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usb: ulpi: ulpi_init should be executed in subsys_initcall 

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 bus users'
probe delays. i.e. unnecessary -EPROBE_DEFER happening on
ulpi_drivers in case they're registered before ulpi bus
itself.

Reported-by: Zhuo Qiuxu <qiuxu.zhuo@intel.com>
Signed-off-by: Lu Baolu <baolu.lu@linux.intel.com>
Acked-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
This commit is contained in:
Lu Baolu 2015-06-04 20:44:14 +08:00 committed by Felipe Balbi
parent 52721d9d33
commit 4696b8874d
1 changed files with 1 additions and 1 deletions
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2
drivers/usb/common/ulpi.c
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@ -242,7 +242,7 @@ static int __init ulpi_init(void)
{
return bus_register(&ulpi_bus);
}
module_init(ulpi_init);
subsys_initcall(ulpi_init);
static void __exit ulpi_exit(void)
{