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Fri, 27 Dec 2024 16:39:03 +0530 From: Parthiban Nallathambi <parthiban@linumiz.com> Date: Fri, 27 Dec 2024 16:37:56 +0530 Subject: [PATCH 09/22] iommu: sun50i: make reset control optional Precedence: bulk X-Mailing-List: linux-gpio@vger.kernel.org List-Id: <linux-gpio.vger.kernel.org> List-Subscribe: <mailto:linux-gpio+subscribe@vger.kernel.org> List-Unsubscribe: <mailto:linux-gpio+unsubscribe@vger.kernel.org> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-Id: <20241227-a133-display-support-v1-9-13b52f71fb14@linumiz.com> References: <20241227-a133-display-support-v1-0-13b52f71fb14@linumiz.com> In-Reply-To: <20241227-a133-display-support-v1-0-13b52f71fb14@linumiz.com> To: Joerg Roedel <joro@8bytes.org>, Will Deacon <will@kernel.org>, Robin Murphy <robin.murphy@arm.com>, Rob Herring <robh@kernel.org>, Krzysztof Kozlowski <krzk+dt@kernel.org>, Conor Dooley <conor+dt@kernel.org>, Chen-Yu Tsai <wens@csie.org>, Jernej Skrabec <jernej.skrabec@gmail.com>, Samuel Holland <samuel@sholland.org>, Maxime Ripard <mripard@kernel.org>, Maarten Lankhorst <maarten.lankhorst@linux.intel.com>, Thomas Zimmermann <tzimmermann@suse.de>, David Airlie <airlied@gmail.com>, Simona Vetter <simona@ffwll.ch>, Michael Turquette <mturquette@baylibre.com>, Stephen Boyd <sboyd@kernel.org>, Philipp Zabel <p.zabel@pengutronix.de>, Linus Walleij <linus.walleij@linaro.org>, Vinod Koul <vkoul@kernel.org>, Kishon Vijay Abraham I <kishon@kernel.org> Cc: iommu@lists.linux.dev, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-sunxi@lists.linux.dev, linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, linux-clk@vger.kernel.org, linux-gpio@vger.kernel.org, linux-phy@lists.infradead.org, Parthiban Nallathambi <parthiban@linumiz.com> X-Mailer: b4 0.14.0 X-Developer-Signature: v=1; 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[01/22] dt-bindings: iommu: sun50i: remove resets from required property
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diff --git a/drivers/iommu/sun50i-iommu.c b/drivers/iommu/sun50i-iommu.c index 8d8f11854676..2ba804d682dc 100644 --- a/drivers/iommu/sun50i-iommu.c +++ b/drivers/iommu/sun50i-iommu.c @@ -1030,7 +1030,7 @@ static int sun50i_iommu_probe(struct platform_device *pdev) goto err_free_cache; } - iommu->reset = devm_reset_control_get(&pdev->dev, NULL); + iommu->reset = devm_reset_control_get_optional(&pdev->dev, NULL); if (IS_ERR(iommu->reset)) { dev_err(&pdev->dev, "Couldn't get our reset line.\n"); ret = PTR_ERR(iommu->reset);
A133/A100 SoC doesn't have reset control from the CCU. Get reset control line optionally. Signed-off-by: Parthiban Nallathambi <parthiban@linumiz.com> --- drivers/iommu/sun50i-iommu.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)