From: "Jernej Škrabec" <jernej.skrabec@gmail.com>
To: Joerg Roedel <joro@8bytes.org>, Will Deacon <will@kernel.org>,
iommu@lists.linux-foundation.org,
Samuel Holland <samuel@sholland.org>
Cc: Heiko Stuebner <heiko@sntech.de>,
Palmer Dabbelt <palmer@dabbelt.com>,
linux-riscv@lists.infradead.org,
Samuel Holland <samuel@sholland.org>,
Chen-Yu Tsai <wens@csie.org>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
Maxime Ripard <mripard@kernel.org>,
Philipp Zabel <p.zabel@pengutronix.de>,
Rob Herring <robh+dt@kernel.org>,
devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org, linux-sunxi@lists.linux.dev
Subject: Re: [PATCH 4/5] iommu/sun50i: Add support for the D1 variant
Date: Thu, 28 Apr 2022 07:34:59 +0200 [thread overview]
Message-ID: <2752686.88bMQJbFj6@jernej-laptop> (raw)
In-Reply-To: <20220428010401.11323-5-samuel@sholland.org>
Dne četrtek, 28. april 2022 ob 03:03:59 CEST je Samuel Holland napisal(a):
> D1 contains an IOMMU similar to the one in the H6 SoC, but the D1
> variant has no external reset signal. It also has some register
> definition changes, but none that affect the current driver.
>
> Signed-off-by: Samuel Holland <samuel@sholland.org>
Reviewed-by: Jernej Skrabec <jernej.skrabec@gmail.com>
Best regards,
Jernej
> ---
>
> drivers/iommu/sun50i-iommu.c | 4 ++++
> 1 file changed, 4 insertions(+)
>
> diff --git a/drivers/iommu/sun50i-iommu.c b/drivers/iommu/sun50i-iommu.c
> index b9e644b93637..1fb707e37fb3 100644
> --- a/drivers/iommu/sun50i-iommu.c
> +++ b/drivers/iommu/sun50i-iommu.c
> @@ -999,11 +999,15 @@ static int sun50i_iommu_probe(struct platform_device
> *pdev) return ret;
> }
>
> +static const struct sun50i_iommu_variant sun20i_d1_iommu = {
> +};
> +
> static const struct sun50i_iommu_variant sun50i_h6_iommu = {
> .has_reset = true,
> };
>
> static const struct of_device_id sun50i_iommu_dt[] = {
> + { .compatible = "allwinner,sun20i-d1-iommu", .data =
&sun20i_d1_iommu },
> { .compatible = "allwinner,sun50i-h6-iommu", .data =
&sun50i_h6_iommu },
> { /* sentinel */ },
> };
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next prev parent reply other threads:[~2022-04-28 5:36 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-04-28 1:03 [PATCH 0/5] iommu/sun50i: Allwinner D1 support Samuel Holland
2022-04-28 1:03 ` [PATCH 1/5] dt-bindings: iommu: sun50i: Add compatible for Allwinner D1 Samuel Holland
2022-04-28 7:19 ` Krzysztof Kozlowski
2022-04-28 1:03 ` [PATCH 2/5] iommu/sun50i: Support variants without an external reset Samuel Holland
2022-04-28 5:34 ` Jernej Škrabec
2022-04-28 7:43 ` Philipp Zabel
2022-04-28 1:03 ` [PATCH 3/5] iommu/sun50i: Ensure bypass is disabled Samuel Holland
2022-04-28 5:43 ` Jernej Škrabec
2022-04-28 1:03 ` [PATCH 4/5] iommu/sun50i: Add support for the D1 variant Samuel Holland
2022-04-28 5:34 ` Jernej Škrabec [this message]
2022-04-28 1:04 ` [PATCH 5/5] iommu/sun50i: Ensure the IOMMU can be used for DMA Samuel Holland
2022-04-28 5:35 ` Jernej Škrabec
2022-04-28 11:12 ` Robin Murphy
2022-04-28 5:45 ` [PATCH 0/5] iommu/sun50i: Allwinner D1 support Jernej Škrabec
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