linux-kernel - Re: [Patch] dma: remove DMA_xxBIT

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Date:	Thu, 16 Jun 2011 22:37:58 +0200
From:	Jiri Slaby <jslaby@...e.cz>
To:	Américo Wang <xiyou.wangcong@...il.com>
CC:	FUJITA Tomonori <fujita.tomonori@....ntt.co.jp>,
	Vinod Koul <vinod.koul@...el.com>,
	Dan Williams <dan.j.williams@...el.com>,
	linux-kernel@...r.kernel.org,
	Andrew Morton <akpm@...ux-foundation.org>
Subject: Re: [Patch] dma: remove DMA_xxBIT_MASK macros

On 06/16/2011 11:00 AM, Américo Wang wrote:
> 
> git grep shows there are no users in tree, so we can
> remove them safely.
> 
> Signed-off-by: WANG Cong <xiyou.wangcong@...il.com>
> Cc: FUJITA Tomonori <fujita.tomonori@....ntt.co.jp>

Oh, my __deprecated hack goes away. Nice :).

Acked-by: Jiri Slaby <jslaby@...e.cz>

> ---
>  Documentation/feature-removal-schedule.txt |    7 -------
>  include/linux/dma-mapping.h                |   21 ---------------------
>  2 files changed, 0 insertions(+), 28 deletions(-)
> 
> diff --git a/Documentation/feature-removal-schedule.txt b/Documentation/feature-removal-schedule.txt
> index 72e2384..8e2d816 100644
> --- a/Documentation/feature-removal-schedule.txt
> +++ b/Documentation/feature-removal-schedule.txt
> @@ -474,13 +474,6 @@ Who:	FUJITA Tomonori <fujita.tomonori@....ntt.co.jp>
>  
>  ----------------------------
>  
> -What: 	DMA_xxBIT_MASK macros
> -When:	Jun 2011
> -Why:	DMA_xxBIT_MASK macros were replaced with DMA_BIT_MASK() macros.
> -Who:	FUJITA Tomonori <fujita.tomonori@....ntt.co.jp>
> -
> -----------------------------
> -
>  What:	iwlwifi disable_hw_scan module parameters
>  When:	2.6.40
>  Why:	Hareware scan is the prefer method for iwlwifi devices for
> diff --git a/include/linux/dma-mapping.h b/include/linux/dma-mapping.h
> index ba8319a..dc77808 100644
> --- a/include/linux/dma-mapping.h
> +++ b/include/linux/dma-mapping.h
> @@ -54,27 +54,6 @@ struct dma_map_ops {
>  
>  #define DMA_BIT_MASK(n)	(((n) == 64) ? ~0ULL : ((1ULL<<(n))-1))
>  
> -typedef u64 DMA_nnBIT_MASK __deprecated;
> -
> -/*
> - * NOTE: do not use the below macros in new code and do not add new definitions
> - * here.
> - *
> - * Instead, just open-code DMA_BIT_MASK(n) within your driver
> - */
> -#define DMA_64BIT_MASK	(DMA_nnBIT_MASK)DMA_BIT_MASK(64)
> -#define DMA_48BIT_MASK	(DMA_nnBIT_MASK)DMA_BIT_MASK(48)
> -#define DMA_47BIT_MASK	(DMA_nnBIT_MASK)DMA_BIT_MASK(47)
> -#define DMA_40BIT_MASK	(DMA_nnBIT_MASK)DMA_BIT_MASK(40)
> -#define DMA_39BIT_MASK	(DMA_nnBIT_MASK)DMA_BIT_MASK(39)
> -#define DMA_35BIT_MASK	(DMA_nnBIT_MASK)DMA_BIT_MASK(35)
> -#define DMA_32BIT_MASK	(DMA_nnBIT_MASK)DMA_BIT_MASK(32)
> -#define DMA_31BIT_MASK	(DMA_nnBIT_MASK)DMA_BIT_MASK(31)
> -#define DMA_30BIT_MASK	(DMA_nnBIT_MASK)DMA_BIT_MASK(30)
> -#define DMA_29BIT_MASK	(DMA_nnBIT_MASK)DMA_BIT_MASK(29)
> -#define DMA_28BIT_MASK	(DMA_nnBIT_MASK)DMA_BIT_MASK(28)
> -#define DMA_24BIT_MASK	(DMA_nnBIT_MASK)DMA_BIT_MASK(24)
> -
>  #define DMA_MASK_NONE	0x0ULL
>  
>  static inline int valid_dma_direction(int dma_direction)
> --
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-- 
js
suse labs
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