On Wed, May 27, 2015 at 07:50:07PM +0800, Li Jun wrote:
> Check property of usb hardware to get if SRP, HNP and ADP is supported.
>
> Signed-off-by: Li Jun <jun.li@xxxxxxxxxxxxx>
> ---
> drivers/usb/common/common.c | 45 +++++++++++++++++++++++++++++++++++++++++++++
> include/linux/usb/of.h | 15 +++++++++++++++
> 2 files changed, 60 insertions(+)
>
> diff --git a/drivers/usb/common/common.c b/drivers/usb/common/common.c
> index b530fd4..9944bee 100644
> --- a/drivers/usb/common/common.c
> +++ b/drivers/usb/common/common.c
> @@ -154,6 +154,51 @@ bool of_usb_host_tpl_support(struct device_node *np)
> return false;
> }
> EXPORT_SYMBOL_GPL(of_usb_host_tpl_support);
> +
> +/**
> + * of_usb_otg_srp_support - to get if otg srp is supported by the otg controller
> + * @np: Pointer to the given device_node
> + *
> + * The function gets if the otg port support SRP
> + */
%s/support/supports
> +bool of_usb_otg_srp_support(struct device_node *np)
> +{
> + if (of_find_property(np, "srp-support", NULL))
> + return true;
> +
> + return false;
> +}
> +EXPORT_SYMBOL_GPL(of_usb_otg_srp_support);
> +
> +/**
> + * of_usb_otg_hnp_support - to get if otg hnp is supported by the otg controller
> + * @np: Pointer to the given device_node
> + *
> + * The function gets if the otg port support HNP
%s/support/supports
> + */
> +bool of_usb_otg_hnp_support(struct device_node *np)
> +{
> + if (of_find_property(np, "hnp-support", NULL))
> + return true;
> +
> + return false;
> +}
> +EXPORT_SYMBOL_GPL(of_usb_otg_hnp_support);
> +
> +/**
> + * of_usb_otg_adp_support - to get if otg adp is supported by the otg controller
> + * @np: Pointer to the given device_node
> + *
> + * The function gets if the otg port support ADP
%s/support/supports
Except for above minor changes, others are ok for me.
Acked-by: Peter Chen <peter.chen@xxxxxxxxxxxxx>
> + */
> +bool of_usb_otg_adp_support(struct device_node *np)
> +{
> + if (of_find_property(np, "adp-support", NULL))
> + return true;
> +
> + return false;
> +}
> +EXPORT_SYMBOL_GPL(of_usb_otg_adp_support);
> #endif
>
> MODULE_LICENSE("GPL");
> diff --git a/include/linux/usb/of.h b/include/linux/usb/of.h
> index cfe0528..22f1ce2 100644
> --- a/include/linux/usb/of.h
> +++ b/include/linux/usb/of.h
> @@ -15,6 +15,9 @@
> enum usb_dr_mode of_usb_get_dr_mode(struct device_node *np);
> enum usb_device_speed of_usb_get_maximum_speed(struct device_node *np);
> bool of_usb_host_tpl_support(struct device_node *np);
> +bool of_usb_otg_srp_support(struct device_node *np);
> +bool of_usb_otg_hnp_support(struct device_node *np);
> +bool of_usb_otg_adp_support(struct device_node *np);
> #else
> static inline enum usb_dr_mode of_usb_get_dr_mode(struct device_node *np)
> {
> @@ -30,6 +33,18 @@ static inline bool of_usb_host_tpl_support(struct device_node *np)
> {
> return false;
> }
> +static inline bool of_usb_otg_srp_support(struct device_node *np)
> +{
> + return false;
> +}
> +static inline bool of_usb_otg_hnp_support(struct device_node *np)
> +{
> + return false;
> +}
> +static inline bool of_usb_otg_adp_support(struct device_node *np)
> +{
> + return false;
> +}
> #endif
>
> #if IS_ENABLED(CONFIG_OF) && IS_ENABLED(CONFIG_USB_SUPPORT)
> --
> 1.9.1
>
--
Best Regards,
Peter Chen
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