linux-kernel - Re: [patch 2.6.28-rc3-git] twl4030-core: allow reading entire register banks

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Message-ID: <20081113215403.GJ3106@atomide.com>
Date:	Thu, 13 Nov 2008 13:54:03 -0800
From:	Tony Lindgren <tony@...mide.com>
To:	Samuel Ortiz <sameo@...nedhand.com>
Cc:	David Brownell <david-b@...bell.net>,
	lkml <linux-kernel@...r.kernel.org>, linux-omap@...r.kernel.org
Subject: Re: [patch 2.6.28-rc3-git] twl4030-core: allow reading entire
	register banks

* Samuel Ortiz <sameo@...nedhand.com> [081107 16:30]:
> On Fri, Nov 07, 2008 at 02:00:03PM -0800, David Brownell wrote:
> > From: David Brownell <dbrownell@...rs.sourceforge.net>
> > 
> > Minor change to the TWL4030 utility interface:  support reads
> > of all 256 bytes in each register bank (vs just 255).  This
> > can help when debugging, but is otherwise a NOP.
> Applied to my for-next branch.
> Thanks David.

Pushing also to linux-omap while waiting for this patch to fall down
from the mainline kernel.

Tony


> Cheers,
> Samuel.
> 
>  
> > Signed-off-by: David Brownell <dbrownell@...rs.sourceforge.net>
> > ---
> >  drivers/mfd/twl4030-core.c  |    4 ++--
> >  include/linux/i2c/twl4030.h |    4 ++--
> >  2 files changed, 4 insertions(+), 4 deletions(-)
> > 
> > --- a/drivers/mfd/twl4030-core.c
> > +++ b/drivers/mfd/twl4030-core.c
> > @@ -233,7 +233,7 @@ extern void twl4030_power_init(struct tw
> >   *
> >   * Returns the result of operation - 0 is success
> >   */
> > -int twl4030_i2c_write(u8 mod_no, u8 *value, u8 reg, u8 num_bytes)
> > +int twl4030_i2c_write(u8 mod_no, u8 *value, u8 reg, unsigned num_bytes)
> >  {
> >  	int ret;
> >  	int sid;
> > @@ -282,7 +282,7 @@ EXPORT_SYMBOL(twl4030_i2c_write);
> >   *
> >   * Returns result of operation - num_bytes is success else failure.
> >   */
> > -int twl4030_i2c_read(u8 mod_no, u8 *value, u8 reg, u8 num_bytes)
> > +int twl4030_i2c_read(u8 mod_no, u8 *value, u8 reg, unsigned num_bytes)
> >  {
> >  	int ret;
> >  	u8 val;
> > --- a/include/linux/i2c/twl4030.h
> > +++ b/include/linux/i2c/twl4030.h
> > @@ -78,8 +78,8 @@ int twl4030_i2c_read_u8(u8 mod_no, u8 *v
> >   * IMPORTANT:  For twl4030_i2c_write(), allocate num_bytes + 1
> >   * for the value, and populate your data starting at offset 1.
> >   */
> > -int twl4030_i2c_write(u8 mod_no, u8 *value, u8 reg, u8 num_bytes);
> > -int twl4030_i2c_read(u8 mod_no, u8 *value, u8 reg, u8 num_bytes);
> > +int twl4030_i2c_write(u8 mod_no, u8 *value, u8 reg, unsigned num_bytes);
> > +int twl4030_i2c_read(u8 mod_no, u8 *value, u8 reg, unsigned num_bytes);
> >  
> >  /*----------------------------------------------------------------------*/
> >  
> 
> -- 
> Intel Open Source Technology Centre
> http://oss.intel.com/
> --
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