linux-kernel - Re: [PATCH v2] ARM: imx: remove unused defines

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Message-ID: <20140516112414.GW5858@pengutronix.de>
Date:	Fri, 16 May 2014 13:24:14 +0200
From:	Sascha Hauer <s.hauer@...gutronix.de>
To:	Paul Bolle <pebolle@...cali.nl>, h@...gutronix.de
Cc:	Shawn Guo <shawn.guo@...escale.com>,
	Russell King <linux@....linux.org.uk>,
	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2] ARM: imx: remove unused defines

On Fri, May 16, 2014 at 11:09:29AM +0200, Paul Bolle wrote:
> None of the defines "for modules using static and dynamic DMA channels"
> are used. Remove these.
> 
> Signed-off-by: Paul Bolle <pebolle@...cali.nl>

Acked-by: Sascha Hauer <s.hauer@...gutronix.de>

Sascha

> ---
> 0) v1 was called "ARM: imx: remove check for CONFIG_SDMA_IRAM". This
> version just removes the entire block of defines, as Sascha suggested.
> 
> 1) Still untested.
> 
>  arch/arm/mach-imx/mx51.h | 33 ---------------------------------
>  1 file changed, 33 deletions(-)
> 
> diff --git a/arch/arm/mach-imx/mx51.h b/arch/arm/mach-imx/mx51.h
> index af844f76261a..3f6d4a674ffb 100644
> --- a/arch/arm/mach-imx/mx51.h
> +++ b/arch/arm/mach-imx/mx51.h
> @@ -145,39 +145,6 @@
>  #define MX51_SPBA_CTRL	0x3c
>  
>  /*
> - * Defines for modules using static and dynamic DMA channels
> - */
> -#define MX51_MXC_DMA_CHANNEL_IRAM	30
> -#define MX51_MXC_DMA_CHANNEL_SPDIF_TX	MXC_DMA_DYNAMIC_CHANNEL
> -#define MX51_MXC_DMA_CHANNEL_UART1_RX	MXC_DMA_DYNAMIC_CHANNEL
> -#define MX51_MXC_DMA_CHANNEL_UART1_TX	MXC_DMA_DYNAMIC_CHANNEL
> -#define MX51_MXC_DMA_CHANNEL_UART2_RX	MXC_DMA_DYNAMIC_CHANNEL
> -#define MX51_MXC_DMA_CHANNEL_UART2_TX	MXC_DMA_DYNAMIC_CHANNEL
> -#define MX51_MXC_DMA_CHANNEL_UART3_RX	MXC_DMA_DYNAMIC_CHANNEL
> -#define MX51_MXC_DMA_CHANNEL_UART3_TX	MXC_DMA_DYNAMIC_CHANNEL
> -#define MX51_MXC_DMA_CHANNEL_MMC1	MXC_DMA_DYNAMIC_CHANNEL
> -#define MX51_MXC_DMA_CHANNEL_MMC2	MXC_DMA_DYNAMIC_CHANNEL
> -#define MX51_MXC_DMA_CHANNEL_SSI1_RX	MXC_DMA_DYNAMIC_CHANNEL
> -#define MX51_MXC_DMA_CHANNEL_SSI1_TX	MXC_DMA_DYNAMIC_CHANNEL
> -#define MX51_MXC_DMA_CHANNEL_SSI2_RX	MXC_DMA_DYNAMIC_CHANNEL
> -#ifdef CONFIG_SDMA_IRAM
> -#define MX51_MXC_DMA_CHANNEL_SSI2_TX	(MX51_MXC_DMA_CHANNEL_IRAM + 1)
> -#else				/*CONFIG_SDMA_IRAM */
> -#define MX51_MXC_DMA_CHANNEL_SSI2_TX	MXC_DMA_DYNAMIC_CHANNEL
> -#endif				/*CONFIG_SDMA_IRAM */
> -#define MX51_MXC_DMA_CHANNEL_CSPI1_RX	MXC_DMA_DYNAMIC_CHANNEL
> -#define MX51_MXC_DMA_CHANNEL_CSPI1_TX	MXC_DMA_DYNAMIC_CHANNEL
> -#define MX51_MXC_DMA_CHANNEL_CSPI2_RX	MXC_DMA_DYNAMIC_CHANNEL
> -#define MX51_MXC_DMA_CHANNEL_CSPI2_TX	MXC_DMA_DYNAMIC_CHANNEL
> -#define MX51_MXC_DMA_CHANNEL_CSPI3_RX	MXC_DMA_DYNAMIC_CHANNEL
> -#define MX51_MXC_DMA_CHANNEL_CSPI3_TX	MXC_DMA_DYNAMIC_CHANNEL
> -#define MX51_MXC_DMA_CHANNEL_ATA_RX	MXC_DMA_DYNAMIC_CHANNEL
> -#define MX51_MXC_DMA_CHANNEL_ATA_TX	MXC_DMA_DYNAMIC_CHANNEL
> -#define MX51_MXC_DMA_CHANNEL_MEMORY	MXC_DMA_DYNAMIC_CHANNEL
> -
> -#define MX51_IS_MEM_DEVICE_NONSHARED(x)		0
> -
> -/*
>   * DMA request assignments
>   */
>  #define MX51_DMA_REQ_VPU		0
> -- 
> 1.9.0
> 
> 

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