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GET /api/patches/2196625/?format=api
{ "id": 2196625, "url": "http://patchwork.ozlabs.org/api/patches/2196625/?format=api", "web_url": "http://patchwork.ozlabs.org/project/uboot/patch/20260215151639.3472200-1-padmarao.begari@amd.com/", "project": { "id": 18, "url": "http://patchwork.ozlabs.org/api/projects/18/?format=api", "name": "U-Boot", "link_name": "uboot", "list_id": "u-boot.lists.denx.de", "list_email": "u-boot@lists.denx.de", "web_url": null, "scm_url": null, "webscm_url": null, "list_archive_url": "", "list_archive_url_format": "", "commit_url_format": "" }, "msgid": "<20260215151639.3472200-1-padmarao.begari@amd.com>", "list_archive_url": null, "date": "2026-02-15T15:16:26", "name": "[v2] spi: cadence_qspi: pulse controller reset at probe", "commit_ref": null, "pull_url": null, "state": "new", "archived": false, "hash": "a173dbd5b1e336978065e0cf6661a0527f06741f", "submitter": { "id": 89329, "url": "http://patchwork.ozlabs.org/api/people/89329/?format=api", "name": "Padmarao Begari", "email": "padmarao.begari@amd.com" }, "delegate": { "id": 17739, "url": "http://patchwork.ozlabs.org/api/users/17739/?format=api", "username": "jagan", "first_name": "Jagannadha Sutradharudu", "last_name": "Teki", "email": "jagannadh.teki@gmail.com" }, "mbox": "http://patchwork.ozlabs.org/project/uboot/patch/20260215151639.3472200-1-padmarao.begari@amd.com/mbox/", "series": [ { "id": 492224, "url": "http://patchwork.ozlabs.org/api/series/492224/?format=api", "web_url": "http://patchwork.ozlabs.org/project/uboot/list/?series=492224", "date": "2026-02-15T15:16:26", "name": "[v2] spi: cadence_qspi: pulse controller reset at probe", "version": 2, "mbox": "http://patchwork.ozlabs.org/series/492224/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/2196625/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/2196625/checks/", "tags": {}, "related": [], "headers": { "Return-Path": "<u-boot-bounces@lists.denx.de>", "X-Original-To": "incoming@patchwork.ozlabs.org", "Delivered-To": "patchwork-incoming@legolas.ozlabs.org", "Authentication-Results": [ "legolas.ozlabs.org;\n\tdkim=pass (1024-bit key;\n unprotected) header.d=amd.com header.i=@amd.com header.a=rsa-sha256\n header.s=selector1 header.b=AjUk5Cu5;\n\tdkim-atps=neutral", "legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=lists.denx.de\n (client-ip=2a01:238:438b:c500:173d:9f52:ddab:ee01; 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helo=satlexmb08.amd.com; pr=C", "None (SATLEXMB03.amd.com: padmarao.begari@amd.com does not\n designate permitted sender hosts)" ], "From": "Padmarao Begari <padmarao.begari@amd.com>", "To": "<u-boot@lists.denx.de>, <michal.simek@amd.com>", "CC": "<git@amd.com>, <padmarao.begari@amd.com>, Jagan Teki\n <jagan@amarulasolutions.com>, Tom Rini <trini@konsulko.com>", "Subject": "[PATCH v2] spi: cadence_qspi: pulse