[PATCH v2 08/10] TWL IRQ: Fix fucntion declaration warnings

G, Manjunath Kondaiah manjugk at ti.com
Mon Sep 27 09:10:08 EDT 2010


Hi Samuel,

> -----Original Message-----
> From: Samuel Ortiz [mailto:sameo at linux.intel.com] 
> Sent: Monday, September 27, 2010 4:46 PM
> To: G, Manjunath Kondaiah
> Cc: linux-omap at vger.kernel.org; 
> linux-arm-kernel at lists.infradead.org; Tony Lindgren; Menon, Nishanth
> Subject: Re: [PATCH v2 08/10] TWL IRQ: Fix fucntion 
> declaration warnings
> 
> Hi Manjunath,
> 
> On Tue, Sep 21, 2010 at 03:31:18PM +0530, G, Manjunath Kondaiah wrote:
> > Fixes following sparse warnings for twl4030 and twl6030 irq files.
> > 
> > drivers/mfd/twl4030-irq.c:783:5: warning: symbol 
> 'twl4030_init_irq' was not declared. Should it be static?
> > drivers/mfd/twl4030-irq.c:863:5: warning: symbol 
> 'twl4030_exit_irq' was not declared. Should it be static?
> > drivers/mfd/twl4030-irq.c:873:5: warning: symbol 
> 'twl4030_init_chip_irq' was not declared. Should it be static?
> > 
> > drivers/mfd/twl6030-irq.c:226:5: warning: symbol 
> 'twl6030_init_irq' was not declared. Should it be static?
> > drivers/mfd/twl6030-irq.c:290:5: warning: symbol 
> 'twl6030_exit_irq' was not declared. Should it be static?
> > 
> > Signed-off-by: G, Manjunath Kondaiah <manjugk at ti.com>
> > Cc: linux-arm-kernel at lists.infradead.org
> > Cc: Samuel Ortiz <sameo at linux.intel.com>
> > Cc: Tony Lindgren <tony at atomide.com>
> > Cc: Nishanth Menon <nm at ti.com>
> > ---
> >  include/linux/i2c/twl.h |    5 +++++
> >  1 files changed, 5 insertions(+), 0 deletions(-)
> > 
> > diff --git a/include/linux/i2c/twl.h 
> b/include/linux/i2c/twl.h index 
> > 6de90bf..c61e90a 100644
> > --- a/include/linux/i2c/twl.h
> > +++ b/include/linux/i2c/twl.h
> > @@ -172,6 +172,11 @@ int twl_i2c_read(u8 mod_no, u8 *value, u8 reg, 
> > unsigned num_bytes);
> >  
> >  int twl6030_interrupt_unmask(u8 bit_mask, u8 offset);  int 
> > twl6030_interrupt_mask(u8 bit_mask, u8 offset);
> > +int twl6030_init_irq(int irq_num, unsigned irq_base, unsigned 
> > +irq_end); int twl6030_exit_irq(void); int twl4030_init_irq(int 
> > +irq_num, unsigned irq_base, unsigned irq_end); int 
> > +twl4030_exit_irq(void); int twl4030_init_chip_irq(const 
> char *chip);
> No, we don't want to export those. Try defining them as 
> extern from twl*-irq.c.

Having extern in .c file will generate checkpatch warning as:
WARNING: externs should be avoided in .c files

-Manjunath


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