From: Vinod Koul <vkoul@kernel.org>
To: Frank Li <Frank.Li@kernel.org>, Linus Walleij <linusw@kernel.org>
Cc: linux-arm-kernel@lists.infradead.org, dmaengine@vger.kernel.org,
linux-kernel@vger.kernel.org, kernel test robot <lkp@intel.com>
Subject: Re: [PATCH] dmaengine: ste_dma40: Preserve the LCPA I/O address space
Date: Sun, 11 Oct 2026 21:38:46 +0100 [thread overview]
Message-ID: <179175112609.604740.2384834135572859219.b4-ty@kernel.org> (raw)
In-Reply-To: <20261010-dma40-smatch-fix-v1-1-26ca10043957@kernel.org>
On Sat, 10 Oct 2026 00:58:53 +0200, Linus Walleij wrote:
> The LCPA area is mapped with devm_ioremap(), but lcpa_base and the
> per-channel lcpa pointer lack __iomem annotations. This loses the I/O
> address space and makes sparse warn when d40_current_addr() assigns
> LCPA register addresses to its __iomem pointers.
>
> Annotate both pointers and the LCPA argument of d40_log_lli_lcpa_write()
> to preserve the I/O address space from the mapping to the register
> accessors. This also fixes the existing LCPA read and write warnings
> without changing the generated code.
>
> [...]
Applied, thanks!
[1/1] dmaengine: ste_dma40: Preserve the LCPA I/O address space
commit: 42c31fec1ca76b8b5f7759def122d418dff2cd4b
Best regards,
--
~Vinod
prev parent reply other threads:[~2026-10-11 20:39 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-10-09 22:58 [PATCH] dmaengine: ste_dma40: Preserve the LCPA I/O address space Linus Walleij
2026-10-10 2:30 ` Frank Li
2026-10-11 20:38 ` Vinod Koul [this message]
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