linux-kernel - Re: [PATCH 2/2] sata highbank: add bit-banged SGPIO driver support

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Date:	Thu, 06 Jun 2013 07:14:08 -0500
From:	Mark Langsdorf <mark.langsdorf@...xeda.com>
To:	Tejun Heo <tj@...nel.org>
CC:	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"linux-ide@...r.kernel.org" <linux-ide@...r.kernel.org>,
	"grant.likely@...aro.org" <grant.likely@...aro.org>,
	Rob Herring <rob.herring@...xeda.com>,
	"devicetree-discuss@...ts.ozlabs.org" 
	<devicetree-discuss@...ts.ozlabs.org>
Subject: Re: [PATCH 2/2] sata highbank: add bit-banged SGPIO driver support

,On 06/05/2013 06:15 PM, Tejun Heo wrote:
> Hello,
> 
> On Wed, Jun 05, 2013 at 05:31:48PM -0500, Mark Langsdorf wrote:
>> +static void ecx_parse_sgpio(struct ecx_plat_data *pdata, u32 port, u32 state)
>> +{
>> +	if (state & ECX_ACTIVITY_BITS)
>> +		pdata->sgpio_pattern |= sgpio_bit_shift(pdata, port,
>> +						ECX_ACTIVITY_SHIFT);
>> +	else
>> +		pdata->sgpio_pattern &= sgpio_bit_shift(pdata, port,
>> +						ECX_ACTIVITY_SHIFT);
> 
> Shouldn't it be "&= ~" instead of "&="?  You're trying to turn the bit
> off, right?

Oops. Thanks!

--Mark Langsdorf
Calxeda, Inc.

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