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[23.128.96.18]) by mx.google.com with ESMTP id rk8si304604ejb.578.2020.07.08.10.38.32; Wed, 08 Jul 2020 10:38:55 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; dkim=pass header.i=@kernel.org header.s=default header.b=oRK1fdgO; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730827AbgGHRIe (ORCPT + 99 others); Wed, 8 Jul 2020 13:08:34 -0400 Received: from mail.kernel.org ([198.145.29.99]:39536 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1730143AbgGHRId (ORCPT ); Wed, 8 Jul 2020 13:08:33 -0400 Received: from [192.168.1.26] (cpe-70-114-128-244.austin.res.rr.com [70.114.128.244]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 8A0E120658; Wed, 8 Jul 2020 17:08:32 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1594228113; bh=ZweyIDuSEj4TGRfgHl730FqUUHxZIKjgrRk9wtW2wCI=; h=Subject:To:Cc:References:From:Date:In-Reply-To:From; b=oRK1fdgOb7p9TLEw5aMB7qcYOZUnjAN/6uHVDEw3jq4p3bbxD+7EoDA+IPFsPjmlk cc6kWZcS8bLmyqWDmJdK101uPEMV1FwIrJzW0U8M20FYTIR9qpvioaoVrtadCEqjFL UJ47wAp8dbGFpWUFxexGTsD2iztXTexuGIfNZh60= Subject: Re: [PATCH] fpga: stratix10-soc: make FPGA task un-interruptible To: richard.gong@linux.intel.com, mdf@kernel.org Cc: linux-fpga@vger.kernel.org, linux-kernel@vger.kernel.org, richard.gong@intel.com References: <1594138447-21488-1-git-send-email-richard.gong@linux.intel.com> From: Dinh Nguyen Autocrypt: addr=dinguyen@kernel.org; prefer-encrypt=mutual; keydata= xsFNBFEnvWwBEAC44OQqJjuetSRuOpBMIk3HojL8dY1krl8T8GJjfgc/Gh97CfVbrqhV5yQ3 Sk/MW9mxO9KNvQCbZtthfn62YHmroNwipjZ6wKOMfKdtJR4+8JW/ShIJYnrMfwN8Wki6O+5a yPNNCeENHleV0FLVXw3aACxOcjEzGJHYmg4UC+56rfoxPEhKF6aGBTV5aGKMtQy77ywuqt12 c+hlRXHODmXdIeT2V4/u/AsFNAq6UFUEvHrVj+dMIyv2VhjRvkcESIGnG12ifPdU7v/+wom/ smtfOAGojgTCqpwd0Ay2xFzgGnSCIFRHp0I/OJqhUcwAYEAdgHSBVwiyTQx2jP+eDu3Q0jI3 K/x5qrhZ7lj8MmJPJWQOSYC4fYSse2oVO+2msoMTvMi3+Jy8k+QNH8LhB6agq7wTgF2jodwO yij5BRRIKttp4U62yUgfwbQtEUvatkaBQlG3qSerOzcdjSb4nhRPxasRqNbgkBfs7kqH02qU LOAXJf+y9Y1o6Nk9YCqb5EprDcKCqg2c8hUya8BYqo7y+0NkBU30mpzhaJXncbCMz3CQZYgV 1TR0qEzMv/QtoVuuPtWH9RCC83J5IYw1uFUG4RaoL7Z03fJhxGiXx3/r5Kr/hC9eMl2he6vH 8rrEpGGDm/mwZOEoG5D758WQHLGH4dTAATg0+ZzFHWBbSnNaSQARAQABzSFEaW5oIE5ndXll biA8ZGluZ3V5ZW5Aa2VybmVsLm9yZz7CwXgEEwECACIFAlbG5oQCGwMGCwkIBwMCBhUIAgkK CwQWAgMBAh4BAheAAAoJEBmUBAuBoyj0fIgQAICrZ2ceRWpkZv1UPM/6hBkWwOo3YkzSQwL+ AH15hf9xx0D5mvzEtZ97ZoD0sAuB+aVIFwolet+nw49Q8HA3E/3j0DT7sIAqJpcPx3za+kKT twuQ4NkQTTi4q5WCpA5b6e2qzIynB50b3FA6bCjJinN06PxhdOixJGv1qDDmJ01fq2lA7/PL