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GET /api/patches/1936131/?format=api
{ "id": 1936131, "url": "http://patchwork.ozlabs.org/api/patches/1936131/?format=api", "web_url": "http://patchwork.ozlabs.org/project/linux-aspeed/patch/20240516181907.3468796-20-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": "<20240516181907.3468796-20-eajames@linux.ibm.com>", "list_archive_url": null, "date": "2024-05-16T18:18:46", "name": "[v3,19/40] fsi: aspeed: Only read result register for successful read", "commit_ref": null, "pull_url": null, "state": "new", "archived": false, "hash": "0dcb4f6b8e38b4be918cfef02ad4530886b7e82b", "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/20240516181907.3468796-20-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/1936131/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/1936131/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" ], "Authentication-Results": [ "legolas.ozlabs.org;\n\tdkim=fail reason=\"signature verification failed\" (2048-bit key;\n unprotected) header.d=ibm.com header.i=@ibm.com header.a=rsa-sha256\n header.s=pp1 header.b=TcvnQkC4;\n\tdkim-atps=neutral", "legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=lists.ozlabs.org\n (client-ip=2404:9400:2:0:216:3eff:fee1:b9f1; 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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=4QzZpzonx2C/GWGQRLgt495aUpGk9FXO31kMVCNBj/A=;\n b=TcvnQkC46AqLwhXr0vmmKLHDbtl7aiQ0m1MWoBdGhXcISifjSMQnlsnghw4vZFs0KYUR\n i/i0xjVO/8fOy1wfEwPE3xcUxWeYV7FTSXLbuLzu3GM8grVlKuuEP/KrWjvxzcZ8iEAh\n TjIr7QxWPXKP5QBsJ43JS31nvGQLuTqBCON/buH+Inq1Rz7bIYz4cBz+d2iwTLcLeqB1\n f4a8O0KE1E6I3NG4DWSxmvhNNmqdZ63+9G7+yFq6iJJKKdnTg863UFi26QA+9fNny9vU\n eG1ZxQWzrNQ3Q5tLNvc5QNsQy+2cENkMnWmlMEtTWVVMeI0xcb6nMa1Y4HYQc05TK6Ek xg==", "From": "Eddie James <eajames@linux.ibm.com>", "To": "linux-fsi@lists.ozlabs.org", "Subject": "[PATCH v3 19/40] fsi: aspeed: Only read result register for\n successful read", "Date": "Thu, 16 May 2024 13:18:46 -0500", "Message-Id": "<20240516181907.3468796-20-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-ORIG-GUID": "dseMJk1nsvCJkqP5Ol27olpILNqvAdTi", "X-Proofpoint-GUID": "dseMJk1nsvCJkqP5Ol27olpILNqvAdTi", "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 priorityscore=1501\n bulkscore=0 lowpriorityscore=0 mlxlogscore=999 mlxscore=0 impostorscore=0\n spamscore=0 phishscore=0 suspectscore=0 clxscore=1015 adultscore=0\n malwarescore=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": "No reason to read the result in the error path, and remove the\nnull pointer check on the output, as it should never be null.\n\nSigned-off-by: Eddie James <eajames@linux.ibm.com>\n---\n drivers/fsi/fsi-master-aspeed.c | 29 +++++++++++++----------------\n 1 file changed, 13 insertions(+), 16 deletions(-)", "diff": "diff --git a/drivers/fsi/fsi-master-aspeed.c b/drivers/fsi/fsi-master-aspeed.c\nindex f840c7c4a56b9..10ca23cf58c2e 100644\n--- a/drivers/fsi/fsi-master-aspeed.c\n+++ b/drivers/fsi/fsi-master-aspeed.c\n@@ -181,8 +181,6 @@ static int __opb_read(struct fsi_master_aspeed *aspeed, uint32_t addr,\n \twritel(OPB0_XFER_ACK_EN, base + OPB_IRQ_STATUS);\n \tstatus = readl(base + OPB0_STATUS);\n \n-\tresult = readl(base + OPB0_FSI_DATA_R);\n-\n \t/* Return error when poll timed out */\n \tif (ret) {\n \t\ttrace_fsi_master_aspeed_timeout(reg, status, true);\n@@ -193,21 +191,20 @@ static int __opb_read(struct fsi_master_aspeed *aspeed, uint32_t addr,\n \tif (status & STATUS_ERR_ACK)\n \t\treturn -EIO;\n \n-\tif (out) {\n-\t\tswitch (transfer_size) {\n-\t\tcase XFER_BYTE:\n-\t\t\t*(u8 *)out = result;\n-\t\t\tbreak;\n-\t\tcase XFER_HALFWORD:\n-\t\t\t*(u16 *)out = result;\n-\t\t\tbreak;\n-\t\tcase XFER_FULLWORD:\n-\t\t\t*(u32 *)out = result;\n-\t\t\tbreak;\n-\t\tdefault:\n-\t\t\treturn -EINVAL;\n-\t\t}\n+\tresult = readl(base + OPB0_FSI_DATA_R);\n \n+\tswitch (transfer_size) {\n+\tcase XFER_BYTE:\n+\t\t*(u8 *)out = result;\n+\t\tbreak;\n+\tcase XFER_HALFWORD:\n+\t\t*(u16 *)out = result;\n+\t\tbreak;\n+\tcase XFER_FULLWORD:\n+\t\t*(u32 *)out = result;\n+\t\tbreak;\n+\tdefault:\n+\t\treturn -EINVAL;\n \t}\n \n \ttrace_fsi_master_aspeed_opb_xfer(addr, transfer_size + 1, result, true);\n", "prefixes": [ "v3", "19/40" ] }