controller reset at probe", "Date": "Sun, 15 Feb 2026 20:46:26 +0530", "Message-ID": "<20260215151639.3472200-1-padmarao.begari@amd.com>", "X-Mailer": "git-send-email 2.34.1", "MIME-Version": "1.0", "Content-Type": "text/plain; charset=\"UTF-8\"", "Content-Transfer-Encoding": "8bit", "X-EOPAttributedMessage": "0", "X-MS-PublicTrafficType": "Email", "X-MS-TrafficTypeDiagnostic": "SA2PEPF00001505:EE_|DS0PR12MB9039:EE_", "X-MS-Office365-Filtering-Correlation-Id": "84c889ed-277f-4133-0030-08de6ca54046", "X-MS-Exchange-SenderADCheck": "1", "X-MS-Exchange-AntiSpam-Relay": "0", "X-Microsoft-Antispam": "BCL:0;\n ARA:13230040|82310400026|1800799024|376014|36860700013;", "X-Microsoft-Antispam-Message-Info": "=?utf-8?q?ZWS6eyAwaYh7qrtKnjKM43q5RlG8y79?=\n\t=?utf-8?q?UHnfSYx6e3Ma9jT+LzoCLLVsb0xPMzsM9EW0T2c8L4YUGJXaLXtGxWlQYqhulde96?=\n\t=?utf-8?q?SBAnC0BZmYJWo9pW0V7pxI9xl4oXN8Wroshz7UYUWEb/oigT6UKEt9buqYlSXllDz?=\n\t=?utf-8?q?sVyQC/SaQdTt6iYG5cpaLLBbdmXdL0mQevmM4PDiTHSI0Dnen5P6TSjPLn4S409Wz?=\n\t=?utf-8?q?WVhkeVhXl4jU/u+GthFuLDJvpLfc1vwv1yf328BaN2q46w5BhiPel7L6/O50+we5c?=\n\t=?utf-8?q?+/SPM20iFw1R0OACI7exNQfZ7WOnbN1C/p8lH2QvEbYNOLlhUuCjWvc1cTigVNBEN?=\n\t=?utf-8?q?KVKQ+47L5N8T6wINREMeNoJgkGr8ZUBjaaW+YKPS2DlqNWgV+de6O7jZgAh0XFu+h?=\n\t=?utf-8?q?4wsAhXeLuyRlOqP8pZfHeBWRaS8mOiOKwvyjuQEldfM9WcHB08AVeUrEE8bs8DCJn?=\n\t=?utf-8?q?BWN08yYC54knYzYllfL35nxMZe5nL8gQqSuvmSVhwjM/E45QmbN9c28Qd/7JkHOfl?=\n\t=?utf-8?q?SdEp8aezqH15TypDiBrXr/PIIOxu7OpboohWMl6TzykO1LnkZhCa1n3SCXlS6jdWc?=\n\t=?utf-8?q?6JOH/potlLQkyO7u77sgvx6dsNXht92OQiIfBPb5nMePSL5dYzeMxB6mk05vusEjQ?=\n\t=?utf-8?q?J2lD+T+jSQao3f2RADD251yzgf4FPiMe95XG2rAAeOoBiCMroUVWPirFe0WUOJzEe?=\n\t=?utf-8?q?kDSJqRN3fe89cQbynEQyIiMFDdjzKJVfhJn7XkbETRZE4lMyJ/6hiFPJbcv5K5lae?=\n\t=?utf-8?q?/lkAqhMqGheZxAGM2oaulsFoY8Z4m7gLS/kjC+31Y8JkKWwNhECZVQRgvDMP22Uhg?=\n\t=?utf-8?q?++FXiJtpFYi1ZDzmZ9HZRv8/EFxjE9ZKdHJNuVMIjgOQiQtMfONqNp2LC3F5P1rmJ?=\n\t=?utf-8?q?ht8LeCUc1aIhSuyoj7Cw6yROYTxu6dfgy3bMFIktZPEy4jrqK6TUMv74vaynqsWxs?=\n\t=?utf-8?q?m0NV0GOYC/eVmttLdsKeQuG4KIL33kFyOFe37g6QYOr+5UQTgGH4iPxqe1nA+wGzh?=\n\t=?utf-8?q?WFyJr7TaS6g5SO6aYnx1TJgmhCTtaJibsKPqF8927q2Sx2hu9F23iNmR1Sw+Z4Nnf?=\n\t=?utf-8?q?JTvy/pl4Y643dKo5dcX5tX527SX9acz3J3XOudJuSYG2VuZYoOXHCnImXJXVJeHfS?=\n\t=?utf-8?q?UkPHNHs6UvLatCdlI0d6wwH/WfW4HVhvPXh7hCBBjYto2mSHdFCVSCcLfyVNAQcy9?=\n\t=?utf-8?q?QrwKc3H/Qs4AEc++6/hFvno3uCbXHTSZnsKay1BZts6Dd/McecyFYKQQfvJx6qade?=\n\t=?utf-8?q?0151aosu1qFVJ7crGNEBzE9MZNOLDMRXTuTFL1zqUYPWnUj4OVN1uC5HMpxbLq5wy?=\n\t=?utf-8?q?cC2zDHocHxPA/tmY0n8kqn4ss6HqAGs75xrJIEk6ccdsBJoJ99zW6yldqooCFoPIj?=\n\t=?utf-8?q?V2JHNb/ZxNU+w7WDytFwAqMO+bLFit2gHOVBWHoNtoqgZJR41InTwxhLPzwbdpFY7?=\n\t=?utf-8?q?edJjQMZPq754bhzK9MjvL3fU5dGFKEAflMyqP/Z0DYl8YflkA3jrkw/0xLhknGrUo?=\n\t=?utf-8?q?CcRZEvFxR2rPWvPXty9zSCCx6Vp9ZPu5YdCIZoACs1gLA45jUgGgvSehdEXSz6Dd1?=\n\t=?utf-8?q?jeEkb+hyT44PF+GuglHNqiancs3n7Q=3D=3D?