[U-Boot] [PATCH] usb: dwc2: Rename CONFIG_DWC2_UTMI_PHY_WIDTH to CONFIG_DWC2_UTMI_WIDTH

Marek Vasut marex at denx.de
Wed Jan 31 15:13:17 UTC 2018


On 01/31/2018 03:56 PM, Alexey Brodkin wrote:
> For some reason from day one we used to have both CONFIG_DWC2_UTMI_WIDTH
> mentioned in dwc2.h and in scripts/config_whitelist.txt but never really used
> and CONFIG_DWC2_UTMI_PHY_WIDTH used in real code in dwc2.c (but never
> defined).
> 
> Moreover even though CONFIG_DWC2_UTMI_WIDTH might be either 8 or 16
> depending on hardware (and the same is said in a comment for it in
> dwc2.h) but then 8 is hardcoded in the header leaving no ability to
> override this value in board's configuration.
> 
> Signed-off-by: Alexey Brodkin <abrodkin at synopsys.com>
> Cc: Marek Vasut <marex at denx.de>

Applied, thanks.

btw How the heck did that code ever even compile ?

> ---
>  drivers/usb/host/dwc2.c | 2 +-
>  drivers/usb/host/dwc2.h | 2 ++
>  2 files changed, 3 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/usb/host/dwc2.c b/drivers/usb/host/dwc2.c
> index 1293e18f75e7..784fcbdbd94f 100644
> --- a/drivers/usb/host/dwc2.c
> +++ b/drivers/usb/host/dwc2.c
> @@ -375,7 +375,7 @@ static void dwc_otg_core_init(struct dwc2_priv *priv)
>  		usbcfg &= ~DWC2_GUSBCFG_DDRSEL;
>  #endif
>  	} else {	/* UTMI+ interface */
> -#if (CONFIG_DWC2_UTMI_PHY_WIDTH == 16)
> +#if (CONFIG_DWC2_UTMI_WIDTH == 16)
>  		usbcfg |= DWC2_GUSBCFG_PHYIF;
>  #endif
>  	}
> diff --git a/drivers/usb/host/dwc2.h b/drivers/usb/host/dwc2.h
> index 4482dc621d69..574607a2acbb 100644
> --- a/drivers/usb/host/dwc2.h
> +++ b/drivers/usb/host/dwc2.h
> @@ -775,7 +775,9 @@ struct dwc2_core_regs {
>  #define DWC2_PHY_TYPE_UTMI		1
>  #define DWC2_PHY_TYPE_ULPI		2
>  #define CONFIG_DWC2_PHY_TYPE		DWC2_PHY_TYPE_UTMI	/* PHY type */
> +#ifndef CONFIG_DWC2_UTMI_WIDTH
>  #define CONFIG_DWC2_UTMI_WIDTH		8	/* UTMI bus width (8/16) */
> +#endif
>  
>  #undef CONFIG_DWC2_PHY_ULPI_DDR			/* ULPI PHY uses DDR mode */
>  #define CONFIG_DWC2_PHY_ULPI_EXT_VBUS		/* ULPI PHY controls VBUS */
> 


-- 
Best regards,
Marek Vasut


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