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Thu, 19 Aug 2021 09:57:14 +0000 From: Rasmus Villemoes To: u-boot@lists.denx.de Cc: Simon Glass , Stefan Roese , Tom Rini , Wolfgang Denk , Rasmus Villemoes Subject: [PATCH v6 00/12] handling all DM watchdogs in watchdog_reset() Date: Thu, 19 Aug 2021 11:56:54 +0200 Message-Id: <20210819095706.3585923-1-rasmus.villemoes@prevas.dk> X-Mailer: git-send-email 2.31.1 X-ClientProxiedBy: HE1P190CA0031.EURP190.PROD.OUTLOOK.COM (2603:10a6:7:52::20) To AM0PR10MB1874.EURPRD10.PROD.OUTLOOK.COM (2603:10a6:208:3f::10) MIME-Version: 1.0 X-MS-Exchange-MessageSentRepresentingType: 1 Received: from prevas-ravi.prevas.se (81.216.59.226) by HE1P190CA0031.EURP190.PROD.OUTLOOK.COM (2603:10a6:7:52::20) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.4436.19 via Frontend Transport; Thu, 19 Aug 2021 09:57:14 +0000 X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: db741d3e-2c56-45c1-1b75-08d962f7b8d5 X-MS-TrafficTypeDiagnostic: AM0PR10MB3170: X-MS-Exchange-Transport-Forked: True X-Microsoft-Antispam-PRVS: X-MS-Oob-TLC-OOBClassifiers: OLM:6430; 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Some of the ad hoc work done for the first DM watchdog in initr_watchdog() is now moved to a .pre_probe hook so it is automatically done for all devices. It also includes a patch adding a driver for a gpio-petted watchdog device (and a sandbox test of that) - it is included here because that also gives a relatively easy way to have more than one (kind of) watchdog device in the sandbox, which is then used at the end to test that watchdog_reset() behaves as expected. v2: https://lore.kernel.org/u-boot/20210527220017.1266765-1-rasmus.villemoes@prevas.dk/ v3: https://lore.kernel.org/u-boot/20210702124510.124401-1-rasmus.villemoes@prevas.dk/ v4: https://lore.kernel.org/u-boot/20210802150016.588750-1-rasmus.villemoes@prevas.dk/ v5: https://lore.kernel.org/u-boot/20210811124800.2593226-1-rasmus.villemoes@prevas.dk/ Changes in v6: Make wdt_stop_all() return the first error encountered (if any), yet still visit all watchdog devices. Rasmus Villemoes (12): watchdog: wdt-uclass.c: use wdt_start() in wdt_expire_now() watchdog: wdt-uclass.c: introduce struct wdt_priv watchdog: wdt-uclass.c: neaten UCLASS_DRIVER definition watchdog: wdt-uclass.c: refactor initr_watchdog() watchdog: wdt-uclass.c: keep track of each device's running state sandbox: disable CONFIG_WATCHDOG_AUTOSTART watchdog: wdt-uclass.c: add wdt_stop_all() helper board: x530: switch to wdt_stop_all() watchdog: wdt-uclass.c: handle all DM watchdogs in watchdog_reset() watchdog: add gpio watchdog driver sandbox: add test of wdt_gpio driver sandbox: add test of wdt-uclass' watchdog_reset() arch/sandbox/dts/test.dts | 8 + board/alliedtelesis/x530/x530.c | 5 +- configs/sandbox64_defconfig | 2 + configs/sandbox_defconfig | 2 + .../watchdog/gpio-wdt.txt | 19 ++ drivers/watchdog/Kconfig | 9 + drivers/watchdog/Makefile | 1 + drivers/watchdog/gpio_wdt.c | 68 +++++++ drivers/watchdog/wdt-uclass.c | 192 +++++++++++++----- include/asm-generic/global_data.h | 6 - include/wdt.h | 8 + test/dm/wdt.c | 90 +++++++- 12 files changed, 349 insertions(+), 61 deletions(-) create mode 100644 doc/device-tree-bindings/watchdog/gpio-wdt.txt create mode 100644 drivers/watchdog/gpio_wdt.c