Re: [PATCH v3 2/4] phy: rcar-gen3-usb2: split the two meaning of "has_otg"

From: Simon Horman
Date: Fri Oct 06 2017 - 05:15:32 EST


On Fri, Sep 01, 2017 at 11:41:23AM +0900, Yoshihiro Shimoda wrote:
> The has_otg on previous code has the two meaning:
> - The channel has dedicated otg pins (ID, VBUS).
> - The channel can swap the role via sysfs.
>
> However, some SoCs (e.g. R-Car D3) doesn't have such dedicated pins,
> but the SoCs can swap the role. So, this patch split the two meaning
> of has_otg as "has dedicated otg pins" and adds a new value
> "can_role_swap". For now, the behavior is the same as before.
>
> Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@xxxxxxxxxxx>


Reviewed-by: Simon Horman <horms+renesas@xxxxxxxxxxxx>

> ---
> drivers/phy/renesas/phy-rcar-gen3-usb2.c | 61 ++++++++++++++++++++++----------
> 1 file changed, 42 insertions(+), 19 deletions(-)
>
> diff --git a/drivers/phy/renesas/phy-rcar-gen3-usb2.c b/drivers/phy/renesas/phy-rcar-gen3-usb2.c
> index e00e99a..4ea9902 100644
> --- a/drivers/phy/renesas/phy-rcar-gen3-usb2.c
> +++ b/drivers/phy/renesas/phy-rcar-gen3-usb2.c
> @@ -87,7 +87,8 @@ struct rcar_gen3_chan {
> struct regulator *vbus;
> struct work_struct work;
> bool extcon_host;
> - bool has_otg;
> + bool has_otg; /* has dedicated pins (ID, VBUS) */

Not: has_otg_pins might make for slightly easier reading of the code.

> + bool can_role_swap;
> };

...