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Date:   Tue, 10 Aug 2021 17:45:04 +0100
From:   Christoph Hellwig <hch@infradead.org>
To:     Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Cc:     linux-kernel@vger.kernel.org, Ard Biesheuvel <ardb@kernel.org>,
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        Robin Murphy <robin.murphy@arm.com>,
        Will Deacon <will@kernel.org>,
        Hanjun Guo <guohanjun@huawei.com>,
        Sudeep Holla <sudeep.holla@arm.com>,
        Catalin Marinas <catalin.marinas@arm.com>
Subject: Re: [PATCH v2 1/3] ACPI: osl: Add __force attribute in
 acpi_os_map_iomem() cast
Message-ID: <YRKtEDycefrZLB3X@infradead.org>
References: <20210726100026.12538-1-lorenzo.pieralisi@arm.com>
 <20210802152359.12623-2-lorenzo.pieralisi@arm.com>
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On Mon, Aug 02, 2021 at 04:23:57PM +0100, Lorenzo Pieralisi wrote:
> Add a __force attribute to the void* cast in acpi_os_map_iomem()
> to prevent sparse warnings.

Err, no.  These annotation are there for a reason and need to
be propagated instead.  And independent of that a __force cast
without a comment explaining it is a complete no-go.