[PATCH 1/4] USB: Fix of_usb_get_dr_mode_by_phy with a shared phy block

[kishon@ti.com (Kishon Vijay Abraham I)]

Hi,

On Thursday 02 June 2016 11:01 PM, Hans de Goede wrote:
> Some SoCs have a single phy-hw-block with multiple phys, this is
> modelled by a single phy dts node, so we end up with multiple
> controller nodes with a phys property pointing to the phy-node
> of the otg-phy.

Maybe we should try to model each phy with a separate dt node?

Thanks
Kishon
> 
> Only one of these controllers typically is an otg controller, yet we
> were checking the first controller who uses a phy from the block and
> then end up looking for a dr_mode property in e.g. the ehci controller.
> 
> Instead of looking for nodes with a phy property, look for nodes
> with a dr_mode property, so that we actually access the dr_mode property
> in a node which has it.
> 
> Signed-off-by: Hans de Goede <hdegoede@redhat.com>
> ---
>  drivers/usb/common/common.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/usb/common/common.c b/drivers/usb/common/common.c
> index e3d0161..9806433 100644
> --- a/drivers/usb/common/common.c
> +++ b/drivers/usb/common/common.c
> @@ -145,7 +145,7 @@ enum usb_dr_mode of_usb_get_dr_mode_by_phy(struct device_node *phy_np)
>  	int err;
>  
>  	do {
> -		controller = of_find_node_with_property(controller, "phys");
> +		controller = of_find_node_with_property(controller, "dr_mode");
>  		index = 0;
>  		do {
>  			phy = of_parse_phandle(controller, "phys", index);
>