linux-kernel - Re: [PATCH v3 06/17] staging: sm750fb: rename swI2CInit to sm750_sw_i2c

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Date:	Wed, 9 Sep 2015 23:03:20 +0300
From:	Mike Rapoport <mike.rapoport@...il.com>
To:	Greg Kroah-Hartman <greg@...ah.com>
Cc:	Sudip Mukherjee <sudipm.mukherjee@...il.com>,
	Teddy Wang <teddy.wang@...iconmotion.com>,
	Sudip Mukherjee <sudip@...torindia.org>,
	LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v3 06/17] staging: sm750fb: rename swI2CInit to
 sm750_sw_i2c_init

On Wed, Sep 09, 2015 at 11:41:20AM -0700, Greg Kroah-Hartman wrote:
> On Sun, Sep 06, 2015 at 09:17:56AM +0300, Mike Rapoport wrote:
> > Fix the checkpatch warning about CamelCase.
> > 
> > Signed-off-by: Mike Rapoport <mike.rapoport@...il.com>
> > ---
> >  drivers/staging/sm750fb/ddk750_sii164.c | 2 +-
> >  drivers/staging/sm750fb/ddk750_swi2c.c  | 2 +-
> >  drivers/staging/sm750fb/ddk750_swi2c.h  | 2 +-
> >  drivers/staging/sm750fb/sm750_hw.c      | 2 +-
> >  4 files changed, 4 insertions(+), 4 deletions(-)
> > 
> > diff --git a/drivers/staging/sm750fb/ddk750_sii164.c b/drivers/staging/sm750fb/ddk750_sii164.c
> > index 3d129aa..241b77b 100644
> > --- a/drivers/staging/sm750fb/ddk750_sii164.c
> > +++ b/drivers/staging/sm750fb/ddk750_sii164.c
> > @@ -132,7 +132,7 @@ long sii164InitChip(
> >  	/* Use fast mode. */
> >  	sm750_hw_i2c_init(1);
> >  #else
> > -	swI2CInit(DEFAULT_I2C_SCL, DEFAULT_I2C_SDA);
> > +	sm750_sw_i2c_init(DEFAULT_I2C_SCL, DEFAULT_I2C_SDA);
> 
> Hm, wait, "sw_"?  what is the difference between the hw and sw versions?

As far as I understood, the intention for HW is for using i2c
controller, and SW is for using gpio bit-bang

--
Sincerely yours,
Mike. 
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