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Received: from [122.165.245.213] (port=58270 helo=[127.0.1.1]) by md-in-79.webhostbox.net with esmtpsa (TLS1.2) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.96.2) (envelope-from ) id 1tR9yd-002EaQ-0T; Fri, 27 Dec 2024 18:32:03 +0530 From: Parthiban Nallathambi Date: Fri, 27 Dec 2024 18:30:58 +0530 Subject: [PATCH RESEND 09/22] iommu: sun50i: make reset control optional MIME-Version: 1.0 Message-Id: <20241227-a133-display-support-v1-9-abad35b3579c@linumiz.com> References: <20241227-a133-display-support-v1-0-abad35b3579c@linumiz.com> In-Reply-To: <20241227-a133-display-support-v1-0-abad35b3579c@linumiz.com> To: Joerg Roedel , Will Deacon , Robin Murphy , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Chen-Yu Tsai , Jernej Skrabec , Samuel Holland , Maxime Ripard , Maarten Lankhorst , Thomas Zimmermann , David Airlie , Simona Vetter , Michael Turquette , Stephen Boyd , Philipp Zabel , Linus Walleij , Vinod Koul , Kishon Vijay Abraham I 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 X-Mailer: b4 0.14.0 X-Developer-Signature: v=1; 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X-BeenThere: linux-phy@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Linux Phy Mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-phy" Errors-To: linux-phy-bounces+linux-phy=archiver.kernel.org@lists.infradead.org A133/A100 SoC doesn't have reset control from the CCU. Get reset control line optionally. Signed-off-by: Parthiban Nallathambi Reviewed-by: Philipp Zabel --- drivers/iommu/sun50i-iommu.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) 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);