=", "X-Forefront-Antispam-Report": "CIP:165.204.84.17; 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Ip=[165.204.84.17];\n Helo=[satlexmb08.amd.com]", "X-MS-Exchange-CrossTenant-AuthSource": "\n SA2PEPF00001505.namprd04.prod.outlook.com", "X-MS-Exchange-CrossTenant-AuthAs": "Anonymous", "X-MS-Exchange-CrossTenant-FromEntityHeader": "HybridOnPrem", "X-MS-Exchange-Transport-CrossTenantHeadersStamped": "DS0PR12MB9039", "X-BeenThere": "u-boot@lists.denx.de", "X-Mailman-Version": "2.1.39", "Precedence": "list", "List-Id": "U-Boot discussion <u-boot.lists.denx.de>", "List-Unsubscribe": "<https://lists.denx.de/options/u-boot>,\n <mailto:u-boot-request@lists.denx.de?subject=unsubscribe>", "List-Archive": "<https://lists.denx.de/pipermail/u-boot/>", "List-Post": "<mailto:u-boot@lists.denx.de>", "List-Help": "<mailto:u-boot-request@lists.denx.de?subject=help>", "List-Subscribe": "<https://lists.denx.de/listinfo/u-boot>,\n <mailto:u-boot-request@lists.denx.de?subject=subscribe>", "Errors-To": "u-boot-bounces@lists.denx.de", "Sender": "\"U-Boot\" <u-boot-bounces@lists.denx.de>", "X-Virus-Scanned": "clamav-milter 0.103.8 at phobos.denx.de", "X-Virus-Status": "Clean" }, "content": "The driver previously only deasserted the optional bulk reset,\nleaving the controller in whatever state earlier stages left it and\nrisking failed probes or bad transfers. Assert the reset first, wait\n10 µs, and then deassert so the OSPI block starts from a known state.\n\nSigned-off-by: Padmarao Begari <padmarao.begari@amd.com>\n---\nChanges in v2:\n-Remove the reset condition based on CONFIG_ZYNQMP_FIRMWARE\n-Use reset bulk option\n-Add assert and delay for reset\n-Update commit message and subject\n---\n drivers/spi/cadence_qspi.c | 20 ++++++++++++++++++--\n 1 file changed, 18 insertions(+), 2 deletions(-)", "diff": "diff --git a/drivers/spi/cadence_qspi.c b/drivers/spi/cadence_qspi.c\nindex d1404e13810..2a4a49c5f1c 100644\n--- a/drivers/spi/cadence_qspi.c\n+++ b/drivers/spi/cadence_qspi.c\n@@ -13,6 +13,7 @@\n #include <spi.h>\n #include <spi-mem.h>\n #include <dm/device_compat.h>\n+#include <linux/delay.h>\n #include <linux/err.h>\n #include <linux/errno.h>\n #include <linux/io.h>\n@@ -254,8 +255,23 @@ static int cadence_spi_probe(struct udevice *bus)\n \t}\n \n \tpriv->resets = devm_reset_bulk_get_optional(bus);\n-\tif (priv->resets)\n-\t\treset_deassert_bulk(priv->resets);\n+\tif (priv->resets) {\n+\t\t/* Assert all OSPI reset lines */\n+\t\tret = reset_assert_bulk(priv->resets);\n+\t\tif (ret) {\n+\t\t\tdev_err(bus, \"Failed to assert OSPI reset: %d\\n\", ret);\n+\t\t\treturn ret;\n+\t\t}\n+\n+\t\tudelay(10);\n+\n+\t\t/* Deassert all OSPI reset lines */\n+\t\tret = reset_deassert_bulk(priv->resets);\n+\t\tif (ret) {\n+\t\t\tdev_err(bus, \"Failed to deassert OSPI reset: %d\\n\", ret);\n+\t\t\treturn ret;\n+\t\t}\n+\t}\n \n \tif (!priv->qspi_is_init) {\n \t\tcadence_qspi_apb_controller_init(priv);\n", "prefixes": [ "v2" ] }