linux-kernel - Re: [PATCH v3 4/5] sound: pci: ctxfi: cthw20k2.c: sparse warning of incorrect type

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Date:	Mon, 22 Sep 2014 13:39:56 +0530
From:	Sudip Mukherjee <sudipm.mukherjee@...il.com>
To:	Takashi Iwai <tiwai@...e.de>
Cc:	Jaroslav Kysela <perex@...ex.cz>, alsa-devel@...a-project.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH v3 4/5] sound: pci: ctxfi: cthw20k2.c: sparse warning of
 incorrect type

On Mon, Sep 22, 2014 at 09:10:03AM +0200, Takashi Iwai wrote:
> At Sun, 21 Sep 2014 21:33:40 +0530,
> Sudip Mukherjee wrote:
> > 
> > fixed sparse warning of incorrect type (different address spaces)
> 
> Better to rather fix the type of hw.base_mem field.
> 
> Last but not least, try to align the subject line with other commits
> to this driver.  See git log and compare with yours.
> 
ok .. will do likewise.

thanks
sudip

> 
> thanks,
> 
> Takashi
> 
> > 
> > Signed-off-by: Sudip Mukherjee <sudip@...torindia.org>
> > ---
> >  sound/pci/ctxfi/cthw20k2.c | 6 +++---
> >  1 file changed, 3 insertions(+), 3 deletions(-)
> > 
> > diff --git a/sound/pci/ctxfi/cthw20k2.c b/sound/pci/ctxfi/cthw20k2.c
> > index 665eeb2..25ef60b 100644
> > --- a/sound/pci/ctxfi/cthw20k2.c
> > +++ b/sound/pci/ctxfi/cthw20k2.c
> > @@ -2112,7 +2112,7 @@ static int hw_card_shutdown(struct hw *hw)
> >  	hw->irq	= -1;
> >  
> >  	if (hw->mem_base)
> > -		iounmap((void *)hw->mem_base);
> > +		iounmap((void __iomem *)hw->mem_base);
> >  
> >  	hw->mem_base = (unsigned long)NULL;
> >  
> > @@ -2234,12 +2234,12 @@ static int hw_resume(struct hw *hw, struct card_conf *info)
> >  
> >  static u32 hw_read_20kx(struct hw *hw, u32 reg)
> >  {
> > -	return readl((void *)(hw->mem_base + reg));
> > +	return readl((void __iomem *)(hw->mem_base + reg));
> >  }
> >  
> >  static void hw_write_20kx(struct hw *hw, u32 reg, u32 data)
> >  {
> > -	writel(data, (void *)(hw->mem_base + reg));
> > +	writel(data, (void __iomem *)(hw->mem_base + reg));
> >  }
> >  
> >  static struct hw ct20k2_preset = {
> > -- 
> > 1.8.1.2
> > 
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