From patchwork Tue Nov 8 13:56:43 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Roger Quadros X-Patchwork-Id: 622843 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 39431C4332F for ; Tue, 8 Nov 2022 13:57:10 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234835AbiKHN5I (ORCPT ); Tue, 8 Nov 2022 08:57:08 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:58956 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234832AbiKHN5H (ORCPT ); Tue, 8 Nov 2022 08:57:07 -0500 Received: from ams.source.kernel.org (ams.source.kernel.org [IPv6:2604:1380:4601:e00::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id EEC1E60EB1; Tue, 8 Nov 2022 05:57:06 -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 ams.source.kernel.org (Postfix) with ESMTPS id 9E0FAB816DD; Tue, 8 Nov 2022 13:57:05 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id EA918C433D7; Tue, 8 Nov 2022 13:57:01 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1667915824; bh=tQ72T7lQxJkgX/x3mTSKvAAkisGq4na2N+MSF2k1IYY=; h=From:To:Cc:Subject:Date:From; b=rarAumq7Os55EgdCMr4oiL1ZaPvjcTFkoRgoClYflI+J2eso3fj/gOs/7NcFtEBuR tCnrMEOMpCrrK/vXxMdSco0tIDtJ0nh8Z3vefWysV/jc2j20LwVAFk1YczIPHWhzqx 2tPmVqNlJiAgL0kejIhO9igqnHwNBk5CQDMREI6vTkT87uj5q/OWOxiljk008e6DJm Wyc6NPHblK6OkQA2eqoXvfA8T+wNMRvqUjrr6KiM6UhfUrkcHS+Fn3DvPKyuRUygYP cBbHJpibmvWk92v0BX5xiv55xz/kVaFJOnuTlQFqd1a08xJvZ1kkQe/A/5wh9XRPks Qcv0qINm1Y9Vw== From: Roger Quadros To: davem@davemloft.net Cc: edumazet@google.com, kuba@kernel.org, pabeni@redhat.com, vigneshr@ti.com, srk@ti.com, linux-omap@vger.kernel.org, netdev@vger.kernel.org, linux-kernel@vger.kernel.org, Roger Quadros Subject: [PATCH] net: ethernet: ti: cpsw_ale: optimize cpsw_ale_restore() Date: Tue, 8 Nov 2022 15:56:43 +0200 Message-Id: <20221108135643.15094-1-rogerq@kernel.org> X-Mailer: git-send-email 2.17.1 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. Signed-off-by: Roger Quadros --- Patch depends on https://lore.kernel.org/netdev/20221104132310.31577-3-rogerq@kernel.org/T/ 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; } }