linux-kernel - Re: [Update][PATCH 6/9] ACPI / ATA: Add hotplug contexts to ACPI companions of SATA devices

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Date:	Fri, 21 Feb 2014 00:59:50 +0100
From:	"Rafael J. Wysocki" <rjw@...ysocki.net>
To:	Tejun Heo <tj@...nel.org>
Cc:	ACPI Devel Maling List <linux-acpi@...r.kernel.org>,
	Linux PCI <linux-pci@...r.kernel.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Bjorn Helgaas <bhelgaas@...gle.com>,
	Aaron Lu <aaron.lu@...el.com>
Subject: Re: [Update][PATCH 6/9] ACPI / ATA: Add hotplug contexts to ACPI companions of SATA devices

On Thursday, February 20, 2014 09:26:39 AM Tejun Heo wrote:
> On Thu, Feb 20, 2014 at 02:47:19AM +0100, Rafael J. Wysocki wrote:
> > From: Rafael J. Wysocki <rafael.j.wysocki@...el.com>
> > 
> > Modify the SATA subsystem to add hotplug contexts to ACPI companions
> > of SATA devices and ports instead of registering special ACPI dock
> > operations using register_hotplug_dock_device().
> > 
> > That change will allow the entire code handling those special ACPI
> > dock operations to be dropped in the next commit.
> > 
> > Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@...el.com>
> > ---
> > 
> > As noted by Aaron, the hotplug contexts are not freed during ATA device
> > unregistration, but that is not necessary, because the struct acpi_device
> > things they are attached to never go away.  However, they obviously should
> > not be created more than once per struct acpi_device, so I've modified the
> > patch to skip the creation of hotplug contexts for devices that already
> > have them.
> 
> Please feel free to route with the rest of acpi changes.

I will.

>  Acked-by: Tejun Heo <tj@...nel.org>

Thanks!

-- 
I speak only for myself.
Rafael J. Wysocki, Intel Open Source Technology Center.
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