Re: [PATCH] usb: dwc2: more precise and helpful message for dr_mode config issues

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On 17.05.21 14:49, Enrico Jorns wrote:
> With the previous message I misunderstood that the 'configuration
> mismatch' was caused by any entity forcing the dr_mode to
> 'host'/'device'.
> The actual intention however is to tell the user that the selected
> 'dr_mode' does not match the capabilities provided by the controller or
> the selected driver parts (USB_DWC2_HOST/USB_DWC2_GADGET).
> 
> The updated warning message attempts to reflect this more explicitly.
> 
> Also rename 'device' to 'peripheral' as it is named both in dtb and
> in macros that way.
> 
> Signed-off-by: Enrico Jorns <ejo@xxxxxxxxxxxxxx>

Acked-by: Ahmad Fatoum <a.fatoum@xxxxxxxxxxxxxx>

> ---
>  drivers/usb/dwc2/core.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/usb/dwc2/core.c b/drivers/usb/dwc2/core.c
> index cc5729ed92..6dfe14f174 100644
> --- a/drivers/usb/dwc2/core.c
> +++ b/drivers/usb/dwc2/core.c
> @@ -672,8 +672,8 @@ int dwc2_get_dr_mode(struct dwc2 *dwc2)
>  
>  	if (mode != dwc2->dr_mode) {
>  		dwc2_warn(dwc2,
> -			 "Configuration mismatch. dr_mode forced to %s\n",
> -			mode == USB_DR_MODE_HOST ? "host" : "device");
> +			 "Selected dr_mode not supported by controller/driver. Enforcing '%s' mode.\n",
> +			mode == USB_DR_MODE_HOST ? "host" : "peripheral");
>  
>  		dwc2->dr_mode = mode;
>  	}
> 

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