From nobody Fri Sep 20 01:32:06 2024 Received: from mailgw02.mediatek.com (unknown [210.61.82.184]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 0AFAF16F8F5; Wed, 3 Jul 2024 11:53:23 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=210.61.82.184 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1720007606; cv=none; b=oicZClG6WggIbl4P83q92czPnkOD5whkqCnCnDvR4lXz+2vaolMUFpY8dujNeSUqJcOmOMxqpyRLJWWJ/BeiCjJV4pCw2V1qpYY8JtMdIqC+JTLVZ+QgS8ALypZb+wECGmGUcE61XLt9KjQ1HJdsSePQdeA4qbPvkYS6BIFrtyE= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1720007606; c=relaxed/simple; bh=/m1aybwXVDqT4wfLqQkBnjr1+YSMqNOJ/CoRq2aM3go=; h=From:To:CC:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=lvWzlvmFrE2D86CpsUVQxt+Tey/FKe8xl0IpPbO4lBBHCxTFa+Xs3mht1JCKclDxKWoKfivBYPC+aBe7nrjnOOh1o7PmQ1x7KLsRn9d5dcfMMsMf0nbdI14bbENzUOMzXXBfSPUZAchiZEBatSc23lwPAWXjODEZQ1xChVFfOn0= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=mediatek.com; spf=pass smtp.mailfrom=mediatek.com; dkim=pass (1024-bit key) header.d=mediatek.com header.i=@mediatek.com header.b=NKaGM0vz; arc=none smtp.client-ip=210.61.82.184 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=mediatek.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=mediatek.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=mediatek.com header.i=@mediatek.com header.b="NKaGM0vz" X-UUID: d551591e393211ef99dc3f8fac2c3230-20240703 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=mediatek.com; s=dk; h=Content-Type:MIME-Version:References:In-Reply-To:Message-ID:Date:Subject:CC:To:From; bh=75FkGdUKgt+Z9hXJnJSQngHwHaha+5GUkIFIvukvpH4=; b=NKaGM0vzZOZyrtlEqFXiDOsmDOeKz0DSeoyHprO9wvNf7oiKmYwsWEwgUh4rFiIdjGwBY2nLltQfXuQqFMrAPTm1DcjbgBfT8XpGHI0Xi4IdSSi78jrV2CHCJJvWXBux11Hkb6xJ4g0B3L4bamYW0NaVONsXTbIx9xqpZlSDPwQ=; X-CID-P-RULE: Release_Ham X-CID-O-INFO: VERSION:1.1.40,REQID:cede9587-a949-4299-b78e-5d9afc42bf30,IP:0,U RL:0,TC:0,Content:0,EDM:0,RT:0,SF:0,FILE:0,BULK:0,RULE:Release_Ham,ACTION: release,TS:0 X-CID-META: VersionHash:ba885a6,CLOUDID:e48ae8d4-0d68-4615-a20f-01d7bd41f0bb,B ulkID:nil,BulkQuantity:0,Recheck:0,SF:102,TC:nil,Content:0,EDM:-3,IP:nil,U RL:11|1,File:nil,RT:nil,Bulk:nil,QS:nil,BEC:nil,COL:0,OSI:0,OSA:0,AV:0,LES :1,SPR:NO,DKR:0,DKP:0,BRR:0,BRE:0,ARC:0 X-CID-BVR: 0,NGT X-CID-BAS: 0,NGT,0,_ X-CID-FACTOR: TF_CID_SPAM_SNR,TF_CID_SPAM_ULN X-UUID: d551591e393211ef99dc3f8fac2c3230-20240703 Received: from mtkmbs13n1.mediatek.inc [(172.21.101.193)] by mailgw02.mediatek.com (envelope-from ) (Generic MTA with TLSv1.2 ECDHE-RSA-AES256-GCM-SHA384 256/256) with ESMTP id 1428062565; Wed, 03 Jul 2024 19:53:16 +0800 Received: from mtkmbs11n2.mediatek.inc (172.21.101.187) by MTKMBS14N1.mediatek.inc (172.21.101.75) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1118.26; Wed, 3 Jul 2024 19:53:13 +0800 Received: from mtksdccf07.mediatek.inc (172.21.84.99) by mtkmbs11n2.