Re: [PATCH v2 3/5] usb: musb: jz4740: Register USB role switch

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Hi,

On Sun, Feb 23, 2020 at 10:40:06PM -0300, Paul Cercueil wrote:
> Register a USB role switch, in order to get notified by the connector
> driver when the USB role changes. The notification is then transmitted
> to the PHY.
> 
> Signed-off-by: Paul Cercueil <paul@xxxxxxxxxxxxxxx>
> ---
> 
> Notes:
>     v2: No change
> 
>  drivers/usb/musb/Kconfig  |  1 +
>  drivers/usb/musb/jz4740.c | 46 +++++++++++++++++++++++++++++++++++++++
>  2 files changed, 47 insertions(+)
> 
> diff --git a/drivers/usb/musb/Kconfig b/drivers/usb/musb/Kconfig
> index c4b349e074c1..3268adb7d7cf 100644
> --- a/drivers/usb/musb/Kconfig
> +++ b/drivers/usb/musb/Kconfig
> @@ -113,6 +113,7 @@ config USB_MUSB_JZ4740
>  	depends on MIPS || COMPILE_TEST
>  	depends on USB_MUSB_GADGET
>  	depends on USB=n || USB_OTG_BLACKLIST_HUB
> +	select USB_ROLE_SWITCH
>  
>  config USB_MUSB_MEDIATEK
>  	tristate "MediaTek platforms"
> diff --git a/drivers/usb/musb/jz4740.c b/drivers/usb/musb/jz4740.c
> index aa32b5af0c1f..bbfeb9881788 100644
> --- a/drivers/usb/musb/jz4740.c
> +++ b/drivers/usb/musb/jz4740.c
> @@ -12,13 +12,16 @@
>  #include <linux/module.h>
>  #include <linux/of_device.h>
>  #include <linux/platform_device.h>
> +#include <linux/usb/role.h>
>  #include <linux/usb/usb_phy_generic.h>
>  
>  #include "musb_core.h"
>  
>  struct jz4740_glue {
>  	struct platform_device	*pdev;
> +	struct musb		*musb;
>  	struct clk		*clk;
> +	struct usb_role_switch	*role_sw;
>  };
>  
>  static irqreturn_t jz4740_musb_interrupt(int irq, void *__hci)
> @@ -72,11 +75,38 @@ static const struct musb_hdrc_config jz4740_musb_config = {
>  	.fifo_cfg_size	= ARRAY_SIZE(jz4740_musb_fifo_cfg),
>  };
>  
> +static int jz4740_musb_role_switch_set(struct device *dev, enum usb_role role)

The prototype has been changed by bce3052f0c16 ("usb: roles: Provide the
switch drivers handle to the switch in the API"). Please update.

Thanks,
-Bin.



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