Re: [PATCH v2 6/6] staging: r8188eu: remove local BIT macro

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On Tue, Mar 15, 2022 at 09:50:41PM +0100, Martin Kaiser wrote:
> The r8188eu driver defines a local BIT(x) macro. Remove this local macro
> and use the one from include/linux/bits.h.
> 
> The global BIT macro returns an unsigned long value. Therefore, we have to
> cast DYNAMIC_BB_DYNAMIC_TXPWR to u32 explicitly. This define is used with
> the bitwise not operator.
> 
> Signed-off-by: Martin Kaiser <martin@xxxxxxxxx>
> ---
> v2:
>  - cast DYNAMIC_BB_DYNAMIC_TXPWR to u32, fix build error on 64-bit systems
> 
>  drivers/staging/r8188eu/include/rtw_mlme_ext.h | 2 +-
>  drivers/staging/r8188eu/include/wifi.h         | 7 +------
>  2 files changed, 2 insertions(+), 7 deletions(-)
> 
> diff --git a/drivers/staging/r8188eu/include/rtw_mlme_ext.h b/drivers/staging/r8188eu/include/rtw_mlme_ext.h
> index 0c555ea6719b..2b5089be5156 100644
> --- a/drivers/staging/r8188eu/include/rtw_mlme_ext.h
> +++ b/drivers/staging/r8188eu/include/rtw_mlme_ext.h
> @@ -34,7 +34,7 @@
>  /*  BB ODM section BIT 0-15 */
>  #define	DYNAMIC_BB_DIG				BIT(0)
>  #define	DYNAMIC_BB_RA_MASK			BIT(1)
> -#define	DYNAMIC_BB_DYNAMIC_TXPWR	BIT(2)
> +#define	DYNAMIC_BB_DYNAMIC_TXPWR	((u32)BIT(2))

That's really odd, why the cast for just one define?  Try fixing up
where this is used instead.

thanks,

greg k-h




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