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Fri, 6 Nov 2020 10:14:18 -0500 (EST) From: Maxime Ripard To: Daniel Vetter , David Airlie , Christoph Hellwig Subject: [PATCH 4/7] media: sun4i: Remove the MBUS quirks Date: Fri, 6 Nov 2020 16:14:08 +0100 Message-Id: <20201106151411.321743-5-maxime@cerno.tech> X-Mailer: git-send-email 2.28.0 In-Reply-To: <20201106151411.321743-1-maxime@cerno.tech> References: <20201106151411.321743-1-maxime@cerno.tech> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20201106_101421_292877_D3AC798A X-CRM114-Status: GOOD ( 15.62 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: devel@driverdev.osuosl.org, Hans Verkuil , Jernej Skrabec , Thomas Zimmermann , Maarten Lankhorst , linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, Paul Kocialkowski , Maxime Ripard , Yong Deng , Mauro Carvalho Chehab , Robin Murphy , linux-arm-kernel@lists.infradead.org, linux-media@vger.kernel.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Now that the MBUS quirks are applied by our global notifier, we can remove them from our CSI driver for the A10. Suggested-by: Christoph Hellwig Signed-off-by: Maxime Ripard --- .../platform/sunxi/sun4i-csi/sun4i_csi.c | 27 ------------------- 1 file changed, 27 deletions(-) diff --git a/drivers/media/platform/sunxi/sun4i-csi/sun4i_csi.c b/drivers/media/platform/sunxi/sun4i-csi/sun4i_csi.c index eb15c8c725ca..ec46cff80fdb 100644 --- a/drivers/media/platform/sunxi/sun4i-csi/sun4i_csi.c +++ b/drivers/media/platform/sunxi/sun4i-csi/sun4i_csi.c @@ -167,33 +167,6 @@ static int sun4i_csi_probe(struct platform_device *pdev) if (!csi->traits) return -EINVAL; - /* - * On Allwinner SoCs, some high memory bandwidth devices do DMA - * directly over the memory bus (called MBUS), instead of the - * system bus. The memory bus has a different addressing scheme - * without the DRAM starting offset. - * - * In some cases this can be described by an interconnect in - * the device tree. In other cases where the hardware is not - * fully understood and the interconnect is left out of the - * device tree, fall back to a default offset. - */ - if (of_find_property(csi->dev->of_node, "interconnects", NULL)) { - ret = of_dma_configure(csi->dev, csi->dev->of_node, true); - if (ret) - return ret; - } else { - /* - * XXX(hch): this has no business in a driver and needs to move - * to the device tree. - */ -#ifdef PHYS_PFN_OFFSET - ret = dma_direct_set_offset(csi->dev, PHYS_OFFSET, 0, SZ_4G); - if (ret) - return ret; -#endif - } - csi->mdev.dev = csi->dev; strscpy(csi->mdev.model, "Allwinner Video Capture Device", sizeof(csi->mdev.model)); -- 2.28.0 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel