Re: [PATCH -next] edac: i82975x: remove set but not used variable 'dtype'

From: Borislav Petkov
Date: Tue Nov 06 2018 - 13:05:50 EST


On Thu, Nov 01, 2018 at 10:26:04AM +0800, YueHaibing wrote:
> Fixes gcc '-Wunused-but-set-variable' warning:
>
> drivers/edac/i82975x_edac.c:378:16: warning:
> variable âdtypeâ set but not used [-Wunused-but-set-variable]
>
> It never used since introduction in commit
> 084a4fccef39 ("edac: move dimm properties to struct dimm_info")
>
> Signed-off-by: YueHaibing <yuehaibing@xxxxxxxxxx>
> ---
> drivers/edac/i82975x_edac.c | 2 --
> 1 file changed, 2 deletions(-)
>
> diff --git a/drivers/edac/i82975x_edac.c b/drivers/edac/i82975x_edac.c
> index 892815e..ae0d8fa 100644
> --- a/drivers/edac/i82975x_edac.c
> +++ b/drivers/edac/i82975x_edac.c
> @@ -375,7 +375,6 @@ static void i82975x_init_csrows(struct mem_ctl_info *mci,
> u32 cumul_size, nr_pages;
> int index, chan;
> struct dimm_info *dimm;
> - enum dev_type dtype;
>
> last_cumul_size = 0;
>
> @@ -413,7 +412,6 @@ static void i82975x_init_csrows(struct mem_ctl_info *mci,
> * [0-7] for single-channel; i.e. csrow->nr_channels = 1
> * [0-3] for dual-channel; i.e. csrow->nr_channels = 2
> */
> - dtype = i82975x_dram_type(mch_window, index);

Please get rid of that silly function too and move the comment and the
assignment to the single place where it is done:

/*
* ECC is possible on i92975x ONLY with DEV_X8
*/
dimm->dtype = DEV_X8;


Thx.

--
Regards/Gruss,
Boris.

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