[U-Boot] [PATCH v4 2/4] drivers:usb:common:fsl-dt-fixup: Remove code duplication for fdt_usb_get_node_type

[Marek Vasut <marex@denx.de>]

On 03/11/2016 07:26 AM, Sriram Dash wrote:
> Call fdt_usb_get_node_type() from fdt_fixup_usb_mode_phy_type() to
> avoid code duplication.
> 
> Signed-off-by: Sriram Dash <sriram.dash@nxp.com>
> Signed-off-by: Rajesh Bhagat <rajesh.bhagat@nxp.com>
> ---
> Changes in v4:
>   - Make minimal modification to code
> Changes in v3:
>   - Move the duplication of code to new patch
> 
>  drivers/usb/common/fsl-dt-fixup.c | 23 ++++++-----------------
>  1 file changed, 6 insertions(+), 17 deletions(-)
> 
> diff --git a/drivers/usb/common/fsl-dt-fixup.c b/drivers/usb/common/fsl-dt-fixup.c
> index 92adb46..64e20d8 100644
> --- a/drivers/usb/common/fsl-dt-fixup.c
> +++ b/drivers/usb/common/fsl-dt-fixup.c
> @@ -19,32 +19,21 @@
>  #define CONFIG_USB_MAX_CONTROLLER_COUNT 1
>  #endif
>  
> +static const char *fdt_usb_get_node_type(void *blob, int start_offset,
> +					 int *node_offset);
> +

Why do you need this forward declaration ?

>  static int fdt_fixup_usb_mode_phy_type(void *blob, const char *mode,
>  				       const char *phy_type, int start_offset)
>  {
> -	const char *compat_dr = "fsl-usb2-dr";
> -	const char *compat_mph = "fsl-usb2-mph";
>  	const char *prop_mode = "dr_mode";
>  	const char *prop_type = "phy_type";
>  	const char *node_type = NULL;
>  	int node_offset;
>  	int err;
>  
> -	node_offset = fdt_node_offset_by_compatible(blob,
> -						    start_offset, compat_mph);
> -	if (node_offset < 0) {
> -		node_offset = fdt_node_offset_by_compatible(blob,
> -							    start_offset,
> -							    compat_dr);
> -		if (node_offset < 0) {
> -			printf("WARNING: could not find compatible node: %s",
> -			       fdt_strerror(node_offset));
> -			return -1;
> -		}
> -		node_type = compat_dr;
> -	} else {
> -		node_type = compat_mph;
> -	}
> +	node_type = fdt_usb_get_node_type(blob, start_offset, &node_offset);
> +	if (!node_type)
> +		return -1;
>  
>  	if (mode) {
>  		err = fdt_setprop(blob, node_offset, prop_mode, mode,
> 


-- 
Best regards,
Marek Vasut