From: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
To: Sam Protsenko <semen.protsenko@linaro.org>,
Marek Szyprowski <m.szyprowski@samsung.com>
Cc: Joerg Roedel <joro@8bytes.org>, Will Deacon <will@kernel.org>,
Robin Murphy <robin.murphy@arm.com>,
Janghyuck Kim <janghyuck.kim@samsung.com>,
Cho KyongHo <pullip.cho@samsung.com>,
Daniel Mentz <danielmentz@google.com>,
David Virag <virag.david003@gmail.com>,
Sumit Semwal <sumit.semwal@linaro.org>,
iommu@lists.linux.dev, linux-arm-kernel@lists.infradead.org,
linux-samsung-soc@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH v2 3/7] iommu/exynos: Set correct dma mask for SysMMU v5+
Date: Tue, 12 Jul 2022 18:21:06 +0200 [thread overview]
Message-ID: <8fccb0fd-a7ea-dc2c-5604-eef3c93f0397@linaro.org> (raw)
In-Reply-To: <20220710230603.13526-4-semen.protsenko@linaro.org>
On 11/07/2022 01:05, Sam Protsenko wrote:
> SysMMU v5+ supports 36 bit physical address space. Set corresponding DMA
> mask to avoid falling back to SWTLBIO usage in dma_map_single() because
> of failed dma_capable() check.
>
> The original code for this fix was suggested by Marek.
>
> Signed-off-by: Sam Protsenko <semen.protsenko@linaro.org>
> Co-developed-by: Marek Szyprowski <m.szyprowski@samsung.com>
> Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Best regards,
Krzysztof
next prev parent reply other threads:[~2022-07-12 16:21 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-07-10 23:05 [PATCH v2 0/7] iommu/exynos: Add basic support for SysMMU v7 Sam Protsenko
2022-07-10 23:05 ` [PATCH v2 1/7] iommu/exynos: Reuse SysMMU constants for page size and order Sam Protsenko
2022-07-12 15:39 ` Marek Szyprowski
2022-07-12 16:19 ` Krzysztof Kozlowski
2022-07-10 23:05 ` [PATCH v2 2/7] iommu/exynos: Handle failed IOMMU device registration properly Sam Protsenko
2022-07-12 15:40 ` Marek Szyprowski
2022-07-12 16:20 ` Krzysztof Kozlowski
2022-07-10 23:05 ` [PATCH v2 3/7] iommu/exynos: Set correct dma mask for SysMMU v5+ Sam Protsenko
2022-07-12 16:21 ` Krzysztof Kozlowski [this message]
2022-07-10 23:06 ` [PATCH v2 4/7] iommu/exynos: Use lookup based approach to access registers Sam Protsenko
2022-07-12 15:43 ` Marek Szyprowski
2022-07-12 16:24 ` Robin Murphy
2022-07-14 13:11 ` Sam Protsenko
2022-07-12 16:52 ` Krzysztof Kozlowski
2022-07-14 13:15 ` Sam Protsenko
2022-07-10 23:06 ` [PATCH v2 5/7] iommu/exynos: Check if SysMMU v7 has VM registers Sam Protsenko
2022-07-12 15:47 ` Marek Szyprowski
2022-07-14 13:25 ` Sam Protsenko
2022-07-10 23:06 ` [PATCH v2 6/7] iommu/exynos: Add SysMMU v7 register sets Sam Protsenko
2022-07-12 17:00 ` Robin Murphy
2022-07-14 13:57 ` Sam Protsenko
2022-07-10 23:06 ` [PATCH v2 7/7] iommu/exynos: Enable default VM instance on SysMMU v7 Sam Protsenko
2022-07-12 15:53 ` Marek Szyprowski
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