select GENERIC_IRQ_MULTI_HANDLER Bartosz Golaszewski
2019-02-11 12:50   ` Marc Zyngier
2019-02-11 13:08     ` Bartosz Golaszewski
2019-02-11 12:25 ` [RESEND PATCH v2 04/33] ARM: davinci: remove davinci_intc_type Bartosz Golaszewski
2019-02-11 12:25 ` [RESEND PATCH v2 05/33] ARM: davinci: pull davinci_intc_base into the respective intc drivers Bartosz Golaszewski
2019-02-11 12:25 ` [RESEND PATCH v2 06/33] ARM: davinci: wrap HW interrupt numbers with a macro Bartosz Golaszewski
2019-02-11 12:25 ` [RESEND PATCH v2 07/33] ARM: davinci: select SPARSE_IRQ Bartosz Golaszewski
2019-02-11 12:25 ` [RESEND PATCH v2 08/33] ARM: davinci: make irqs.h a local header Bartosz Golaszewski
2019-02-12  8:31   ` Sekhar Nori
2019-02-11 12:25 ` [RESEND PATCH v2 09/33] ARM: davinci: aintc: drop GPL license boilerplate Bartosz Golaszewski
2019-02-11 12:25 ` [RESEND PATCH v2 10/33] ARM: davinci: aintc: wrap davinci_irq_init() with a helper Bartosz Golaszewski
2019-02-11 12:25 ` [RESEND PATCH v2 11/33] ARM: davinci: aintc: use a common prefix for symbols in the driver Bartosz Golaszewski
2019-02-11 12:25 ` [RESEND PATCH v2 12/33] ARM: davinci: aintc: drop the 00 prefix from register offsets Bartosz Golaszewski
2019-02-11 12:25 ` [RESEND PATCH v2 13/33] ARM: davinci: aintc: use readl/writel_relaxed() Bartosz Golaszewski
2019-02-11 12:54   ` Marc Zyngier
2019-02-11 12:25 ` [RESEND PATCH v2 14/33] irqchip: davinci-aintc: add a new config structure Bartosz Golaszewski
2019-02-11 12:25 ` [RESEND PATCH v2 15/33] ARM: davinci: aintc: use the new irqchip config structure in dm* SoCs Bartosz Golaszewski
2019-02-11 12:25 ` [RESEND PATCH v2 16/33] ARM: davinci: aintc: use the new config structure Bartosz Golaszewski
2019-02-11 12:25 ` [RESEND PATCH v2 17/33] ARM: davinci: aintc: move timer-specific irq_set_handler() out of irq.c Bartosz Golaszewski
2019-02-11 13:00   ` Marc Zyngier
2019-02-12  5:51     ` Sekhar Nori
2019-02-14 10:55       ` Marc Zyngier
2019-02-11 12:25 ` [RESEND PATCH v2 18/33] ARM: davinci: aintc: remove unnecessary includes Bartosz Golaszewski
2019-02-11 12:25 ` [RESEND PATCH v2 19/33] irqchip: davinci-aintc: move the driver to drivers/irqchip Bartosz Golaszewski
2019-02-11 12:25 ` [RESEND PATCH v2 20/33] ARM: davinci: cp-intc: remove cp_intc.h Bartosz Golaszewski
2019-02-11 12:25 ` [RESEND PATCH v2 21/33] ARM: davinci: cp-intc: add a wrapper around cp_intc_init() Bartosz Golaszewski
2019-02-11 12:25 ` [RESEND PATCH v2 22/33] irqchip: davinci-cp-intc: add a new config structure Bartosz Golaszewski
2019-02-11 12:25 ` [RESEND PATCH v2 23/33] ARM: davinci: cp-intc: add the new config structures for da8xx SoCs Bartosz Golaszewski
2019-02-11 12:25 ` [RESEND PATCH v2 24/33] ARM: davinci: cp-intc: use a common prefix for all symbols Bartosz Golaszewski
2019-02-11 12:25 ` [RESEND PATCH v2 25/33] ARM: davinci: cp-intc: convert all hex numbers to lowercase Bartosz Golaszewski
2019-02-11 12:25 ` [RESEND PATCH v2 26/33] ARM: davinci: cp-intc: use the new-style config structure Bartosz Golaszewski
2019-02-11 12:26 ` [RESEND PATCH v2 27/33] ARM: davinci: cp-intc: improve coding style Bartosz Golaszewski
2019-02-11 12:26 ` [RESEND PATCH v2 28/33] ARM: davinci: cp-intc: unify error handling Bartosz Golaszewski
2019-02-11 13:07   ` Marc Zyngier
2019-02-11 13:10     ` Bartosz Golaszewski
2019-02-11 13:20       ` Marc Zyngier
2019-02-11 12:26 ` [RESEND PATCH v2 29/33] ARM: davinci: cp-intc: use readl/writel_relaxed() Bartosz Golaszewski
2019-02-11 13:08   ` Marc Zyngier [this message]
2019-02-12  9:32     ` Bartosz Golaszewski
2019-02-11 12:26 ` [RESEND PATCH v2 30/33] ARM: davinci: cp-intc: drop GPL license boilerplate Bartosz Golaszewski
2019-02-11 12:26 ` [RESEND PATCH v2 31/33] ARM: davinci: cp-intc: remove redundant comments Bartosz Golaszewski
2019-02-11 12:26 ` [RESEND PATCH v2 32/33] irqchip: davinci-cp-intc: move the driver to drivers/irqchip Bartosz Golaszewski
2019-02-11 12:26 ` [RESEND PATCH v2 33/33] ARM: davinci: remove intc related fields from davinci_soc_info Bartosz Golaszewski
2019-02-12  8:24 ` [RESEND PATCH v2 00/33] ARM: davinci: modernize the irq support Sekhar Nori
2019-02-12  8:31   ` Bartosz Golaszewski

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