linux-kernel - Re: [PATCH v3 3/5] arcmsr: modifies codes for more readable

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Date:	Wed, 25 Nov 2015 13:00:37 +0100
From:	Johannes Thumshirn <jthumshirn@...e.de>
To:	Ching Huang <ching2048@...ca.com.tw>
Cc:	hch@....de, hch@...radead.org, thenzl@...hat.com,
	jbottomley@...allels.com, dan.carpenter@...cle.com,
	agordeev@...hat.com, linux-scsi@...r.kernel.org,
	linux-kernel@...r.kernel.org, hare@...e.de
Subject: Re: [PATCH v3 3/5] arcmsr: modifies codes for more readable

On Wed, 2015-11-25 at 19:45 +0800, Ching Huang wrote:
> From: Ching Huang <ching2048@...ca.com.tw>
> 
> Modifies codes for more readable
> 
> Signed-of-by: Ching Huang <ching2048@...ca.com.tw>
> 
> ---
> 
> diff -uprN a/drivers/scsi/arcmsr/arcmsr.h b/drivers/scsi/arcmsr/arcmsr.h
> --- a/drivers/scsi/arcmsr/arcmsr.h	2015-11-25 10:52:16.286470000 +0800
> +++ b/drivers/scsi/arcmsr/arcmsr.h	2015-11-25 19:10:21.309960000 +0800
> @@ -288,6 +288,9 @@ struct FIRMWARE_INFO
>  #define ARCMSR_MESSAGE_RBUFFER			      0x0000ff00
>  /* iop message_rwbuffer for message command */
>  #define ARCMSR_MESSAGE_RWBUFFER			      0x0000fa00
> +
> +#define MEM_BASE0(x)	(u32 __iomem *)((unsigned long)acb->mem_base0 +
> x)
> +#define MEM_BASE1(x)	(u32 __iomem *)((unsigned long)acb->mem_base1 +
> x)
>  /* 
>  ************************************************************************
>  **                SPEC. for Areca HBC adapter
> diff -uprN a/drivers/scsi/arcmsr/arcmsr_hba.c
> b/drivers/scsi/arcmsr/arcmsr_hba.c
> --- a/drivers/scsi/arcmsr/arcmsr_hba.c	2015-11-25 19:04:44.590970000
> +0800
> +++ b/drivers/scsi/arcmsr/arcmsr_hba.c	2015-11-25 19:11:27.679958000
> +0800
> @@ -2649,13 +2649,13 @@ static bool arcmsr_hbaB_get_config(struc
>  	acb->dma_coherent2 = dma_coherent;
>  	reg = (struct MessageUnit_B *)dma_coherent;
>  	acb->pmuB = reg;
> -	reg->drv2iop_doorbell= (uint32_t __iomem *)((unsigned long)acb-
> >mem_base0 + ARCMSR_DRV2IOP_DOORBELL);
> -	reg->drv2iop_doorbell_mask = (uint32_t __iomem *)((unsigned
> long)acb->mem_base0 + ARCMSR_DRV2IOP_DOORBELL_MASK);
> -	reg->iop2drv_doorbell = (uint32_t __iomem *)((unsigned long)acb-
> >mem_base0 + ARCMSR_IOP2DRV_DOORBELL);
> -	reg->iop2drv_doorbell_mask = (uint32_t __iomem *)((unsigned
> long)acb->mem_base0 + ARCMSR_IOP2DRV_DOORBELL_MASK);
> -	reg->message_wbuffer = (uint32_t __iomem *)((unsigned long)acb-
> >mem_base1 + ARCMSR_MESSAGE_WBUFFER);
> -	reg->message_rbuffer =  (uint32_t __iomem *)((unsigned long)acb-
> >mem_base1 + ARCMSR_MESSAGE_RBUFFER);
> -	reg->message_rwbuffer = (uint32_t __iomem *)((unsigned long)acb-
> >mem_base1 + ARCMSR_MESSAGE_RWBUFFER);
> +	reg->drv2iop_doorbell= MEM_BASE0(ARCMSR_DRV2IOP_DOORBELL);
> +	reg->drv2iop_doorbell_mask =
> MEM_BASE0(ARCMSR_DRV2IOP_DOORBELL_MASK);
> +	reg->iop2drv_doorbell = MEM_BASE0(ARCMSR_IOP2DRV_DOORBELL);
> +	reg->iop2drv_doorbell_mask =
> MEM_BASE0(ARCMSR_IOP2DRV_DOORBELL_MASK);
> +	reg->message_wbuffer = MEM_BASE1(ARCMSR_MESSAGE_WBUFFER);
> +	reg->message_rbuffer =  MEM_BASE1(ARCMSR_MESSAGE_RBUFFER);
> +	reg->message_rwbuffer = MEM_BASE1(ARCMSR_MESSAGE_RWBUFFER);
>  	iop_firm_model = (char __iomem *)(&reg->message_rwbuffer[15]);	
> /*firm_model,15,60-67*/
>  	iop_firm_version = (char __iomem *)(&reg->message_rwbuffer[17]);	
> /*firm_version,17,68-83*/
>  	iop_device_map = (char __iomem *)(&reg->message_rwbuffer[21]);	
> /*firm_version,21,84-99*/
> 
> 

Reviewed-by: Johannes Thumshirn <jthumshirn@...e.de>
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