cny/1PIo6PVMWo9nf77L6iXVy8sK/d30pa1pjhMivfenIleIPYhWN1ZdRAkH39ReDxdqjQXN NHanNtsnoCPFsqeCLmuUwcG+XSTo/gEM6l2sdoMF4qSkD4DdrVf5rsOyN4KJAY9Uqytn4781 n6l1NAQSRr0LPT5r6xdQ3YXIbwUfrBWh2nDPm0tihuHoH0CfyJMrFupSmjrKXF84F3cq0DzC yasTWUKyW/YURbWeGMpQH3ioDLvBn0H3AlVoSloaRzPudQ6mP4O8mY0DZQASGf6leM82V3t0 Gw8MxY9tIiowY7Yl2bHqXCorPlcEYXjzBP32UOxIK7y7AQ1JQkcv6pZ0/6lX6hMshzi9Ydw0 m8USfFRZb48gsp039gODbSMCQ2NfxBEyUPw1O9nertCMbIO/0bHKkP9aiHwg3BPwm3YL1UvM ngbze/8cyjg9pW3Eu1QAzMQHYkT1iiEjJ8fTssqDLjgJyp/I3YHYUuAf3i8SlcZTusIwSqnD zsFNBFEnvWwBEADZqma4LI+vMqJYe15fxnX8ANw+ZuDeYHy17VXqQ7dA7n8E827ndnoXoBKB 0n7smz1C0I9StarHQPYTUciMLsaUpedEfpYgqLa7eRLFPvk/cVXxmY8Pk+aO8zHafr8yrFB1 cYHO3Ld8d/DvF2DuC3iqzmgXzaRQhvQZvJ513nveCa2zTPPCj5w4f/Qkq8OgCz9fOrf/CseM xcP3Jssyf8qTZ4CTt1L6McRZPA/oFNTTgS/KA22PMMP9i8E6dF0Nsj0MN0R7261161PqfA9h 5c+BBzKZ6IHvmfwY+Fb0AgbqegOV8H/wQYCltPJHeA5y1kc/rqplw5I5d8Q6B29p0xxXSfaP UQ/qmXUkNQPNhsMnlL3wRoCol60IADiEyDJHVZRIl6U2K54LyYE1vkf14JM670FsUH608Hmk 30FG8bxax9i+8Muda9ok/KR4Z/QPQukmHIN9jVP1r1C/aAEvjQ2PK9aqrlXCKKenQzZ8qbeC rOTXSuJgWmWnPWzDrMxyEyy+e84bm+3/uPhZjjrNiaTzHHSRnF2ffJigu9fDKAwSof6SwbeH eZcIM4a9Dy+Ue0REaAqFacktlfELeu1LVzMRvpIfPua8izTUmACTgz2kltTaeSxAXZwIziwY prPU3cfnAjqxFHO2TwEpaQOMf8SH9BSAaCXArjfurOF+Pi3lKwARAQABwsFfBBgBAgAJBQJR J71sAhsMAAoJEBmUBAuBoyj0MnIQAI+bcNsfTNltf5AbMJptDgzISZJrYCXuzOgv4+d1CubD 83s0k6VJgsiCIEpvELQJsr58xB6l+o3yTBZRo/LViNLk0jF4CmCdXWjTyaQAIceEdlaeeTGH d5GqAud9rv9q1ERHTcvmoEX6pwv3m66ANK/dHdBV97vXacl+BjQ71aRiAiAFySbJXnqj+hZQ K8TCI/6TOtWJ9aicgiKpmh/sGmdeJCwZ90nxISvkxDXLEmJ1prvbGc74FGNVNTW4mmuNqj/p oNr0iHan8hjPNXwoyLNCtj3I5tBmiHZcOiHDUufHDyKQcsKsKI8kqW3pJlDSACeNpKkrjrib 3KLQHSEhTQCt3ZUDf5xNPnFHOnBjQuGkumlmhkgD5RVguki39AP2BQYp/mdk1NCRQxz5PR1B 2w0QaTgPY24chY9PICcMw+VeEgHZJAhuARKglxiYj9szirPd2kv4CFu2w6a5HNMdVT+i5Hov cJEJNezizexE0dVclt9OS2U9Xwb3VOjs1ITMEYUf8T1j83iiCCFuXqH4U3Eji0nDEiEN5Ac0 Jn/EGOBG2qGyKZ4uOec9j5ABF7J6hyO7H6LJaX5bLtp0Z7wUbyVaR4UIGdIOchNgNQk4stfm JiyuXyoFl/1ihREfvUG/e7+VAAoOBnMjitE5/qUERDoEkkuQkMcAHyEyd+XZMyXY Message-ID: <3e45e4a4-f002-ecf8-110f-bf7d646a5dbe@kernel.org> Date: Wed, 8 Jul 2020 12:08:31 -0500 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.8.0 MIME-Version: 1.0 In-Reply-To: <1594138447-21488-1-git-send-email-richard.gong@linux.intel.com> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi On 7/7/20 11:14 AM, richard.gong@linux.intel.com wrote: > From: Richard Gong > > When CTRL+C occurs during the process of FPGA reconfiguration, the FPGA > reconfiguration