From patchwork Wed Nov 16 16:49:15 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Roger Quadros X-Patchwork-Id: 13045571 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 F2318C4167B for ; Wed, 16 Nov 2022 16:51:12 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234211AbiKPQvK (ORCPT ); Wed, 16 Nov 2022 11:51:10 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:35934 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S239097AbiKPQus (ORCPT ); Wed, 16 Nov 2022 11:50:48 -0500 Received: from dfw.source.kernel.org (dfw.source.kernel.org [IPv6:2604:1380:4641:c500::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 504821112; Wed, 16 Nov 2022 08:49:33 -0800 (PST) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id E13D861EEE; Wed, 16 Nov 2022 16:49:32 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 27E8AC43470; Wed, 16 Nov 2022 16:49:29 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1668617372; bh=qvQKpvLNHVXrB7+8IiQETTMMyyG0jxiPHRO3yv3NGeI=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=ANYxNHBCK+3ptBc0Q7XznL1jDwyzPsSoTxs+evIacNUxebzuC/LZTteEaU9DEWbit GIYnMdJCpq6n6QPwuplWul7GiAKSkSQAGskQLG7mPqUfzMAOo9xRZl7Nr1oVE7g7SZ aWCGtwi36aK+2QfOmvWflT4ft81C0z732rEqRCbta9gUrFRIUU4Lvcl5xSRGiWOviS iMkUOSgrwwuC2ktvIsRTq1G0CIRNm7P4B2BQTb2hqNelq8bxqhxs6zWwkPpo7eD2FQ 7qyWD+oBngSS2a/93aQLLg5oca8BiEyhOEEbqzevf86/mteZgbyB1ogBT+7W6rCYlK 2NoCFlOBOzgYA== From: Roger Quadros To: davem@davemloft.net, kuba@kernel.org Cc: edumazet@google.com, pabeni@redhat.com, vigneshr@ti.com, linux-omap@vger.kernel.org, netdev@vger.kernel.org, linux-kernel@vger.kernel.org, Roger Quadros Subject: [PATCH 4/4] net: ethernet: ti: cpsw_ale: optimize cpsw_ale_restore() Date: Wed, 16 Nov 2022 18:49:15 +0200 Message-Id: <20221116164915.13236-5-rogerq@kernel.org> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20221116164915.13236-1-rogerq@kernel.org> References: <20221116164915.13236-1-rogerq@kernel.org> Precedence: bulk List-ID: X-Mailing-List: linux-omap@vger.kernel.org If an entry was FREE then we don't have to restore it. This will make the restore faster in most cases. Signed-off-by: Roger Quadros --- drivers/net/ethernet/ti/cpsw_ale.c | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-) diff --git a/drivers/net/ethernet/ti/cpsw_ale.c b/drivers/net/ethernet/ti/cpsw_ale.c index 0c5e783e574c..41bcf34a22f8 100644 --- a/drivers/net/ethernet/ti/cpsw_ale.c +++ b/drivers/net/ethernet/ti/cpsw_ale.c @@ -1452,12 +1452,15 @@ void cpsw_ale_dump(struct cpsw_ale *ale, u32 *data) } } +/* ALE table should be cleared (ALE_CLEAR) before cpsw_ale_restore() */ void cpsw_ale_restore(struct cpsw_ale *ale, u32 *data) { - int i; + int i, type; for (i = 0; i < ale->params.ale_entries; i++) { - cpsw_ale_write(ale, i, data); + type = cpsw_ale_get_entry_type(data); + if (type != ALE_TYPE_FREE) + cpsw_ale_write(ale, i, data); data += ALE_ENTRY_WORDS; } }