Messages in this thread | | | Date | Tue, 30 Aug 2022 11:28:02 +0100 | From | "Russell King (Oracle)" <> | Subject | Re: [PATCH v2] ARM: Add sanity check for dev->periphid in amba_probe() |
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On Tue, Aug 30, 2022 at 02:54:13PM +0800, Zhen Lei wrote: > Commit f2d3b9a46e0e ("ARM: 9220/1: amba: Remove deferred device addition") > forcibly invokes device_add() even if dev->periphid is not ready. Although > it will be remedied in amba_match(): dev->periphid will be initialized > if everything is in place; Otherwise, return -EPROBE_DEFER to block > __driver_attach() from further execution. But not all drivers have .match > hook, such as pl031, the dev->bus->probe will be called directly in > __driver_attach(). Unfortunately, if dev->periphid is still not > initialized, the following exception will be triggered.
Please check whether 9229/1 fixes this issue for you.
http://www.armlinux.org.uk/developer/patches/download.php?id=9229/1
Thanks.
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