On Wed, May 15, 2013 at 10:51:56AM +0100, Lee Jones wrote:
> The aim is to make the code that little more readable.
> 
> Cc: Vinod Koul <vinod.k...@intel.com>
> Cc: Dan Williams <d...@fb.com>
> Cc: Per Forlin <per.for...@stericsson.com>
> Cc: Rabin Vincent <ra...@rab.in>
> Signed-off-by: Lee Jones <lee.jo...@linaro.org>
Acked-by: Vinod Koul <vinod.k...@intel.com>

Hopefully all the BIT conversion in the driver are done in this

--
~Vinod
> ---
>  drivers/dma/ste_dma40_ll.c |   44 
> ++++++++++++++++++++++----------------------
>  1 file changed, 22 insertions(+), 22 deletions(-)
> 
> diff --git a/drivers/dma/ste_dma40_ll.c b/drivers/dma/ste_dma40_ll.c
> index 121c0ce..5ddd724 100644
> --- a/drivers/dma/ste_dma40_ll.c
> +++ b/drivers/dma/ste_dma40_ll.c
> @@ -20,28 +20,28 @@ void d40_log_cfg(struct stedma40_chan_cfg *cfg,
>       /* src is mem? -> increase address pos */
>       if (cfg->dir ==  DMA_MEM_TO_DEV ||
>           cfg->dir ==  DMA_MEM_TO_MEM)
> -             l1 |= 1 << D40_MEM_LCSP1_SCFG_INCR_POS;
> +             l1 |= BIT(D40_MEM_LCSP1_SCFG_INCR_POS);
>  
>       /* dst is mem? -> increase address pos */
>       if (cfg->dir ==  DMA_DEV_TO_MEM ||
>           cfg->dir ==  DMA_MEM_TO_MEM)
> -             l3 |= 1 << D40_MEM_LCSP3_DCFG_INCR_POS;
> +             l3 |= BIT(D40_MEM_LCSP3_DCFG_INCR_POS);
>  
>       /* src is hw? -> master port 1 */
>       if (cfg->dir ==  DMA_DEV_TO_MEM ||
>           cfg->dir ==  DMA_DEV_TO_DEV)
> -             l1 |= 1 << D40_MEM_LCSP1_SCFG_MST_POS;
> +             l1 |= BIT(D40_MEM_LCSP1_SCFG_MST_POS);
>  
>       /* dst is hw? -> master port 1 */
>       if (cfg->dir ==  DMA_MEM_TO_DEV ||
>           cfg->dir ==  DMA_DEV_TO_DEV)
> -             l3 |= 1 << D40_MEM_LCSP3_DCFG_MST_POS;
> +             l3 |= BIT(D40_MEM_LCSP3_DCFG_MST_POS);
>  
> -     l3 |= 1 << D40_MEM_LCSP3_DCFG_EIM_POS;
> +     l3 |= BIT(D40_MEM_LCSP3_DCFG_EIM_POS);
>       l3 |= cfg->dst_info.psize << D40_MEM_LCSP3_DCFG_PSIZE_POS;
>       l3 |= cfg->dst_info.data_width << D40_MEM_LCSP3_DCFG_ESIZE_POS;
>  
> -     l1 |= 1 << D40_MEM_LCSP1_SCFG_EIM_POS;
> +     l1 |= BIT(D40_MEM_LCSP1_SCFG_EIM_POS);
>       l1 |= cfg->src_info.psize << D40_MEM_LCSP1_SCFG_PSIZE_POS;
>       l1 |= cfg->src_info.data_width << D40_MEM_LCSP1_SCFG_ESIZE_POS;
>  
> @@ -58,39 +58,39 @@ void d40_phy_cfg(struct stedma40_chan_cfg *cfg, u32 
> *src_cfg, u32 *dst_cfg)
>       if ((cfg->dir == DMA_DEV_TO_MEM) ||
>           (cfg->dir == DMA_DEV_TO_DEV)) {
>               /* Set master port to 1 */
> -             src |= 1 << D40_SREG_CFG_MST_POS;
> +             src |= BIT(D40_SREG_CFG_MST_POS);
>               src |= D40_TYPE_TO_EVENT(cfg->dev_type);
>  
>               if (cfg->src_info.flow_ctrl == STEDMA40_NO_FLOW_CTRL)
> -                     src |= 1 << D40_SREG_CFG_PHY_TM_POS;
> +                     src |= BIT(D40_SREG_CFG_PHY_TM_POS);
>               else
>                       src |= 3 << D40_SREG_CFG_PHY_TM_POS;
>       }
>       if ((cfg->dir == DMA_MEM_TO_DEV) ||
>           (cfg->dir == DMA_DEV_TO_DEV)) {
