Re: [RFC/PATCH] mwifiex: Driver - Firmware Glitches

Florian Achleitner
2015-04-16T13:19:30Z

Hi Avanish, Amitkumar,

Thx for your ideas to check the mmc interface.

On Thursday 16 April 2015 04:21:50 Amitkumar Karwar wrote:
> "host_to_card, write iomem (1) failed: -110" error indicates that MMC
> subsystem's sdio_writesb() API failed with timeout error.
>
> WLAN driver or FW has nothing to do with this. This seems to be your MMC
> host controller/hardware problem. Adding a recovering mechanism in WLAN
> driver doesn't look correct here. We should rather need to root cause the
> problem. Our "DNLD_CMD: host to card failed" error message is displayed for
> other failures also. As explained earlier, if it's write data port not
> available problem. It will automatically resolve after sometimes.
> Triggering reset would be unnecessary for that case.

I will try to figure out whether the root cause is the MMC interface.
Probably in this case, the reset actually recovers from a bug in the mmc
driver.

>
> Regards,
> Amitkumar

Regards,
Florian