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Re: [PATCH] wifi: mwifiex: added delay after firmware downloaded.

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Hello David,
thanks for your patch.

On Fri, Oct 20, 2023 at 03:35:34AM +0000, David Lin wrote:
> Added 100 ms delayed after firmware is downloaded and active in order to
> avoid command timeout for the first command sent to firmware.

Please have a look at Documentation/process/submitting-patches.rst.
In very brief:
 - you should use imperative mood to describe your changes
 - this is fixing a real issue, I believe this is worth a more complete commit
   message, including a log of the failure this is solving.

I am also inclined to think that this change should be backported and it likely
would need a Fixes: tag.

> ---
>  drivers/net/wireless/marvell/mwifiex/main.c | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/drivers/net/wireless/marvell/mwifiex/main.c b/drivers/net/wireless/marvell/mwifiex/main.c
> index d99127dc466e..a25e8bb8daec 100644
> --- a/drivers/net/wireless/marvell/mwifiex/main.c
> +++ b/drivers/net/wireless/marvell/mwifiex/main.c
> @@ -570,6 +570,7 @@ static int _mwifiex_fw_dpc(const struct firmware *firmware, void *context)
>  		goto err_dnld_fw;
>  
>  	mwifiex_dbg(adapter, MSG, "WLAN FW is active\n");
> +	mdelay(100);

from my understanding there is already a function polling for the firmware to be
active, e.g. mwifiex_check_fw_status(). Maybe is that function that needs to be
fixed instead of adding an additional delay here? 

Francesco




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