process stops and the user can't perform a new FPGA > reconfiguration properly. > > Set FPGA complete task to be not interruptible so that the user can > properly perform FPGA reconfiguration after CTRL+C event. > > Signed-off-by: Richard Gong > --- > drivers/fpga/stratix10-soc.c | 23 +++-------------------- > 1 file changed, 3 insertions(+), 20 deletions(-) > > diff --git a/drivers/fpga/stratix10-soc.c b/drivers/fpga/stratix10-soc.c > index 44b7c56..657a70c 100644 > --- a/drivers/fpga/stratix10-soc.c > +++ b/drivers/fpga/stratix10-soc.c > @@ -196,17 +196,13 @@ static int s10_ops_write_init(struct fpga_manager *mgr, > if (ret < 0) > goto init_done; > > - ret = wait_for_completion_interruptible_timeout( > + ret = wait_for_completion_timeout( > &priv->status_return_completion, S10_RECONFIG_TIMEOUT); > if (!ret) { > dev_err(dev, "timeout waiting for RECONFIG_REQUEST\n"); > ret = -ETIMEDOUT; > goto init_done; > } > - if (ret < 0) { > - dev_err(dev, "error (%d) waiting for RECONFIG_REQUEST\n", ret); > - goto init_done; > - } > > ret = 0; > if (!test_and_clear_bit(SVC_STATUS_OK, &priv->status)) { > @@ -318,7 +314,7 @@ static int s10_ops_write(struct fpga_manager *mgr, const char *buf, > */ > wait_status = 1; /* not timed out */ > if (!priv->status) > - wait_status = wait_for_completion_interruptible_timeout( > + wait_status = wait_for_completion_timeout( > &priv->status_return_completion, > S10_BUFFER_TIMEOUT); > > @@ -340,13 +336,6 @@ static int s10_ops_write(struct fpga_manager *mgr, const char *buf, > ret = -ETIMEDOUT; > break; > } > - if (wait_status < 0) { > - ret = wait_status; > - dev_err(dev, > - "error (%d) waiting for svc layer buffers\n", > - ret); > - break; > - } > } > > if (!s10_free_buffers(mgr)) > @@ -372,7 +361,7 @@ static int s10_ops_write_complete(struct fpga_manager *mgr, > if (ret < 0) > break; > > - ret = wait_for_completion_interruptible_timeout( > + ret = wait_for_completion_timeout( > &priv->status_return_completion, timeout); > if (!ret) { > dev_err(dev, > @@ -380,12 +369,6 @@ static int s10_ops_write_complete(struct fpga_manager *mgr, > ret = -ETIMEDOUT; > break; > } > - if (ret < 0) { > - dev_err(dev, > - "error (%d) waiting for RECONFIG_COMPLETED\n", > - ret); > - break; > - } > /* Not error or timeout, so ret is # of jiffies until timeout */ > timeout = ret; > ret = 0; > Do you need the same change in drivers/fpga/socfpga.c? Also, you did not include Moritz Fisher on this. He's the maintainer. Dinh