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title: Watchdog; implement handover from bootloader
team: IO
key: a0883915-709c-4116-afc3-2629f1b06a4f
assignee: Ulrich, Wolfram
status: Done
upstream:
- torvalds: ed4a11807d2a35ccfc0d00371f20b826f670b5f2 # clk: renesas: cpg-mssr: Mark clocks as critical only if on at boot
- torvalds: f23f1101ad0ef1acdc219d3364522166e2c711ce # clk: renesas: rcar-gen3: Mark RWDT clocks as critical
- torvalds: 52bc5ea6edde35bc65ed6ecd7639534e78002c74 # clk: renesas: rzg2: Mark RWDT clocks as critical
- torvalds: 962085a2bb823d8c88c6bc706c654648407e6408 # watchdog: renesas_wdt: support handover from bootloader
comments:
- "RFC, needs discussion with Geert: https://patchwork.kernel.org/patch/10900571/"
- "v1 https://patchwork.kernel.org/patch/11099761/"
- "v2 https://patchwork.kernel.org/patch/11101573/"
- "v3 needed, bailing out and leave clock enabled is an open issue"
- "handed over task to Ulrich"
- "after discussion, we decided to ask watchdog-ml what to do when probing a wdt fails"
- "another approach to handle clocks during boot is using the 'ignore-unused' property"
- "ignore-unused v1: https://patchwork.kernel.org/project/linux-renesas-soc/list/?series=247897&state=*"
- "ignore-unused v2: https://patchwork.kernel.org/project/linux-renesas-soc/list/?series=257141&state=*"
- "ignore-unused v3: https://patchwork.kernel.org/project/linux-renesas-soc/list/?series=285925&state=*"
- "Geert suggested to mark running WDT clocks as IS_CRITICAL during probe. Uli will implement this"
- "v4: https://patchwork.kernel.org/project/linux-renesas-soc/list/?series=303821&state=*"
- "merged"
- "WDT driver update still missing, Wolfram will resend"
- "resend: https://patchwork.kernel.org/patch/11763069/"
- "resend merged"
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