linux-kernel - Re: [PATCH 04/14] usb: phy: nop: Handle power supply regulator for the PHY

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <50EFDE44.9010108@ti.com>
Date:	Fri, 11 Jan 2013 11:41:24 +0200
From:	Roger Quadros <rogerq@...com>
To:	Sergei Shtylyov <sshtylyov@...sta.com>
CC:	<balbi@...com>, <gregkh@...uxfoundation.org>,
	<sameo@...ux.intel.com>, <tony@...mide.com>, <kishon@...com>,
	<linux-usb@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
	<linux-arm-kernel@...ts.infradead.org>
Subject: Re: [PATCH 04/14] usb: phy: nop: Handle power supply regulator for
 the PHY

On 01/10/2013 08:06 PM, Sergei Shtylyov wrote:
> Hello.
> 
> On 01/10/2013 07:51 PM, Roger Quadros wrote:
> 
>> We use "vcc" as the supply name for the PHY's power supply.
>> The power supply will be enabled during .init() and disabled
>> during .shutdown()
> 
>> Signed-off-by: Roger Quadros <rogerq@...com>
>> ---
>>  drivers/usb/otg/nop-usb-xceiv.c |   18 ++++++++++++++++++
>>  1 files changed, 18 insertions(+), 0 deletions(-)
> 
>> diff --git a/drivers/usb/otg/nop-usb-xceiv.c b/drivers/usb/otg/nop-usb-xceiv.c
>> index 163f972..1c6db10 100644
>> --- a/drivers/usb/otg/nop-usb-xceiv.c
>> +++ b/drivers/usb/otg/nop-usb-xceiv.c
> [...]
>> @@ -70,6 +72,11 @@ static int nop_init(struct usb_phy *phy)
>>  {
>>  	struct nop_usb_xceiv *nop = dev_get_drvdata(phy->dev);
>>  
>> +	if (nop->vcc) {
>> +		if (regulator_enable(nop->vcc))
>> +			dev_err(phy->dev, "Failed to enable power\n");
>> +	}
> 
>    Could be collapsed into single *if*.

Right.

> 
>> +
>>  	if (nop->clk)
>>  		clk_enable(nop->clk);
>>  
>> @@ -82,6 +89,11 @@ static void nop_shutdown(struct usb_phy *phy)
>>  
>>  	if (nop->clk)
>>  		clk_disable(nop->clk);
>> +
>> +	if (nop->vcc) {
>> +		if (regulator_disable(nop->vcc))
>> +			dev_err(phy->dev, "Failed to disable power\n");
>> +	}
> 
>    Same here.

OK. I'll fix them in next spin.

--cheers,
-roger
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/