Alexandre Bailon <abailon@xxxxxxxxxxxx> writes:
> From: Petr Kulhavy <petr@xxxxxxxxx>
>
> This adds the function musb_get_mode() to get the DT property "dr_mode"
>
> Signed-off-by: Petr Kulhavy <petr@xxxxxxxxx>
> Acked-by: Sergei Shtylyov <sshtylyov@xxxxxxxxxxxxx>
> Signed-off-by: Alexandre Bailon <abailon@xxxxxxxxxxxx>
> Tested-by: David Lechner <david@xxxxxxxxxxxxxx>
> ---
> drivers/usb/musb/musb_core.c | 19 +++++++++++++++++++
> drivers/usb/musb/musb_core.h | 5 +++++
> 2 files changed, 24 insertions(+)
>
> diff --git a/drivers/usb/musb/musb_core.c b/drivers/usb/musb/musb_core.c
> index 27dadc0..bba07e7 100644
> --- a/drivers/usb/musb/musb_core.c
> +++ b/drivers/usb/musb/musb_core.c
> @@ -100,6 +100,7 @@
> #include <linux/io.h>
> #include <linux/dma-mapping.h>
> #include <linux/usb.h>
> +#include <linux/usb/of.h>
>
> #include "musb_core.h"
> #include "musb_trace.h"
> @@ -130,6 +131,24 @@ static inline struct musb *dev_to_musb(struct device *dev)
> return dev_get_drvdata(dev);
> }
>
> +enum musb_mode musb_get_mode(struct device *dev)
> +{
> + enum usb_dr_mode mode;
> +
> + mode = usb_get_dr_mode(dev);
> + switch (mode) {
> + case USB_DR_MODE_HOST:
> + return MUSB_HOST;
> + case USB_DR_MODE_PERIPHERAL:
> + return MUSB_PERIPHERAL;
> + case USB_DR_MODE_OTG:
> + case USB_DR_MODE_UNKNOWN:
> + default:
> + return MUSB_OTG;
> + }
> +}
> +EXPORT_SYMBOL_GPL(musb_get_mode);
> +
> /*-------------------------------------------------------------------------*/
>
> #ifndef CONFIG_BLACKFIN
> diff --git a/drivers/usb/musb/musb_core.h b/drivers/usb/musb/musb_core.h
> index 2cb88a49..a406468 100644
> --- a/drivers/usb/musb/musb_core.h
> +++ b/drivers/usb/musb/musb_core.h
> @@ -617,4 +617,9 @@ static inline void musb_platform_post_root_reset_end(struct musb *musb)
> musb->ops->post_root_reset_end(musb);
> }
>
> +/* gets the "dr_mode" property from DT and converts it into musb_mode
> + * if the property is not found or not recognized returns MUSB_OTG
> + */
nit: multi-line comment style
> +extern enum musb_mode musb_get_mode(struct device *dev);
> +
> #endif /* __MUSB_CORE_H__ */
Otherwise,
Reviewed-by: Kevin Hilman <khilman@xxxxxxxxxxxx>
Kevin
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