From mboxrd@z Thu Jan 1 00:00:00 1970 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 17F35C7618A for ; Thu, 16 Mar 2023 20:07:03 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229959AbjCPUHB (ORCPT ); Thu, 16 Mar 2023 16:07:01 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:59760 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229534AbjCPUHA (ORCPT ); Thu, 16 Mar 2023 16:07:00 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [139.178.84.217]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 129612D16C for ; Thu, 16 Mar 2023 13:06:50 -0700 (PDT) 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 A1ADB620F1 for ; Thu, 16 Mar 2023 20:06:49 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 59152C433EF; Thu, 16 Mar 2023 20:06:48 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1678997209; bh=8NqcTFn4siOXW1dpCo43lggCzIv7ucftQBCdDOvr7sg=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=FGIjBRtZIQSfzo3BLdYRJKuIIjFPMphFZBCs2EPYWNTXYNkCi3ijorKU6cYgPWrb8 LmNKDiJ0X5oaXtxP1vd4WI30eBbdRH5hqc/Jt59q6mMNgTL7RXWiBbP+jQjsd4riGa vELaQCRRL2kUghYa0F1A8rmr+i+CMu6qGmyZRuaKWWChfqV9CFrZGpMWjEV7hA+P4y uV0tKSZEE5/3rMAhDNPVqCr+Ei0GmvIY5PnmLFrpM82j1M2JvzSac1v8eEV6HczWqR vVI1zD/BxPO6HNmZ1XJWBm8NxXaUKoaSHUt+cf2yCT0Hfpjjt0sZJSQYS0FYtNys7h e5uUJo8gKviUw== Date: Thu, 16 Mar 2023 21:06:45 +0100 From: Wolfram Sang To: Yicong Yang Cc: linux-i2c@vger.kernel.org, chenweilong@huawei.com, f.fangjian@huawei.com, linuxarm@huawei.com, prime.zeng@huawei.com, yangyicong@hisilicon.com, Sheng Feng Subject: Re: [PATCH 1/2] i2c: hisi: Avoid redundant interrupts Message-ID: Mail-Followup-To: Wolfram Sang , Yicong Yang , linux-i2c@vger.kernel.org, chenweilong@huawei.com, f.fangjian@huawei.com, linuxarm@huawei.com, prime.zeng@huawei.com, yangyicong@hisilicon.com, Sheng Feng References: <20230313074552.54457-1-yangyicong@huawei.com> <20230313074552.54457-2-yangyicong@huawei.com> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="u5US34qKMUZETIft" Content-Disposition: inline In-Reply-To: <20230313074552.54457-2-yangyicong@huawei.com> Precedence: bulk List-ID: X-Mailing-List: linux-i2c@vger.kernel.org --u5US34qKMUZETIft Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Mon, Mar 13, 2023 at 03:45:51PM +0800, Yicong Yang wrote: > From: Yicong Yang >=20 > After issuing all the messages we can disable the TX_EMPTY interrupts > to avoid handling redundant interrupts. For doing a sinlge bus > detection (i2cdetect -y -r 0) we can reduce ~97% interrupts (before > ~12000 after ~400). >=20 > Reported-by: Sheng Feng > Signed-off-by: Sheng Feng > Signed-off-by: Yicong Yang Applied to for-current, thanks! --u5US34qKMUZETIft Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEOZGx6rniZ1Gk92RdFA3kzBSgKbYFAmQTdtEACgkQFA3kzBSg KbavHxAAit0rgx7MNUqtxThypi1TlF+gAIZrcHvCQ8ick/JpzHG+kdy3TInwtJH0 kD83sqIPOjt9aBE0Pnq830y2zvqxnaMT05WZ0yRUD7e2c71RT8j9XmVqakgXnfHW iFkSNElYBdYAQCEtU/egTYcA5Pexyn6nB/gV2RGWMpMS2ea4yfpl0bOUepnyQEN9 6jdcIVPPyqjjcs/ywcOnIZnsGS1B0Ocb1f7MmU1syiJO98XPv6FTWcHVFTP/M4sx flohSYYYvieAN4hsFoPMhG7D7zb1Ci3amA0EPaNXUCbQgXjmfqZM95WAJwmLg2jq 0evvD4q2uJiZKEPCQjJkboeCcEs0dJ9vErPtKY0xauL1A8uDlvwcXkMOGjyqCttE EJl0P2gi2SJsS8Q9Fb4HV1XHEJ9ms91/8CHlfBqVBYrQxiXM7sTbqhR6WqHsbK3u brSXWyVXJkLgwhdCATdjEyJCQJhBOC0nGnBPu8awzVm1MhrqhY2juo908LlN8pB4 k4yKIjqqCWNbD0SEGJDI88tPp0gys+4dkQiRxKO5AmxysXSFjSP5QnX4zovMqJJc uDN0FsBvtn06mm9hoo/RBC/LnbW5CWG80n4gajoLw1KgSGxL9XaOxAED+8Do6bij ZKtXD6joyZ0d5UQsDXDW1gIhwDLG7LY41YBZrsPolglzfaSGFp4= =XmJH -----END PGP SIGNATURE----- --u5US34qKMUZETIft--