linux-kernel - Re: [Resend PATCH 3/3] scsi:stex.c Add S3/S4 support

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Message-ID: <1454585845.16206.2.camel@suse.com>
Date:	Thu, 04 Feb 2016 12:37:25 +0100
From:	Oliver Neukum <oneukum@...e.com>
To:	Charles Chiou <ch1102chiou@...il.com>
Cc:	Johannes Thumshirn <jthumshirn@...e.de>,
	Christoph Hellwig <hch@...radead.org>,
	JBottomley@...allels.com, grace.chang@...promise.com,
	linus.chen@...promise.com, victor.p@...mise.com,
	linux-scsi@...r.kernel.org, linux-kernel@...r.kernel.org,
	eva.cheng@...promise.com
Subject: Re: [Resend PATCH 3/3] scsi:stex.c Add S3/S4 support

On Thu, 2016-02-04 at 19:22 +0800, Charles Chiou wrote:
> +static int stex_choice_sleep_mic(pm_message_t state)
> +{
> +    switch (state.event) {
> +    case PM_EVENT_SUSPEND:
> +        return ST_S3;
> +    case PM_EVENT_FREEZE:

Why do you react to PM_EVENT_FREEZE at all?
That is too early. You will get a HIBERNATE
event anyway. If the write out fails you are
in trouble if you already reacted to 
PM_EVENT_FREEZE

	Regards
		Oliver