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From: marex@denx.de (Marek Vasut)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH 2/6] dma: mxs-dma: let dma_is_apbh and apbh_is_old take parameter
Date: Tue, 8 May 2012 01:37:00 +0200	[thread overview]
Message-ID: <201205080137.00184.marex@denx.de> (raw)
In-Reply-To: <1336400595-12964-3-git-send-email-shawn.guo@linaro.org>

Dear Shawn Guo,

> Let macros dma_is_apbh and apbh_is_old take mxs_dma as parameter
> to make the code easy to read.
> 
> Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
> ---
>  drivers/dma/mxs-dma.c |   24 ++++++++++++------------
>  1 files changed, 12 insertions(+), 12 deletions(-)
> 
> diff --git a/drivers/dma/mxs-dma.c b/drivers/dma/mxs-dma.c
> index bd27818..e801fbf 100644
> --- a/drivers/dma/mxs-dma.c
> +++ b/drivers/dma/mxs-dma.c
> @@ -38,10 +38,10 @@
> 
>  #define MXS_DMA_APBH		0
>  #define MXS_DMA_APBX		1
> -#define dma_is_apbh()		(mxs_dma->dev_id == MXS_DMA_APBH)
> +#define dma_is_apbh(mxs_dma)	(mxs_dma->dev_id == MXS_DMA_APBH)
> 
>  #define APBH_VERSION_LATEST	3
> -#define apbh_is_old()		(mxs_dma->version < APBH_VERSION_LATEST)
> +#define apbh_is_old(mxs_dma)	(mxs_dma->version < APBH_VERSION_LATEST)
> 
>  #define HW_APBHX_CTRL0				0x000
>  #define BM_APBH_CTRL0_APB_BURST8_EN		(1 << 29)
> @@ -54,10 +54,10 @@
>  #define HW_APBH_VERSION				(cpu_is_mx23() ? 0x3f0 : 
0x800)
>  #define HW_APBX_VERSION				0x800
>  #define BP_APBHX_VERSION_MAJOR			24
> -#define HW_APBHX_CHn_NXTCMDAR(n) \
> -	(((dma_is_apbh() && apbh_is_old()) ? 0x050 : 0x110) + (n) * 0x70)
> -#define HW_APBHX_CHn_SEMA(n) \
> -	(((dma_is_apbh() && apbh_is_old()) ? 0x080 : 0x140) + (n) * 0x70)
> +#define HW_APBHX_CHn_NXTCMDAR(d, n) \
> +	(((dma_is_apbh(d) && apbh_is_old(d)) ? 0x050 : 0x110) + (n) * 0x70)
> +#define HW_APBHX_CHn_SEMA(d, n) \
> +	(((dma_is_apbh(d) && apbh_is_old(d)) ? 0x080 : 0x140) + (n) * 0x70)

Well ... if you got rid of the above magic values, it'd be cool ;-)

Otherwise...
Acked-by: Marek Vasut <marex@denx.de>

Best regards,
Marek Vasut

  reply	other threads:[~2012-05-07 23:37 UTC|newest]

Thread overview: 19+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-05-07 14:23 [PATCH 0/6] Add device tree support for mxs-dma Shawn Guo
2012-05-07 14:23 ` [PATCH 1/6] dma: mxs-dma: use global stmp_device functionality Shawn Guo
2012-05-07 23:34   ` Marek Vasut
2012-05-07 14:23 ` [PATCH 2/6] dma: mxs-dma: let dma_is_apbh and apbh_is_old take parameter Shawn Guo
2012-05-07 23:37   ` Marek Vasut [this message]
2012-05-08 14:03     ` Shawn Guo
2012-05-09  8:40   ` Vinod Koul
2012-05-09  9:00     ` Marek Vasut
2012-05-09  9:02       ` Vinod Koul
2012-05-09  9:16         ` Marek Vasut
2012-05-09  9:32           ` Shawn Guo
2012-05-07 14:23 ` [PATCH 3/6] dma: mxs-dma: make platform_device_id more generic Shawn Guo
2012-05-07 23:38   ` Marek Vasut
2012-05-07 14:23 ` [PATCH 4/6] dma: mxs-dma: add device tree probe support Shawn Guo
2012-05-07 23:39   ` Marek Vasut
2012-05-07 14:23 ` [PATCH 5/6] ARM: mxs: do not add dma device by default Shawn Guo
2012-05-07 23:40   ` Marek Vasut
2012-05-07 14:23 ` [PATCH 6/6] ARM: mxs: add mxs-dma dt support Shawn Guo
2012-05-07 23:40   ` Marek Vasut

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