Re: [PATCH 2/2] I2C: Implement DMA support into mxs-i2c

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On Tue, May 01, 2012 at 04:02:56PM +0200, Marek Vasut wrote:
> Dear Shawn Guo,
> 
> > On Mon, Apr 30, 2012 at 11:01:08PM +0200, Wolfram Sang wrote:
> > > > > > It complains that data might be undefined, do you want it in a
> > > > > > separate patch then ?
> > > > > 
> > > > > Yes, but only if you can prove that the compiler is right.
> > > > 
> > > > It's not right, because that variable is always initialized, but this
> > > > at least squashes the compile warning.
> > > 
> > > The compiler needs to be fixed, not the kernel.
> 
> I second this.
> 
I agree on this too.

> > Heh, this is coming up again.  I'm not convincing you to take the
> > change, but just curious what if this is not a compile warning but
> > an error for the same cause that compiler is not right.
> 
> Can you elaborate?
> 
Will we have the kernel not compilable for a few cycles until the
compiler fixing is available, or we work it around to keep kernel
compiling and working before we have the compiler fixed?

-- 
Regards,
Shawn
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