Re: [PATCH 0/8] mtd: nand: Support for new DT NAND driver

From: Lee Jones
Date: Wed Aug 20 2014 - 02:48:23 EST


On Tue, 19 Aug 2014, Brian Norris wrote:

> On Mon, Aug 18, 2014 at 09:39:53AM +0100, Lee Jones wrote:
> > On Thu, 14 Aug 2014, Brian Norris wrote:
> > > drivers/mtd/nand/stm_nand_bch.c: In function 'bch_calc_timing_registers':
> > > drivers/mtd/nand/stm_nand_bch.c:1022:6: warning: variable 'ren_half_off' set but not used [-Wunused-but-set-variable]
> > > drivers/mtd/nand/stm_nand_bch.c:1021:6: warning: variable 'ren_half_on' set but not used [-Wunused-but-set-variable]
> >
> > This I have never seen. I guess -Wunused-but-set-variable is normally
> > off. This issue has been present since the beginning of this endeavour
> > and exists in the original (internal) code.
>
> BTW, you can get extra warnings by building with the W=[123] option to
> the Makefile (e.g., 'make W=1').
>
> $ make help
> [...]
> make W=n [targets] Enable extra gcc checks, n=1,2,3 where
> 1: warnings which may be relevant and do not occur too often
> 2: warnings which occur quite often but may still be relevant
> 3: more obscure warnings, can most likely be ignored
> Multiple levels can be combined with W=12 or W=123

Already taken care of.

I will reply in more detail to your other (build warnings) email.

--
Lee Jones
Linaro STMicroelectronics Landing Team Lead
Linaro.org â Open source software for ARM SoCs
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