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Sat, 23 May 2026 18:51:00 -0700 (PDT) Received: from ryzen ([2601:644:8000:5b5d:7285:c2ff:fe45:8a32]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-2beb58c3168sm54822965ad.58.2026.05.23.18.50.58 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 23 May 2026 18:50:59 -0700 (PDT) From: Rosen Penev To: linux-watchdog@vger.kernel.org Cc: Wim Van Sebroeck , Guenter Roeck , linux-kernel@vger.kernel.org (open list) Subject: [PATCHv2 0/2] watchdog: ath79: modernize and broaden build coverage Date: Sat, 23 May 2026 18:50:40 -0700 Message-ID: <20260524015042.175271-1-rosenp@gmail.com> X-Mailer: git-send-email 2.54.0 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Patch 1 splits OF out as a hard dependency (the driver has always been OF-only) and broadens COMPILE_TEST coverage from ARM to all architectures, so the driver can be built on non-MIPS targets. Patch 2 moves the driver off the legacy miscdevice/file_operations interface to the watchdog_device framework. This drops ~100 lines of hand-rolled ioctl, open/release, and busy/expect-close bookkeeping in favor of framework callbacks, fixes get_timeleft() to return seconds instead of raw clock ticks, and properly propagates -EPROBE_DEFER from clk_get(). nowayout, the timeout module parameter, and module .owner are wired through the standard helpers. Tested on an Archer C7v2; sysupgrade watchdog handoff still works. v2: addressed review comments Rosen Penev (2): watchdog: ath79_wdt: select OF and COMPILE_TEST watchdog: ath79: convert to watchdog_device drivers/watchdog/Kconfig | 3 +- drivers/watchdog/ath79_wdt.c | 250 +++++++++++------------------------ 2 files changed, 77 insertions(+), 176 deletions(-) -- 2.54.0