linux-kernel - Re: [PATCH 1/1] iommu/arm-smmu-v3: Use DEFINE_RES

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Message-ID: <7f0b488d-f9b2-92b8-5914-2cef76b4d398@huawei.com>
Date:   Wed, 27 Jan 2021 10:05:50 +0800
From:   "Leizhen (ThunderTown)" <thunder.leizhen@...wei.com>
To:     Will Deacon <will@...nel.org>, Robin Murphy <robin.murphy@....com>,
        "Joerg Roedel" <joro@...tes.org>,
        linux-arm-kernel <linux-arm-kernel@...ts.infradead.org>,
        iommu <iommu@...ts.linux-foundation.org>,
        linux-kernel <linux-kernel@...r.kernel.org>
CC:     Jean-Philippe Brucker <jean-philippe@...aro.org>
Subject: Re: [PATCH 1/1] iommu/arm-smmu-v3: Use DEFINE_RES_MEM() to simplify
 code

I've sent another set of patches. https://lkml.org/lkml/2021/1/26/1065
If those patches are acceptable, then this one should be ignored.


On 2021/1/22 21:14, Zhen Lei wrote:
> No functional change.
> 
> Signed-off-by: Zhen Lei <thunder.leizhen@...wei.com>
> ---
>  drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c | 6 +-----
>  1 file changed, 1 insertion(+), 5 deletions(-)
> 
> diff --git a/drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c b/drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c
> index bca458c00e48a8b..f04c55a7503c790 100644
> --- a/drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c
> +++ b/drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c
> @@ -3479,11 +3479,7 @@ static int arm_smmu_set_bus_ops(struct iommu_ops *ops)
>  static void __iomem *arm_smmu_ioremap(struct device *dev, resource_size_t start,
>  				      resource_size_t size)
>  {
> -	struct resource res = {
> -		.flags = IORESOURCE_MEM,
> -		.start = start,
> -		.end = start + size - 1,
> -	};
> +	struct resource res = DEFINE_RES_MEM(start, size);
>  
>  	return devm_ioremap_resource(dev, &res);
>  }
>