[PATCH] ARM: OMAP: PM: only register TWL with voltage layer when device is present

Premi, Sanjeev premi at ti.com
Fri Nov 18 12:58:14 EST 2011


> -----Original Message-----
> From: Hilman, Kevin 
> Sent: Friday, November 18, 2011 12:51 AM
> To: Premi, Sanjeev
> Cc: linux-omap at vger.kernel.org; 
> linux-arm-kernel at lists.infradead.org; Koyamangalath, Abhilash
> Subject: Re: [PATCH] ARM: OMAP: PM: only register TWL with 
> voltage layer when device is present
> 
> "Premi, Sanjeev" <premi at ti.com> writes:
> 
> [...]
> 
> >> 
> >> If PMIC is not TWL family, then I don't expect any functions in
> >> twl_common.c to be called.
> >
> > This is the reason I wanted to know if the check on ".irq" in the
> > patch is sufficient. If any PMIC requires & sets 
> "pmic_i2c_board_info.irq"
> > then both omap3_twl_init() and omap4_twl_init() will be called.
> 
> Only TWL PMICs should be calling these functions, as they are in code
> for TWL PMICs *only*.
> 
> If you have a non-TWL PMIC, then you should not be using the 
> omap_pmic_*
> functions.
> 
> Admittedly, these omap_pmic_* functions should be renamed to be clear
> that they are TWL specific.

Thanks. We also need mechanism - may be name - to identify the PMIC family
at this stage; and that should be used to select the corresponding init function.

~sanjeev

> 
> Kevin
> 


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