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From: santosh.shilimkar@ti•com (Santosh Shilimkar)
To: linux-arm-kernel@lists•infradead.org
Subject: [PATCH v3 1/2] usb: dwc3: Add Keystone specific glue layer
Date: Thu, 12 Dec 2013 14:36:01 -0500	[thread overview]
Message-ID: <52AA1021.2010505@ti.com> (raw)
In-Reply-To: <20131212174838.GE1939@saruman.home>

On Thursday 12 December 2013 12:48 PM, Felipe Balbi wrote:
> Hi,
> 
> On Tue, Dec 10, 2013 at 10:11:36AM -0500, Santosh Shilimkar wrote:
>>>> +static int kdwc3_remove(struct platform_device *pdev)
>>>> +{
>>>> +	struct dwc3_keystone *kdwc = platform_get_drvdata(pdev);
>>>> +
>>>> +	kdwc3_disable_irqs(kdwc);
>>>> +	clk_disable_unprepare(kdwc->clk);
>>>
>>> I hope the clock isn't shared between core and wrapper, otherwise you
>>> could run into some troubles here. Can you confirm ?
>>>
>> Yes. the clock isn't shared. Thanks for taking care of other parts.
> 
> so clock for core is always running too ?
> 
I take that back. The clock is actually common so we should disable
it after removing the  kdwc3_remove_core() as you suggested.

You won't see issue since the  kdwc3_remove_core() not doing
any register access but moving the clock disable after
the core remove is right thing to do.

Regards,
Santosh

  reply	other threads:[~2013-12-12 19:36 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-12-09 22:17 [PATCH v3 0/2] Kesytone II USB host and PHY drivers WingMan Kwok
2013-12-09 22:17 ` [PATCH v3 1/2] usb: dwc3: Add Keystone specific glue layer WingMan Kwok
2013-12-10  2:51   ` Felipe Balbi
2013-12-10 15:11     ` Santosh Shilimkar
2013-12-12 17:48       ` Felipe Balbi
2013-12-12 19:36         ` Santosh Shilimkar [this message]
2013-12-12 19:41           ` Felipe Balbi
2013-12-12 19:52             ` Santosh Shilimkar
2013-12-09 22:17 ` [PATCH v3 2/2] usb: phy: Add keystone usb phy driver WingMan Kwok
2013-12-10  2:54   ` Felipe Balbi
2013-12-10 15:14     ` Santosh Shilimkar
2013-12-12 17:20       ` Kwok, WingMan
2013-12-12 17:47         ` Felipe Balbi
2013-12-10  3:09   ` Roger Quadros
2013-12-12 17:24     ` Kwok, WingMan
2013-12-10  4:47   ` Felipe Balbi
2013-12-10 15:17     ` Santosh Shilimkar

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