[PATCH 07/10] firmware: scmi: mailbox: Support arm,max_rx_timeout_ms
    Tom Rini 
    trini at konsulko.com
       
    Fri Oct 10 02:04:53 CEST 2025
    
    
  
On Fri, Oct 10, 2025 at 12:01:39AM +0000, Peng Fan wrote:
> > Subject: Re: [PATCH 07/10] firmware: scmi: mailbox: Support
> > arm,max_rx_timeout_ms
> > 
> > Reviewed-by: Tom Rini <trini at konsulko.com>
> > 
> > However:
> > $ rg -g *.dtsi arm,max-rx-timeout-ms
> > dts/upstream/src/arm64/freescale/imx95.dtsi:
> > 	arm,max-rx-timeout-ms = <5000>;
> > dts/upstream/src/arm64/freescale/imx94.dtsi:
> > 	arm,max-rx-timeout-ms = <5000>;
> > 
> > Is the timeout really 5 seconds on these platforms?
> 
> NXP i.MX SCMI firmware does not allow timeout,
> In normal running, it is quite fast for SCMI firmware
> to return back. We just choose a quite large value
> to avoid potential corner case.
OK, thanks for confirming it was an intentional value there.
-- 
Tom
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