Re: [PATCH 5/6] ACPI: Replace struct acpi_bus_ops with enum type

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On Mon, Dec 10, 2012 at 3:09 PM, Rafael J. Wysocki <rjw@xxxxxxx> wrote:
> On Monday, December 10, 2012 11:47:27 PM Rafael J. Wysocki wrote:
>> On Monday, December 10, 2012 09:07:06 AM Yinghai Lu wrote:
>> > On Mon, Dec 10, 2012 at 6:46 AM, Rafael J. Wysocki <rjw@xxxxxxx> wrote:
>> > > On Sunday, December 09, 2012 09:34:42 PM Yinghai Lu wrote:
>> > >>
>> > >> Can we expand the BUS_ADD_* concept to other devices instead of just
>> > >> acpi_device?
>> > >>
>> > >> aka we should let struct device has this add_type field.
>> > >
>> > > Having done that in ACPI to cover our use case here, we can try to move it
>> > > into struct device if there are use cases beyond ACPI that can't be covered
>> > > by using deferred driver probing.
>> >
>> > pci device for hotplug have same problem. need to delay driver attach
>> > for them too.
>>
>> OK, I'll take a look.  Any pointers to speed that up?
>>
>> > also BUS_ADD_MATCH and BUS_ADD_START are duplicated.
>>
>> Not at the moment, they do different things as code goes.
>>
>> > old add are separated to adding all devices to tree and then matching
>> > work to load the drivers.
>> >
>> > so _START is not needed anymore, only user.start in pci_root driver
>> > should be removed.
>> > code in .start could be moved .add without problem.
>>
>> Yes, I'm going to do that as the next step.  I didn't want this particular
>> patchset to grow too big.  I'll post another one on top of it if people
>> don't have problems with this one.
>
> By the way, can you please remind me where you wanted to put the
> pci_bus_add_devices() and why?
>

please check my for-pci-next branch at
http://git.kernel.org/?p=linux/kernel/git/yinghai/linux-yinghai.git;a=shortlog;h=refs/heads/for-pci-next

that includes delay loading acpi driver and pci driver.

http://git.kernel.org/?p=linux/kernel/git/yinghai/linux-yinghai.git;a=commitdiff;h=8c031eabbdc83dd4d93933b82d96b55d038bcb64
 PCI: prepare to use device drivers_autoprobe to delay attach drivers

http://git.kernel.org/?p=linux/kernel/git/yinghai/linux-yinghai.git;a=commitdiff;h=40a12dc8942a8ed02bfbf75ee1ffbfbdf1511b45
PCI: Use device_add for device and bus early

http://git.kernel.org/?p=linux/kernel/git/yinghai/linux-yinghai.git;a=commitdiff;h=8af9b4c250091c30afedeb2e7f14fca06997c811
ACPI: add drivers_autoprobe in struct acpi_device

http://git.kernel.org/?p=linux/kernel/git/yinghai/linux-yinghai.git;a=commitdiff;h=ae498e157e9dc8794932562b2f885ddc3a1a229a
 ACPI: use device drivers_autoprobe to delay loading acpi drivers

http://git.kernel.org/?p=linux/kernel/git/yinghai/linux-yinghai.git;a=commitdiff;h=6bee785b563a0b0e311e188321b1160593d5e6ee
 PCI, ACPI: Remove not used acpi_pci_root_start()

http://git.kernel.org/?p=linux/kernel/git/yinghai/linux-yinghai.git;a=commitdiff;h=f467a1cd18a07a250be8527b94612fd4a654fbd1
ACPI: remove acpi_op_start workaround
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