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GET /api/patches/1936100/?format=api
{ "id": 1936100, "url": "http://patchwork.ozlabs.org/api/patches/1936100/?format=api", "web_url": "http://patchwork.ozlabs.org/project/linux-aspeed/patch/20240516181907.3468796-9-eajames@linux.ibm.com/", "project": { "id": 57, "url": "http://patchwork.ozlabs.org/api/projects/57/?format=api", "name": "Linux ASPEED SoC development", "link_name": "linux-aspeed", "list_id": "linux-aspeed.lists.ozlabs.org", "list_email": "linux-aspeed@lists.ozlabs.org", "web_url": "", "scm_url": "", "webscm_url": "", "list_archive_url": "", "list_archive_url_format": "", "commit_url_format": "" }, "msgid": "<20240516181907.3468796-9-eajames@linux.ibm.com>", "list_archive_url": null, "date": "2024-05-16T18:18:35", "name": "[v3,08/40] fsi: core: Reset errors instead of clearing interrupts", "commit_ref": null, "pull_url": null, "state": "new", "archived": false, "hash": "b96a60de551de5b5126b4bdc2209af9e9546978a", "submitter": { "id": 74989, "url": "http://patchwork.ozlabs.org/api/people/74989/?format=api", "name": "Eddie James", "email": "eajames@linux.ibm.com" }, "delegate": null, "mbox": "http://patchwork.ozlabs.org/project/linux-aspeed/patch/20240516181907.3468796-9-eajames@linux.ibm.com/mbox/", "series": [ { "id": 407101, "url": "http://patchwork.ozlabs.org/api/series/407101/?format=api", "web_url": "http://patchwork.ozlabs.org/project/linux-aspeed/list/?series=407101", "date": "2024-05-16T18:18:31", "name": "fsi: Add interrupt support", "version": 3, "mbox": "http://patchwork.ozlabs.org/series/407101/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/1936100/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/1936100/checks/", "tags": {}, "related": [], "headers": { "Return-Path": "\n <linux-aspeed-bounces+incoming=patchwork.ozlabs.org@lists.ozlabs.org>", "X-Original-To": [ "incoming@patchwork.ozlabs.org", "linux-aspeed@lists.ozlabs.org" ], "Delivered-To": [ "patchwork-incoming@legolas.ozlabs.org", "linux-aspeed@lists.ozlabs.org" ], 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smtpav05.dal12v.mail.ibm.com (smtpav05.dal12v.mail.ibm.com\n [10.241.53.104])\n\tby smtprelay03.wdc07v.mail.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id\n 44GIJAmo27001458\n\t(version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK);\n\tThu, 16 May 2024 18:19:12 GMT", "from smtpav05.dal12v.mail.ibm.com (unknown [127.0.0.1])\n\tby IMSVA (Postfix) with ESMTP id 015DA5807A;\n\tThu, 16 May 2024 18:19:10 +0000 (GMT)", "from smtpav05.dal12v.mail.ibm.com (unknown [127.0.0.1])\n\tby IMSVA (Postfix) with ESMTP id B5D605808B;\n\tThu, 16 May 2024 18:19:09 +0000 (GMT)", "from slate16.aus.stglabs.ibm.com (unknown [9.61.107.19])\n\tby smtpav05.dal12v.mail.ibm.com (Postfix) with ESMTP;\n\tThu, 16 May 2024 18:19:09 +0000 (GMT)" ], "DKIM-Signature": "v=1; a=rsa-sha256; c=relaxed/relaxed; d=ibm.com;\n h=from : to : cc : subject\n : date : message-id : in-reply-to : references : mime-version :\n content-transfer-encoding; s=pp1;\n bh=35QhAQ7kX9QHCSy8fxK00Ig3Cr+S1lp5g6DIkdhYmNw=;\n b=W2hyvCjOJkT5vCeNZ523rlDuSALQ3RX+Dg4i46pkZSGN46mlN2Y6f9vQwHzOmJbasn6U\n oeXeQnnGX93h1Vbpy7LUC57JfN1gTg9otcVj0xsjR5+qG8awUzTEFyrMHWlHLbke0bdQ\n l4GyJKoaLEbAtLnsHZvUxavo7CXSV/uJN/NoGCy5c2hS3JfiDrWe3DoZWkwJX3t+rvLf\n GSdpBfjXqSrVqFLY50bx3B/MyLGkjZleyA0oSFeXJ0GoDwYgYP3Dv6z0XWaF60F1IxHq\n zOdeaCZTXld49ZNYOIGXfAEQ8QJyMN6vQvRCuKUzsYjVPiePWNt/OujBB/ptTUuBDlG/ WA==", "From": "Eddie James <eajames@linux.ibm.com>", "To": "linux-fsi@lists.ozlabs.org", "Subject": "[PATCH v3 08/40] fsi: core: Reset errors instead of clearing\n interrupts", "Date": "Thu, 16 May 2024 13:18:35 -0500", "Message-Id": "<20240516181907.3468796-9-eajames@linux.ibm.com>", "X-Mailer": "git-send-email 2.39.3", "In-Reply-To": "<20240516181907.3468796-1-eajames@linux.ibm.com>", "References": "<20240516181907.3468796-1-eajames@linux.ibm.com>", "MIME-Version": "1.0", "Content-Transfer-Encoding": "8bit", "X-TM-AS-GCONF": "00", "X-Proofpoint-GUID": "OeLpiFkQuiAjXgMzGoRM9L88eQWvf1vM", "X-Proofpoint-ORIG-GUID": "OeLpiFkQuiAjXgMzGoRM9L88eQWvf1vM", "X-Proofpoint-Virus-Version": "vendor=baseguard\n