From: Julien Grall <julien@xen.org>
To: Stefano Stabellini <sstabellini@kernel.org>
Cc: xen-devel@lists.xenproject.org, bertrand.marquis@arm.com,
Julien Grall <jgrall@amazon.com>,
Volodymyr Babchuk <Volodymyr_Babchuk@epam.com>
Subject: Re: [PATCH v2] xen/iommu: smmu: Silence clang in arm_smmu_device_dt_probe()
Date: Tue, 13 Apr 2021 18:58:53 +0100 [thread overview]
Message-ID: <022a088a-b4ed-2d37-97bf-edd580b4389f@xen.org> (raw)
In-Reply-To: <alpine.DEB.2.21.2104061502010.31460@sstabellini-ThinkPad-T480s>
Hi Stefano,
On 06/04/2021 23:02, Stefano Stabellini wrote:
> On Fri, 2 Apr 2021, Julien Grall wrote:
>> From: Julien Grall <jgrall@amazon.com>
>>
>> Clang 11 will throw the following error:
>>
>> smmu.c:2284:18: error: cast to smaller integer type 'enum arm_smmu_arch_version' from 'const void *' [-Werror,-Wvoid-pointer-to-enum-cast]
>> smmu->version = (enum arm_smmu_arch_version)of_id->data;
>> ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>>
>> The error can be prevented by initially casting to (uintptr_t) and then
>> enum.
>>
>> Signed-off-by: Julien Grall <jgrall@amazon.com>
>
> Acked-by: Stefano Stabellini <sstabellini@kernel.org>
Thanks! I have committed the patch.
Cheers,
--
Julien Grall
prev parent reply other threads:[~2021-04-13 17:59 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-04-02 15:51 [PATCH v2] xen/iommu: smmu: Silence clang in arm_smmu_device_dt_probe() Julien Grall
2021-04-06 22:02 ` Stefano Stabellini
2021-04-13 17:58 ` Julien Grall [this message]
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