ath10k_sdio: Long time for loading firmware and RCU errors

[Fabio Estevam]

On Tue, May 25, 2021 at 9:40 PM Fabio Estevam <festevam at gmail.com> wrote:
>
> Hi,
>
> I am using the QCA9377 chip on an imx6dl-pico-pi board running kernel
> 5.10.37 and I noticed that the firmware takes a long time to load
> (more than 3 minutes after boot):

Ok, I replaced eudev with mdev in Buildroot and now it loads the
QCA9377 firmware quickly.

> # wpa_supplicant  -iwlan0 -c /etc/wpa.conf &
> # Successfully initialized wpa_supplicant
> [  234.360447] NOHZ tick-stop error: Non-RCU local softirq work is
> pending, handler #08!!!
> [  234.390478] NOHZ tick-stop error: Non-RCU local softirq work is
> pending, handler #08!!!

These NOHZ messages still pop up.

Cheers