engine=ICAP:2.0.293,Aquarius:18.0.1039,Hydra:6.0.650,FMLib:17.11.176.26\n definitions=2024-05-16_07,2024-05-15_01,2023-05-22_02", "X-Proofpoint-Spam-Details": "rule=outbound_notspam policy=outbound score=0\n clxscore=1015 mlxscore=0\n bulkscore=0 adultscore=0 malwarescore=0 spamscore=0 phishscore=0\n priorityscore=1501 impostorscore=0 mlxlogscore=999 suspectscore=0\n lowpriorityscore=0 classifier=spam adjust=0 reason=mlx scancount=1\n engine=8.12.0-2405010000 definitions=main-2405160132", "X-BeenThere": "linux-aspeed@lists.ozlabs.org", "X-Mailman-Version": "2.1.29", "Precedence": "list", "List-Id": "Linux ASPEED SoC development <linux-aspeed.lists.ozlabs.org>", "List-Unsubscribe": "<https://lists.ozlabs.org/options/linux-aspeed>,\n <mailto:linux-aspeed-request@lists.ozlabs.org?subject=unsubscribe>", "List-Archive": "<http://lists.ozlabs.org/pipermail/linux-aspeed/>", "List-Post": "<mailto:linux-aspeed@lists.ozlabs.org>", "List-Help": "<mailto:linux-aspeed-request@lists.ozlabs.org?subject=help>", "List-Subscribe": "<https://lists.ozlabs.org/listinfo/linux-aspeed>,\n <mailto:linux-aspeed-request@lists.ozlabs.org?subject=subscribe>", "Cc": "andi.shyti@kernel.org, linux-aspeed@lists.ozlabs.org, jk@ozlabs.org,\n alistair@popple.id.au, linux-kernel@vger.kernel.org,\n linux-spi@vger.kernel.org, broonie@kernel.org, andrew@codeconstruct.com.au,\n linux-i2c@vger.kernel.org", "Errors-To": "linux-aspeed-bounces+incoming=patchwork.ozlabs.org@lists.ozlabs.org", "Sender": "\"Linux-aspeed\"\n <linux-aspeed-bounces+incoming=patchwork.ozlabs.org@lists.ozlabs.org>" }, "content": "The proper way to clear error conditions is to use the SRES\nregister rather than simple clearing SISC.\n\nSigned-off-by: Eddie James <eajames@linux.ibm.com>\n---\n drivers/fsi/fsi-core.c | 9 +++++----\n drivers/fsi/fsi-slave.h | 6 ++++++\n 2 files changed, 11 insertions(+), 4 deletions(-)", "diff": "diff --git a/drivers/fsi/fsi-core.c b/drivers/fsi/fsi-core.c\nindex 93bbdcf50a89a..ce9762d1bd8b0 100644\n--- a/drivers/fsi/fsi-core.c\n+++ b/drivers/fsi/fsi-core.c\n@@ -166,7 +166,7 @@ static int fsi_slave_calc_addr(struct fsi_slave *slave, uint32_t *addrp,\n static int fsi_slave_report_and_clear_errors(struct fsi_slave *slave)\n {\n \tstruct fsi_master *master = slave->master;\n-\t__be32 irq, stat;\n+\t__be32 irq, reset, stat;\n \tint rc, link;\n \tuint8_t id;\n \n@@ -187,9 +187,10 @@ static int fsi_slave_report_and_clear_errors(struct fsi_slave *slave)\n \t\t\tbe32_to_cpu(stat), be32_to_cpu(irq));\n \ttrace_fsi_slave_error(slave, be32_to_cpu(irq), be32_to_cpu(stat));\n \n-\t/* clear interrupts */\n-\treturn fsi_master_write(master, link, id, FSI_SLAVE_BASE + FSI_SISC,\n-\t\t\t&irq, sizeof(irq));\n+\t/* reset errors */\n+\treset = cpu_to_be32(FSI_SRES_ERRS);\n+\treturn fsi_master_write(master, link, id, FSI_SLAVE_BASE + FSI_SRES, &reset,\n+\t\t\t\tsizeof(reset));\n }\n \n /* Encode slave local bus echo delay */\ndiff --git a/drivers/fsi/fsi-slave.h b/drivers/fsi/fsi-slave.h\nindex fabc0b66d5bf3..e9fd4be6f3760 100644\n--- a/drivers/fsi/fsi-slave.h\n+++ b/drivers/fsi/fsi-slave.h\n@@ -24,6 +24,7 @@\n #define FSI_SSI1M\t\t0x1c\t/* S : Set slave interrupt 1 mask */\n #define FSI_SCI1M\t\t0x20\t/* C : Clear slave interrupt 1 mask */\n #define FSI_SLBUS\t\t0x30\t/* W : LBUS Ownership */\n+#define FSI_SRES\t\t0x34\t/* W : Reset */\n #define FSI_SRSIC0\t\t0x68\t/* C : Clear remote interrupt condition */\n #define FSI_SRSIC4\t\t0x6c\t/* C : Clear remote interrupt condition */\n #define FSI_SRSIM0\t\t0x70\t/* R/W: Remote interrupt mask */\n@@ -90,6 +91,11 @@\n */\n #define FSI_SLBUS_FORCE\t\t0x80000000\t/* Force LBUS ownership */\n \n+/*\n+ * SRES fields\n+ */\n+#define FSI_SRES_ERRS\t\t0x40000000\t/* Reset FSI slave errors */\n+\n /*\n * LLMODE fields\n */\n", "prefixes": [ "v3", "08/40" ] }