Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933685AbcLAXeo (ORCPT ); Thu, 1 Dec 2016 18:34:44 -0500 Received: from fllnx209.ext.ti.com ([198.47.19.16]:12046 "EHLO fllnx209.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757532AbcLAXeg (ORCPT ); Thu, 1 Dec 2016 18:34:36 -0500 From: Grygorii Strashko To: "David S. Miller" , , Mugunthan V N CC: Sekhar Nori , , , Ivan Khoronzhuk , Grygorii Strashko Subject: [PATCH 5/7] Documentation: DT: net: cpsw: allow to specify descriptors pool size Date: Thu, 1 Dec 2016 17:34:30 -0600 Message-ID: <20161201233432.6182-6-grygorii.strashko@ti.com> X-Mailer: git-send-email 2.10.1 In-Reply-To: <20161201233432.6182-1-grygorii.strashko@ti.com> References: <20161201233432.6182-1-grygorii.strashko@ti.com> MIME-Version: 1.0 Content-Type: text/plain Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1232 Lines: 30 Add optional property "descs_pool_size" to specify buffer descriptor's pool size. The "descs_pool_size" should define total number of CPDMA CPPI descriptors to be used for both ingress/egress packets processing. If not specified - the default value 256 will be used which will allow to place descriptor's pool into the internal CPPI RAM on most of TI SoC. Signed-off-by: Grygorii Strashko --- Documentation/devicetree/bindings/net/cpsw.txt | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/Documentation/devicetree/bindings/net/cpsw.txt b/Documentation/devicetree/bindings/net/cpsw.txt index 5ad439f..b99d196 100644 --- a/Documentation/devicetree/bindings/net/cpsw.txt +++ b/Documentation/devicetree/bindings/net/cpsw.txt @@ -35,6 +35,11 @@ Optional properties: For example in dra72x-evm, pcf gpio has to be driven low so that cpsw slave 0 and phy data lines are connected via mux. +- descs_pool_size : total number of CPDMA CPPI descriptors to be used for + both ingress/egress packets processing. if not + specified the default value 256 will be used which + will allow to place descriptors pool into the + internal CPPI RAM. Slave Properties: -- 2.10.1