From patchwork Sat Sep 23 14:31:55 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Umang Jain X-Patchwork-Id: 725691 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 9022BCE7A89 for ; Sat, 23 Sep 2023 14:32:10 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231603AbjIWOcO (ORCPT ); Sat, 23 Sep 2023 10:32:14 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:53300 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230336AbjIWOcN (ORCPT ); Sat, 23 Sep 2023 10:32:13 -0400 Received: from perceval.ideasonboard.com (perceval.ideasonboard.com [213.167.242.64]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id CD5F011D; Sat, 23 Sep 2023 07:32:07 -0700 (PDT) Received: from umang.lan (unknown [IPv6:2001:818:e7d2:8300:2412:6733:7e63:fb46]) by perceval.ideasonboard.com (Postfix) with ESMTPSA id C638910FE; Sat, 23 Sep 2023 16:30:26 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com; s=mail; t=1695479427; bh=97rsLMbhlIPh3+VcgvhrEUZUnrr2n4j9XSww0+luu9I=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=YU6fSHWGOVySECtHQmD007BAdRgpUBygTtN540U9BRwoDq61OCbJhqooIhR2hxgt3 4Fy/6QnJ0f1hdr3qrJz6pLuZNrJu+QXgnrCmt/0Bom5usPWWG3aXNOZ3i3l6Bdwb5w ZQ7D38drhJ9Cyg6gplbQ0JG1RSsEEe0qVd8EawsI= From: Umang Jain To: linux-staging@lists.linux.dev, linux-arm-kernel@lists.infradead.org, linux-rpi-kernel@lists.infradead.org, linux-media@vger.kernel.org, linux-kernel@vger.kernel.org Cc: Stefan Wahren , Greg Kroah-Hartman , Florian Fainelli , Adrien Thierry , Dan Carpenter , Dave Stevenson , Kieran Bingham , Laurent Pinchart , Umang Jain Subject: [PATCH v12 1/6] staging: vc04_services: bcm2835-camera: Explicitly set DMA mask Date: Sat, 23 Sep 2023 20:01:55 +0530 Message-Id: <20230923143200.268063-2-umang.jain@ideasonboard.com> X-Mailer: git-send-email 2.40.1 In-Reply-To: <20230923143200.268063-1-umang.jain@ideasonboard.com> References: <20230923143200.268063-1-umang.jain@ideasonboard.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org In the following patches, vchiq_arm will be migrated to create and use its own bus and all the vchiq drivers (bcm2835-camera, bcm2835-audio) will be registered to it. Since the platform driver/device model internally sets the DMA mask for its registered devices, we would have to do it ourself when we remove the platform driver/device registration for vchiq devices. This patch explicitly sets the DMA mask to bcm2835-camera so as not to introduce a regression when we move away from platform device/driver model. Signed-off-by: Umang Jain --- .../staging/vc04_services/bcm2835-camera/bcm2835-camera.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/drivers/staging/vc04_services/bcm2835-camera/bcm2835-camera.c b/drivers/staging/vc04_services/bcm2835-camera/bcm2835-camera.c index 346d00df815a..fcad5118f3e8 100644 --- a/drivers/staging/vc04_services/bcm2835-camera/bcm2835-camera.c +++ b/drivers/staging/vc04_services/bcm2835-camera/bcm2835-camera.c @@ -1852,6 +1852,12 @@ static int bcm2835_mmal_probe(struct platform_device *pdev) unsigned int resolutions[MAX_BCM2835_CAMERAS][2]; int i; + ret = dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(32)); + if (ret) { + dev_err(&pdev->dev, "dma_set_mask_and_coherent failed: %d\n", ret); + return ret; + } + ret = vchiq_mmal_init(&instance); if (ret < 0) return ret;