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From: Sylvain Rochet <sylvain.rochet@finsecur.com>
To: Wenyou Yang <wenyou.yang@atmel.com>
Cc: nicolas.ferre@atmel.com, linux@arm.linux.org.uk,
	linux-kernel@vger.kernel.org,
	alexandre.belloni@free-electrons.com, peda@axentia.se,
	linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH 07/12] pm: at91: the standby mode uses the same sram function as the suspend to memory mode
Date: Fri, 23 Jan 2015 17:50:20 +0100	[thread overview]
Message-ID: <20150123165020.GA24210@gradator.net> (raw)
In-Reply-To: <1421741825-18226-8-git-send-email-wenyou.yang@atmel.com>

Hello Wenyou,


On Tue, Jan 20, 2015 at 04:17:00PM +0800, Wenyou Yang wrote:
> 
> diff --git a/arch/arm/mach-at91/pm.c b/arch/arm/mach-at91/pm.c
> index 691e6db..a1010f0 100644
> --- a/arch/arm/mach-at91/pm.c
> +++ b/arch/arm/mach-at91/pm.c


> @@ -145,62 +145,51 @@ extern void at91_slow_clock(void __iomem *pmc, void __iomem *ramc0,
>  			    void __iomem *ramc1, int memctrl);
>  extern u32 at91_slow_clock_sz;
>  
> +static void at91_pm_suspend(suspend_state_t state)
> +{
      (...)
> +	slow_clock(at91_pmc_base, at91_ramc_base[0],
> +			at91_ramc_base[1], pm_data);
> +}


> -			if (slow_clock) {
> -				slow_clock(at91_pmc_base, at91_ramc_base[0],
> -					   at91_ramc_base[1],
> -					   at91_pm_data.memctrl);
      (...)
> +               at91_pm_suspend(state);


By doing that you removed the condition "if (slow_clock)".

But slow_clock can still be NULL, see commit d2e4679, there are multiple 
reasons which ends up with a NULL slow_clock.


Sylvain

  parent reply	other threads:[~2015-01-23 16:50 UTC|newest]

Thread overview: 28+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-01-20  8:16 [PATCH 00/12] AT91 pm cleanup for 3.20 Wenyou Yang
2015-01-20  8:16 ` [PATCH 01/12] pm: at91: pm_slowclock: improve reliability of suspend/resume Wenyou Yang
2015-01-20  8:16 ` [PATCH 02/12] pm: at91: Workaround DDRSDRC self-refresh bug with LPDDR1 memories Wenyou Yang
2015-01-20  8:16 ` [PATCH 03/12] pm: at91: pm_slowclock: remove the unused code related with SLOWDOWN_MASTER_CLOCK Wenyou Yang
2015-01-20  8:16 ` [PATCH 04/12] pm: at91: move the copying the sram function to the sram initializationi phase Wenyou Yang
2015-01-20  8:16 ` [PATCH 05/12] ARM: at91: move select SRAM to ARCH_AT91 Wenyou Yang
2015-01-23 10:24   ` Alexandre Belloni
2015-01-26  1:10     ` Yang, Wenyou
2015-01-20  8:16 ` [PATCH 06/12] pm: at91: remove the config item CONFIG_AT91_SLOW_CLOCK Wenyou Yang
2015-01-20  8:17 ` [PATCH 07/12] pm: at91: the standby mode uses the same sram function as the suspend to memory mode Wenyou Yang
2015-01-23 10:30   ` Alexandre Belloni
2015-01-23 16:50   ` Sylvain Rochet [this message]
2015-01-23 23:13     ` Alexandre Belloni
2015-01-27  3:08       ` Yang, Wenyou
2015-01-23 17:32   ` Sylvain Rochet
2015-01-23 23:02     ` Alexandre Belloni
2015-01-26  3:08       ` Yang, Wenyou
2015-01-26  3:06     ` Yang, Wenyou
2015-01-20  8:17 ` [PATCH 08/12] pm: at91: rename file name: pm_slowclock.S -->pm_suspend.S Wenyou Yang
2015-01-23 19:17   ` Sylvain Rochet
2015-01-23 23:17     ` Alexandre Belloni
2015-01-25 13:30       ` Sylvain Rochet
2015-01-26  1:25     ` Yang, Wenyou
2015-01-20  8:17 ` [PATCH 09/12] pm: at91: rename function name: at91_slow_clock()-->at91_pm_suspend_sram_fn Wenyou Yang
2015-01-20  8:24 ` Wenyou Yang
2015-01-20  8:24 ` [PATCH 10/12] pm: at91: remove the at91_xxx_standby() function definitions in the pm.h Wenyou Yang
2015-01-20  8:25 ` [PATCH 11/12] pm: at91: remove the struct ramc_ids .data at91_xxx_standby members Wenyou Yang
2015-01-20  8:26 ` [PATCH 12/12] pm: at91: amend the pm_suspend entry for at91_cpuidle_device Wenyou Yang

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