From patchwork Thu Feb 1 23:33:59 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Chris Leech X-Patchwork-Id: 13541930 Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.129.124]) (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 23C5C481D7 for ; Thu, 1 Feb 2024 23:34:26 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=170.10.129.124 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1706830468; cv=none; b=Jwhk+JX1w+uMCS0svpmN6ZXu30lxcumJjQHKDcTCg3UmL79Ay41vxbq6dPOHoNP50zG5mNgZ3IAky0YZ+dLPntFfr3AvBlyh4xXG7cFmBF1X8L2gASOTjHt4IU8ZCB7Kfj4dvSvSJC4Uv8fF9a60ymEhwNBS712Ntb9Muq0o4LM= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1706830468; c=relaxed/simple; bh=3FokyUnI5P5cmAhKtt6pFHX6NyRCuaS0/kuNt9gir80=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=soe5DFc/48BJ8N41c1PJ/cKDqAyKAJpJQr2cnkbBQQSR4NwP14e9bfIt0C2vDOQhSc0dYW0/Pqk99VOLTYu0oOBDeLkQ50WcM385lToZn/xmuIkCFdcG0fYJTG+tWeRr/egbtOU2+yq4tCLCMhQV05InM0sNcbUnLiPDq2jRKy0= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=redhat.com; spf=pass smtp.mailfrom=redhat.com; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b=YY1Du3WK; arc=none smtp.client-ip=170.10.129.124 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=redhat.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=redhat.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="YY1Du3WK" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1706830465; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=Feaa7ltqMImVUAF90OIsH77NDPTc4xlAwHCDaWrW23I=; b=YY1Du3WK3Nf5viqrzwlha2/X0tXmrm2sSmiMMtTCsqF6Xx0/maEnwNay18e99tnVxAjMyA DlGDp2yhsG22+ult4U6KYv8wxW5hJvp6zDrLL1eJjQsxiopscmQPxDQA7HSqA/4pYp5Fo7 oXoiacLnO/GMeC1LDSoj89nJF+92PEw= Received: from mimecast-mx02.redhat.com (mx-ext.redhat.com [66.187.233.73]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-333-gWWzCNdgOoS9f3Qu8Af-FQ-1; Thu, 01 Feb 2024 18:34:21 -0500 X-MC-Unique: gWWzCNdgOoS9f3Qu8Af-FQ-1 Received: from smtp.corp.redhat.com (int-mx05.intmail.prod.int.rdu2.redhat.com [10.11.54.5]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id E9CA829AC00A; Thu, 1 Feb 2024 23:34:20 +0000 (UTC) Received: from rhel-developer-toolbox-latest.rmtusor.csb (unknown [10.2.16.182]) by smtp.corp.redhat.com (Postfix) with ESMTP id BB9661BDB1; Thu, 1 Feb 2024 23:34:19 +0000 (UTC) From: Chris Leech To: Greg Kroah-Hartman , Nilesh Javali Cc: Christoph Hellwig , John Meneghini , Lee Duncan , Mike Christie , Hannes Reinecke , netdev@vger.kernel.org, linux-kernel@vger.kernel.org, linux-scsi@vger.kernel.org, GR-QLogic-Storage-Upstream@marvell.com Subject: [PATCH v5 3/4] uio_pruss: UIO_MEM_DMA_COHERENT conversion Date: Thu, 1 Feb 2024 15:33:59 -0800 Message-ID: <20240201233400.3394996-4-cleech@redhat.com> In-Reply-To: <20240201233400.3394996-1-cleech@redhat.com> References: <20240201233400.3394996-1-cleech@redhat.com> Precedence: bulk X-Mailing-List: linux-scsi@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Scanned-By: MIMEDefang 3.4.1 on 10.11.54.5 Conversion of this driver to use UIO_MEM_DMA_COHERENT for dma_alloc_coherent memory instead of UIO_MEM_PHYS. Signed-off-by: Chris Leech --- drivers/uio/uio_pruss.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/drivers/uio/uio_pruss.c b/drivers/uio/uio_pruss.c index 77e2dc4048855..72b33f7d4c40f 100644 --- a/drivers/uio/uio_pruss.c +++ b/drivers/uio/uio_pruss.c @@ -191,9 +191,11 @@ static int pruss_probe(struct platform_device *pdev) p->mem[1].size = sram_pool_sz; p->mem[1].memtype = UIO_MEM_PHYS; - p->mem[2].addr = gdev->ddr_paddr; + p->mem[2].addr = (phys_addr_t) gdev->ddr_vaddr; + p->mem[2].dma_addr = gdev->ddr_paddr; p->mem[2].size = extram_pool_sz; - p->mem[2].memtype = UIO_MEM_PHYS; + p->mem[2].memtype = UIO_MEM_DMA_COHERENT; + p->mem[2].dma_device = dev; p->name = devm_kasprintf(dev, GFP_KERNEL, "pruss_evt%d", cnt); p->version = DRV_VERSION;