linux-kernel - Re: [PATCH v7 17/20] memory: emif: Use kernel_can_power

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Message-ID: <2b603d3d-c6c1-13d7-8f77-042317a41d00@collabora.com>
Date:   Tue, 12 Apr 2022 12:56:46 +0300
From:   Dmitry Osipenko <dmitry.osipenko@...labora.com>
To:     Thierry Reding <thierry.reding@...il.com>,
        Jonathan Hunter <jonathanh@...dia.com>,
        Russell King <linux@...linux.org.uk>,
        Catalin Marinas <catalin.marinas@....com>,
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        Thomas Bogendoerfer <tsbogend@...ha.franken.de>,
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        Santosh Shilimkar <ssantosh@...nel.org>,
        Krzysztof Kozlowski <krzk@...nel.org>,
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Cc:     linux-kernel@...r.kernel.org, linux-csky@...r.kernel.org,
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Subject: Re: [PATCH v7 17/20] memory: emif: Use kernel_can_power_off()


On 4/12/22 02:38, Dmitry Osipenko wrote:
> Replace legacy pm_power_off with kernel_can_power_off() helper that
> is aware about chained power-off handlers.
> 
> Signed-off-by: Dmitry Osipenko <dmitry.osipenko@...labora.com>
> ---
>  drivers/memory/emif.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/memory/emif.c b/drivers/memory/emif.c
> index edf3ba7447ed..fa6845313a43 100644
> --- a/drivers/memory/emif.c
> +++ b/drivers/memory/emif.c
> @@ -630,7 +630,7 @@ static irqreturn_t emif_threaded_isr(int irq, void *dev_id)
>  		dev_emerg(emif->dev, "SDRAM temperature exceeds operating limit.. Needs shut down!!!\n");
>  
>  		/* If we have Power OFF ability, use it, else try restarting */
> -		if (pm_power_off) {
> +		if (kernel_can_power_off()) {
>  			kernel_power_off();
>  		} else {
>  			WARN(1, "FIXME: NO pm_power_off!!! trying restart\n");

Adding ack from Krzysztof that he gave to v6. It's missing in v7 by
accident.

Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@...onical.com>