linux-kernel - Re: [PATCH v3] ACPI/pci-bind: remove bind/unbind callbacks from acpi_device

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Date:	Sun, 16 Sep 2012 11:02:45 -0700
From:	Yinghai Lu <yinghai@...nel.org>
To:	Jiang Liu <liuj97@...il.com>
Cc:	Bjorn Helgaas <bhelgaas@...gle.com>,
	Jiang Liu <jiang.liu@...wei.com>,
	Kenji Kaneshige <kaneshige.kenji@...fujitsu.com>,
	Yijing Wang <wangyijing@...wei.com>,
	linux-kernel@...r.kernel.org, linux-pci@...r.kernel.org
Subject: Re: [PATCH v3] ACPI/pci-bind: remove bind/unbind callbacks from acpi_device_ops

On Sun, Sep 16, 2012 at 9:49 AM, Yinghai Lu <yinghai@...nel.org> wrote:
> On Sun, Sep 16, 2012 at 7:09 AM, Jiang Liu <liuj97@...il.com> wrote:
>> @@ -160,10 +160,13 @@ static int acpi_bind_one(struct device *dev, acpi_handle handle)
>>         }
>>         dev->archdata.acpi_handle = handle;
>>
>> -       acpi_pci_bind_notify(dev->archdata.acpi_handle, dev, true);
>> -
>>         status = acpi_bus_get_device(handle, &acpi_dev);
>> -       if (!ACPI_FAILURE(status)) {
>> +       if (!ACPI_FAILURE(status))
>> +               acpi_dev = NULL;
>> +
>> +       acpi_pci_bind_notify(dev->archdata.acpi_handle, acpi_dev, dev, true);
>
> It seems you can do
>     acpi_pci_bind_notify(acpi_dev, dev, true);
> instead.
>
> aka:
> Do you have test case acpi_dev is not created before pci device?
>

updated your patch, and retrieve handle if needed from acpi_dev->handle or
pci_dev->dev.archdata.acpi_handle.

Thanks

Yinghai

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