From patchwork Thu Mar 21 08:46:14 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: AngeloGioacchino Del Regno X-Patchwork-Id: 13598509 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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id EE175C54E58 for ; Thu, 21 Mar 2024 08:46:49 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-ID:Date:Subject:Cc:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=UsTcgUYFr/3gu8JJEMJzHzhOs7HT2ldNJNi1ulKt1L8=; b=lRhUOzDOIwawh+ +Nk8RVyNkpWhl0EO+Ye9lJ2vRitWwk0lWSRYO8cam2Rn9U78P2otDoNFC9Dd87E4ptVY1x7l3yU+R sFAMsWsjJr4Mrh1SVLKZGoy7+6zEiz6zQuwhxyeca4R7hM1CU225Dm7JAi6q0A/CA0c6EfAr0qLZh SyoM9IgVjkhTmpT+SQTwUREUqAqyxt5JswGcRHW5HXuuaUVxMoKyxjTebbK1tqjLYSBB0s6V3RorZ 0kjdd5IMTYH57NG8TdUJ0o7iqXT0PJWYKqQk876DOhCqeDl/CvAeOojfixerqx4CrdIbRrhiAEMpO n+XlQAfY13GqlZ/YaMLA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.97.1 #2 (Red Hat Linux)) id 1rnE4N-00000002N5M-3KyI; Thu, 21 Mar 2024 08:46:39 +0000 Received: from madrid.collaboradmins.com ([2a00:1098:ed:100::25]) by bombadil.infradead.org with esmtps (Exim 4.97.1 #2 (Red Hat Linux)) id 1rnE4I-00000002N27-3FOj; Thu, 21 Mar 2024 08:46:36 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1711010793; bh=jle9wMiDny+kxaOKZOmL2FIJ6vWyfkstyQhgaqAXszI=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=G9kLjqC+Z1Ox2AHUeOc1P1V361SzTc0eAb1d9ikwoX2FSIHLxZM85G3Ic6oBKsIio T0+x8pxeKEE9SqryU9yqj8ELIlJ6GQ8+OJxxQD3O5HFzki7u/e9oGCXCixDxlhqK0e 5ajkBPRllQd1cGjJ67F588DWgopV920Ha7qAP0VbOSpJO0VraGOkrbdm3PYj7gZsYT SNv1g63cRleafGYEDABs4AW2fcGKE+rIxRDNYvs5fhcDWlo7Rc1jnRxyExqmLhHxpG s67saseBC/QDK+pcgskH/4o0wRB4vm2VXhwz/TVJPB5+kXQp71a9K+enbqA3qMpWO5 LWMy36n0OV56Q== Received: from IcarusMOD.eternityproject.eu (cola.collaboradmins.com [195.201.22.229]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) (Authenticated sender: kholk11) by madrid.collaboradmins.com (Postfix) with ESMTPSA id B34DD3782114; Thu, 21 Mar 2024 08:46:32 +0000 (UTC) From: AngeloGioacchino Del Regno To: mathieu.poirier@linaro.org Cc: andersson@kernel.org, matthias.bgg@gmail.com, angelogioacchino.delregno@collabora.com, tzungbi@kernel.org, tinghan.shen@mediatek.com, linux-remoteproc@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, wenst@chromium.org, kernel@collabora.com Subject: [PATCH 2/2] remoteproc: mediatek: Don't parse extraneous subnodes for multi-core Date: Thu, 21 Mar 2024 09:46:14 +0100 Message-ID: <20240321084614.45253-3-angelogioacchino.delregno@collabora.com> X-Mailer: git-send-email 2.44.0 In-Reply-To: <20240321084614.45253-1-angelogioacchino.delregno@collabora.com> References: <20240321084614.45253-1-angelogioacchino.delregno@collabora.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240321_014634_972851_56C0FD8A X-CRM114-Status: UNSURE ( 9.78 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org When probing multi-core SCP, this driver is parsing all sub-nodes of the scp-cluster node, but one of those could be not an actual SCP core and that would make the entire SCP cluster to fail probing for no good reason. To fix that, in scp_add_multi_core() treat a subnode as a SCP Core by parsing only available subnodes having compatible "mediatek,scp-core". Fixes: 1fdbf0cdde98 ("remoteproc: mediatek: Probe SCP cluster on multi-core SCP") Signed-off-by: AngeloGioacchino Del Regno --- drivers/remoteproc/mtk_scp.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/remoteproc/mtk_scp.c b/drivers/remoteproc/mtk_scp.c index 67518291a8ad..fbe1c232dae7 100644 --- a/drivers/remoteproc/mtk_scp.c +++ b/drivers/remoteproc/mtk_scp.c @@ -1096,6 +1096,9 @@ static int scp_add_multi_core(struct platform_device *pdev, cluster_of_data = (const struct mtk_scp_of_data **)of_device_get_match_data(dev); for_each_available_child_of_node(np, child) { + if (!of_device_is_compatible(child, "mediatek,scp-core")) + continue; + if (!cluster_of_data[core_id]) { ret = -EINVAL; dev_err(dev, "Not support core %d\n", core_id);