Re: [PATCH v4 1/1] usb: ulpi: ulpi_init should be executed in subsys_initcall

From: Lu, Baolu
Date: Wed May 27 2015 - 20:50:27 EST




On 05/28/2015 12:53 AM, David Cohen wrote:
Hi,

On Tue, May 26, 2015 at 07:37:02PM -0700, Greg Kroah-Hartman wrote:
On Wed, May 27, 2015 at 09:45:37AM +0800, Lu Baolu wrote:
Phy drivers and the ulpi interface providers depend on the
registration of the ulpi bus. Ulpi registers the bus in
module_init(). This could cause unnecessary probe delays.
What do you mean by "probe delays"?
I believe he meant the bus users' probe delays. i.e. unnecessary
-EPROBE_DEFER happening on ulpi_drivers in case they're registered
before ulpi bus itself.

Is that correct, Baolu?

Yes.


Br, David
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