[PATCH 03/32 v2] dmaengine: ste_dma40: Use the BIT macro to replace ugly '(1 << x)'s

[Linus Walleij]

On Thu, Apr 18, 2013 at 2:16 PM, Lee Jones <lee.jones at linaro.org> wrote:

> The aim is to make the code that little more readable.
>
> Cc: Vinod Koul <vinod.koul at intel.com>
> Cc: Dan Williams <djbw at fb.com>
> Cc: Per Forlin <per.forlin at stericsson.com>
> Cc: Rabin Vincent <rabin at rab.in>
> Acked-by: Arnd Bergmann <arnd at arndb.de>
> Signed-off-by: Lee Jones <lee.jones at linaro.org>
>
> diff --git a/drivers/dma/ste_dma40.c b/drivers/dma/ste_dma40.c
> index 3b83dee..ddf5ff1 100644
> --- a/drivers/dma/ste_dma40.c
> +++ b/drivers/dma/ste_dma40.c
> @@ -49,9 +49,9 @@
>  #define MAX_LCLA_ALLOC_ATTEMPTS 256
>
>  /* Bit markings for allocation map */
> -#define D40_ALLOC_FREE         (1 << 31)
> -#define D40_ALLOC_PHY          (1 << 30)
> -#define D40_ALLOC_LOG_FREE     0
> +#define D40_ALLOC_FREE         BIT(31)
> +#define D40_ALLOC_PHY          BIT(30)
> +#define D40_ALLOC_LOG_FREE     BIT(0)

No. 0 != BIT(0)

Please fix this...

Yours,
Linus Walleij