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.2.1118.26 via Frontend Transport; Wed, 3 Jul 2024 19:53:13 +0800 From: Shun-yi Wang To: Bjorn Andersson , Mathieu Poirier CC: Matthias Brugger , AngeloGioacchino Del Regno , , , , , , , , , , shun-yi.wang Subject: [PATCH 1/1] remoteproc: mediatek: Support multiple reserved memory regions Date: Wed, 3 Jul 2024 19:53:08 +0800 Message-ID: <20240703115308.17436-2-shun-yi.wang@mediatek.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20240703115308.17436-1-shun-yi.wang@mediatek.com> References: <20240703115308.17436-1-shun-yi.wang@mediatek.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-TM-AS-Product-Ver: SMEX-14.0.0.3152-9.1.1006-23728.005 X-TM-AS-Result: No-10--4.883000-8.000000 X-TMASE-MatchedRID: Ei0WBMmFdJjleW6zTRN7wAPZZctd3P4B6tEkNTIMeQjEosIs7IJbkCpJ 3T68EJKPg/N7mdNXD1c8RLY2vU8PD4/opKiQWjqUdXu122+iJtp6zDxGcFEbChL6MU7t349bxsr 6m7RljBHftLFtxOSbQ4Ay6p60ZV62fJ5/bZ6npdjKayT/BQTiGlIc3O7Mj/yCMO7Fp3VK5MEhmu FTYDf84D50unEEcwa99dfwm9WweGYZ3afb2GJc48A9F3ly54VehHNYhwwtQTza6j4tja6OgKCjN WMcfCKKdATQdtPksR+3/JiWOe6GXXSWgQ2GpXdZhztLVWA1eE9DDKa3G4nrLQ== X-TM-AS-User-Approved-Sender: No X-TM-AS-User-Blocked-Sender: No X-TMASE-Result: 10--4.883000-8.000000 X-TMASE-Version: SMEX-14.0.0.3152-9.1.1006-23728.005 X-TM-SNTS-SMTP: E45F84B53C2F9FE0E27731A6831DB9EC31E41B727B72E08D8A7DF8CAA7380CC92000:8 X-MTK: N Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" From: "shun-yi.wang" SCP supports multiple reserved memory regions, intended for specific hardwards. Signed-off-by: shun-yi.wang --- drivers/remoteproc/mtk_scp.c | 25 +++++++++++++++++-------- 1 file changed, 17 insertions(+), 8 deletions(-) diff --git a/drivers/remoteproc/mtk_scp.c b/drivers/remoteproc/mtk_scp.c index 9ecd5ea04b5f3..1902826cea0af 100644 --- a/drivers/remoteproc/mtk_scp.c +++ b/drivers/remoteproc/mtk_scp.c @@ -1006,22 +1006,31 @@ EXPORT_SYMBOL_GPL(scp_mapping_dm_addr); =20 static int scp_map_memory_region(struct mtk_scp *scp) { - int ret; + int ret, i, err; const struct mtk_scp_sizes_data *scp_sizes; + struct device_node *node =3D scp->dev->of_node; + struct of_phandle_iterator it; + + i =3D 0; + of_for_each_phandle(&it, err, node, "memory-region", NULL, 0) { + ret =3D of_reserved_mem_device_init_by_idx(scp->dev, node, i); + + if (ret) { + dev_err(scp->dev, "failed to assign memory-region: %s\n", + it.node->name); + of_node_put(it.node); + return -ENOMEM; + } =20 - ret =3D of_reserved_mem_device_init(scp->dev); + i++; + } =20 /* reserved memory is optional. */ - if (ret =3D=3D -ENODEV) { + if (!i) { dev_info(scp->dev, "skipping reserved memory initialization."); return 0; } =20 - if (ret) { - dev_err(scp->dev, "failed to assign memory-region: %d\n", ret); - return -ENOMEM; - } - /* Reserved SCP code size */ scp_sizes =3D scp->data->scp_sizes; scp->cpu_addr =3D dma_alloc_coherent(scp->dev, scp_sizes->max_dram_size, --=20 2.18.0