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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. 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 | 248 +++++++++++------------------------ 2 files changed, 76 insertions(+), 175 deletions(-) -- 2.54.0