>               /* Set master port to 1 */
> -             dst |= 1 << D40_SREG_CFG_MST_POS;
> +             dst |= BIT(D40_SREG_CFG_MST_POS);
>               dst |= D40_TYPE_TO_EVENT(cfg->dev_type);
>  
>               if (cfg->dst_info.flow_ctrl == STEDMA40_NO_FLOW_CTRL)
> -                     dst |= 1 << D40_SREG_CFG_PHY_TM_POS;
> +                     dst |= BIT(D40_SREG_CFG_PHY_TM_POS);
>               else
>                       dst |= 3 << D40_SREG_CFG_PHY_TM_POS;
>       }
>       /* Interrupt on end of transfer for destination */
> -     dst |= 1 << D40_SREG_CFG_TIM_POS;
> +     dst |= BIT(D40_SREG_CFG_TIM_POS);
>  
>       /* Generate interrupt on error */
> -     src |= 1 << D40_SREG_CFG_EIM_POS;
> -     dst |= 1 << D40_SREG_CFG_EIM_POS;
> +     src |= BIT(D40_SREG_CFG_EIM_POS);
> +     dst |= BIT(D40_SREG_CFG_EIM_POS);
>  
>       /* PSIZE */
>       if (cfg->src_info.psize != STEDMA40_PSIZE_PHY_1) {
> -             src |= 1 << D40_SREG_CFG_PHY_PEN_POS;
> +             src |= BIT(D40_SREG_CFG_PHY_PEN_POS);
>               src |= cfg->src_info.psize << D40_SREG_CFG_PSIZE_POS;
>       }
>       if (cfg->dst_info.psize != STEDMA40_PSIZE_PHY_1) {
> -             dst |= 1 << D40_SREG_CFG_PHY_PEN_POS;
> +             dst |= BIT(D40_SREG_CFG_PHY_PEN_POS);
>               dst |= cfg->dst_info.psize << D40_SREG_CFG_PSIZE_POS;
>       }
>  
> @@ -100,14 +100,14 @@ void d40_phy_cfg(struct stedma40_chan_cfg *cfg, u32 
> *src_cfg, u32 *dst_cfg)
>  
>       /* Set the priority bit to high for the physical channel */
>       if (cfg->high_priority) {
> -             src |= 1 << D40_SREG_CFG_PRI_POS;
> -             dst |= 1 << D40_SREG_CFG_PRI_POS;
> +             src |= BIT(D40_SREG_CFG_PRI_POS);
> +             dst |= BIT(D40_SREG_CFG_PRI_POS);
>       }
>  
>       if (cfg->src_info.big_endian)
> -             src |= 1 << D40_SREG_CFG_LBE_POS;
> +             src |= BIT(D40_SREG_CFG_LBE_POS);
>       if (cfg->dst_info.big_endian)
> -             dst |= 1 << D40_SREG_CFG_LBE_POS;
> +             dst |= BIT(D40_SREG_CFG_LBE_POS);
>  
>       *src_cfg = src;
>       *dst_cfg = dst;
> @@ -157,15 +157,15 @@ static int d40_phy_fill_lli(struct d40_phy_lli *lli,
>  
>       /* If this scatter list entry is the last one, no next link */
>       if (next_lli == 0)
> -             lli->reg_lnk = 0x1 << D40_SREG_LNK_PHY_TCP_POS;
> +             lli->reg_lnk = BIT(D40_SREG_LNK_PHY_TCP_POS);
>       else
>               lli->reg_lnk = next_lli;
>  
>       /* Set/clear interrupt generation on this link item.*/
>       if (term_int)
> -             lli->reg_cfg |= 0x1 << D40_SREG_CFG_TIM_POS;
> +             lli->reg_cfg |= BIT(D40_SREG_CFG_TIM_POS);
>       else
> -             lli->reg_cfg &= ~(0x1 << D40_SREG_CFG_TIM_POS);
> +             lli->reg_cfg &= ~BIT(D40_SREG_CFG_TIM_POS);
>  
>       /* Post link */
>       lli->reg_lnk |= 0 << D40_SREG_LNK_PHY_PRE_POS;
> -- 
> 1.7.10.4
> 
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majord...@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/

Reply via email to