Re: [PATCH net v3 0/2] nfc: trf7970a: fix lifetime ordering around IRQ setup and teardown

[Simon Horman]

On Sat, Aug 01, 2026 at 05:10:56AM +0000, Fan Wu wrote:
> Two lifetime-ordering fixes for the trf7970a NFC digital driver.
> 
> Patch 1 sets up the lock and timeout work before the threaded IRQ is
> registered, and moves the lock to devm_mutex_init() so its teardown is
> part of the devres lifetime.
> 
> Patch 2 depends on patch 1 and drains the timeout work across removal:
> it marks a running handler to skip completion, handles LISTENING_MD in
> shutdown, and cancels the work after the digital core stops issuing
> commands and before the digital device is freed.
> 
> These were previously sent as standalone patches. Per review feedback
> from Simon Horman they are respun as a series.
> 
> ---
> 
> v3:
>   - Respun as a 2-patch series with an explicit dependency.
>   - Patch 1: switch to devm_mutex_init(); remove the explicit
>     mutex_destroy() calls and the now-empty err_destroy_lock label.
>   - Patch 2: set ignore_timeout before send_err_upstream; handle
>     TRF7970A_ST_LISTENING_MD in shutdown.
>   - Patch 1 was previously sent standalone.
> 
> init-order v1: https://lore.kernel.org/netdev/20260728031021.230831-1-fanwu01@xxxxxxxxxx/
> teardown v2:   https://lore.kernel.org/netdev/20260728030716.230626-1-fanwu01@xxxxxxxxxx/
> teardown v1:   https://lore.kernel.org/netdev/20260721133539.3195899-1-fanwu01@xxxxxxxxxx/

For the series:

Reviewed-by: Simon Horman <horms@xxxxxxxxxx>