Re: [v2,1/3] mwifiex: pcie: use posted write to wake up firmware

[Kalle Valo]

Brian Norris <briannorris@xxxxxxxxxxxx> wrote:
> Depending on system factors (e.g., the PCIe link PM state), the first
> read to wake up the Wifi firmware can take a long time. There is no
> reason to use a (blocking, non-posted) read at this point, so let's just
> use a write instead. Write vs. read doesn't matter functionality-wise --
> it's just a dummy operation. But let's make sure to re-write with the
> correct "ready" signature, since we check for that in other parts of the
> driver.
> 
> This has been shown to decrease the time spent blocking in this function
> on RK3399.
> 
> Signed-off-by: Brian Norris <briannorris@xxxxxxxxxxxx>

3 patches applied to wireless-drivers-next.git, thanks.

062e008a6e83 mwifiex: pcie: use posted write to wake up firmware
5d5ddb5e0d9b mwifiex: pcie: don't loop/retry interrupt status checks
fe1167883939 mwifiex: pcie: read FROMDEVICE DMA-able memory with READ_ONCE()

-- 
https://patchwork.kernel.org/patch/9516615/

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