From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-lf1-f52.google.com (mail-lf1-f52.google.com [209.85.167.52]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 4E0631537DD; Wed, 21 Aug 2024 16:44:03 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.167.52 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1724258644; cv=none; b=eXR/MP0eloQswHndJA9auX+lFq4HCe3VQ/N2EZhBeH6kxfFGL2+GM5yVwIITr6uGZOdDmDXzqInO6Cn+VcZ+O8zK2Oyl31KuvfjWrr4dywOpbr6sBAjfURuyhlaS/Vsr3CQSbsCmiEQr73R8TEK2hTOKzqTla0+kSPdmTmTQn8E= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1724258644; c=relaxed/simple; bh=sEnyaVCxeTo7fogPBKiKimrrhQPVr0UrqigxywBdCqE=; h=MIME-Version:References:In-Reply-To:From:Date:Message-ID:Subject: To:Cc:Content-Type; b=Peeeaf2dsQrEs+5/Zz7tDvGbaQ9HpKrVN/VL2LbRlkAn/p8KI2+57yCdFoui0OM636xGUZqN43LIa+NEA4OfKNmgXoAcVtz28xLVPuJr4BXXbmaUjb/FOc83xIbk/0SG1rnPzP001FxY9AnCEH6JC5D0hKZIwByI9FsiBdE6Dvk= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com; spf=pass smtp.mailfrom=gmail.com; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b=cFQw42YW; arc=none smtp.client-ip=209.85.167.52 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gmail.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="cFQw42YW" Received: by mail-lf1-f52.google.com with SMTP id 2adb3069b0e04-533488ffaddso1318679e87.1; Wed, 21 Aug 2024 09:44:03 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1724258641; x=1724863441; darn=vger.kernel.org; h=content-transfer-encoding:cc:to:subject:message-id:date:from :in-reply-to:references:mime-version:from:to:cc:subject:date :message-id:reply-to; bh=sEnyaVCxeTo7fogPBKiKimrrhQPVr0UrqigxywBdCqE=; b=cFQw42YW/Ab0xA1EFASfV3kG0jrOE+xt3NfUPR51xpQLYhOJbK+VyRWEQ42yQM9NVk mZ+Du9CyClH9CjwZjYUEWTeXjpqsgUjMByOB5Dmvjq2t7dSrk8sEeosBYW0cjsjan9dg SpFAN6T7DPRT4zqMxuPU0nqXHmCVGcYWD2b8YptMwAfNlNgdll6YNEU4Qf6UWp2ZeVTM CCSlVDxRqTDItaFthu1M8tcIjQW+fC2ueKTIAIXdnCc0051FnB64Ujv0+OtCT2olrcg6 /MdD130mVNZIpsoe4PULnr9LmS3IzQdZKE3shhd0gm2TZfBtPe7749RnQEungH5QKM6p L7aA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1724258641; x=1724863441; h=content-transfer-encoding:cc:to:subject:message-id:date:from :in-reply-to:references:mime-version:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=sEnyaVCxeTo7fogPBKiKimrrhQPVr0UrqigxywBdCqE=; b=SILlxy/ONaHIXlykvTYzpUVYtM3flDA3PVpiakZx+haFEwSFOOVDuFmMY4ciYRSjFl Id9R8sOkHg8kiou4n3hbeKVnr1TPoJxSqb71h4/7lTOBN16Ztzt29T6vko/GQltzDd5S 4PPMNFTmq3zh6aibxmb/rE5vMov5qiFH1RcwLVpEMIqC/PcWF6oZ4/UUxOlj+KrLamt2 woVUhRyXCwLcIVEmKuD/BABQSdXxh1J7U19CUuZF1aHNZd/t9Mgehnk1WvSSJkCgkB8P /Xn5dbKbrRYUg5oj/ogysMQhF5q0ETs1zG8whX0dEWNj6KGHPHKvILRud3A/sni0VyzL bN9w== X-Forwarded-Encrypted: i=1; AJvYcCV7qhNaZjQPD9vh6U1ZvQ8QqeqG+0hOavWeiZKw0gL4s7xF2NMZF1xiCmxZkb+dQgRlN2o97bH0FZk=@vger.kernel.org, AJvYcCWUGpONUGwoNVmQ86/NGGUL9L+KswMbGays6D/qYXKvRXkcqrN0wLm7jmhUiwcgn20zvESpuDZmCruuyNNa@vger.kernel.org X-Gm-Message-State: AOJu0YzCZylwXbth3E9zDVM4n4cNhU8CL0ct2RxnmL1zaz6MoIC4RRWq X84JIYnIe5F5D9d5Czird5KxjsFUwbs+U4mpHDCdFtiILTtNggQPvciC8wax04A1SZTV8B6BUf1 vrqNER+fOJxf6su90Gos2MuWjpF2KqA== X-Google-Smtp-Source: AGHT+IGc8rj17D69zG/VL5kmvymbTbJEZ+tI2QgUHXTXpBZk+e3xvP9nOTqIPmeJUEePvoo5TEkBh4VQJE2KqOlRF10= X-Received: by 2002:a05:6512:3d09:b0:530:e228:7799 with SMTP id 2adb3069b0e04-533485bcd97mr2196989e87.58.1724258640875; Wed, 21 Aug 2024 09:44:00 -0700 (PDT) Precedence: bulk X-Mailing-List: linux-i2c@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 References: <20240819072052.8722-1-eichest@gmail.com> <20240819072052.8722-2-eichest@gmail.com> In-Reply-To: From: Fabio Estevam Date: Wed, 21 Aug 2024 13:43:49 -0300 Message-ID: Subject: Re: [PATCH v2 1/4] i2c: imx: only poll for bus busy in multi master mode To: Stefan Eichenberger Cc: Oleksij Rempel , kernel@pengutronix.de, andi.shyti@kernel.org, shawnguo@kernel.org, s.hauer@pengutronix.de, Frank.Li@nxp.com, francesco.dolcini@toradex.com, linux-i2c@vger.kernel.org, imx@lists.linux.dev, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Stefan Eichenberger Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable Hi Stefan and Oleksij, On Wed, Aug 21, 2024 at 12:23=E2=80=AFPM Stefan Eichenberger wrote: > Thanks a lot for testing. Are the other patches required as well or did > only introducing the master mode flag solve the issue? Only applying this one fixed the problem. > > It looks like with this patch, the I2SR_IAL interrupt is not cleared. > > I would expect some kind of interrupt storm. Can you confirm it? I have just inspected 'cat /proc/interrupts' and no interrupt storm is seen= . Thanks