linux-kernel - Re: [RFC PATCH 1/6] mfd: omap-usb-host: move initialization to module

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Message-ID: <51C2F5C2.5040004@ti.com>
Date:	Thu, 20 Jun 2013 15:29:54 +0300
From:	Roger Quadros <rogerq@...com>
To:	<balbi@...com>
CC:	<stern@...land.harvard.edu>, <tony@...mide.com>,
	<ruslan.bilovol@...com>, <linux-usb@...r.kernel.org>,
	<linux-omap@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
	<linux-arm-kernel@...ts.infradead.org>,
	Samuel Ortiz <sameo@...ux.intel.com>
Subject: Re: [RFC PATCH 1/6] mfd: omap-usb-host: move initialization to module_init()

On 06/20/2013 03:07 PM, Felipe Balbi wrote:
> Hi,
> 
> On Wed, Jun 19, 2013 at 05:05:48PM +0300, Roger Quadros wrote:
>> We no longer need to be initialized in any particular order
>> so move driver initialization to the standard place i.e. module_init()
>>
>> CC: Samuel Ortiz <sameo@...ux.intel.com>
>> Signed-off-by: Roger Quadros <rogerq@...com>
>> ---
>>  drivers/mfd/omap-usb-host.c |   10 +---------
>>  drivers/mfd/omap-usb-tll.c  |    8 +-------
>>  2 files changed, 2 insertions(+), 16 deletions(-)
>>
>> diff --git a/drivers/mfd/omap-usb-host.c b/drivers/mfd/omap-usb-host.c
>> index 759fae3..6601a49 100644
>> --- a/drivers/mfd/omap-usb-host.c
>> +++ b/drivers/mfd/omap-usb-host.c
>> @@ -908,15 +908,7 @@ static int __init omap_usbhs_drvinit(void)
>>  {
>>  	return platform_driver_probe(&usbhs_omap_driver, usbhs_omap_probe);
>>  }
>> -
>> -/*
>> - * init before ehci and ohci drivers;
>> - * The usbhs core driver should be initialized much before
>> - * the omap ehci and ohci probe functions are called.
>> - * This usbhs core driver should be initialized after
>> - * usb tll driver
>> - */
>> -fs_initcall_sync(omap_usbhs_drvinit);
>> +module_init(omap_usbhs_drvinit);
>>  
>>  static void __exit omap_usbhs_drvexit(void)
>>  {
>> diff --git a/drivers/mfd/omap-usb-tll.c b/drivers/mfd/omap-usb-tll.c
>> index e59ac4c..fb7c73e 100644
>> --- a/drivers/mfd/omap-usb-tll.c
>> +++ b/drivers/mfd/omap-usb-tll.c
>> @@ -482,13 +482,7 @@ static int __init omap_usbtll_drvinit(void)
>>  {
>>  	return platform_driver_register(&usbtll_omap_driver);
>>  }
>> -
>> -/*
>> - * init before usbhs core driver;
>> - * The usbtll driver should be initialized before
>> - * the usbhs core driver probe function is called.
>> - */
>> -fs_initcall(omap_usbtll_drvinit);
>> +module_init(omap_usbtll_drvinit);
> 
> since you're doing that, could just move to module_platform_driver.
> 
sounds good.

cheers,
-roger
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