[U-Boot] [PATCH 3/3] usb: musb-new: omap2430: Fix compilation warning with USB_MUSB_GADGET

[Marek Vasut <marek.vasut@gmail.com>]

On 5/28/19 4:22 AM, Derald D. Woods wrote:
> This commit addresses the following warning, when _NOT_ USB_MUSB_HOST:
> 
> [...]
>   CC      drivers/usb/gadget/f_mass_storage.o
>   CC      drivers/usb/musb-new/omap2430.o
>   CC      drivers/usb/gadget/f_fastboot.o
>   CC      env/common.o
>   CC      env/env.o
> /src/etinker/software/u-boot-master/drivers/usb/musb-new/omap2430.c: In function ‘omap2430_musb_probe’:
> /src/etinker/software/u-boot-master/drivers/usb/musb-new/omap2430.c:239:6: warning: assignment to ‘int’ from ‘struct musb *’ makes integer from pointer without a cast [-Wint-conversion]
>   ret = musb_register(&platdata->plat,
>       ^
>   LD      drivers/usb/host/built-in.o
>   CC      drivers/usb/gadget/f_sdp.o
>   CC      fs/ext4/ext4fs.o
> [...]
> 
> Signed-off-by: Derald D. Woods <woods.technical@gmail.com>
> ---
>  drivers/usb/musb-new/omap2430.c | 8 ++++++--
>  1 file changed, 6 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/usb/musb-new/omap2430.c b/drivers/usb/musb-new/omap2430.c
> index 32743aa72c..cca1653f1e 100644
> --- a/drivers/usb/musb-new/omap2430.c
> +++ b/drivers/usb/musb-new/omap2430.c
> @@ -215,11 +215,13 @@ static int omap2430_musb_probe(struct udevice *dev)
>  {
>  #ifdef CONFIG_USB_MUSB_HOST
>  	struct musb_host_data *host = dev_get_priv(dev);
> +#else
> +	struct musb *musbp;
>  #endif
>  	struct omap2430_musb_platdata *platdata = dev_get_platdata(dev);
>  	struct usb_bus_priv *priv = dev_get_uclass_priv(dev);
>  	struct omap_musb_board_data *otg_board_data;
> -	int ret;
> +	int ret = 0;
>  	void *base = dev_read_addr_ptr(dev);
>  
>  	priv->desc_before_addr = true;
> @@ -236,9 +238,11 @@ static int omap2430_musb_probe(struct udevice *dev)
>  
>  	ret = musb_lowlevel_init(host);
>  #else
> -	ret = musb_register(&platdata->plat,
> +	musbp = musb_register(&platdata->plat,
>  			  (struct device *)otg_board_data,
>  			  platdata->base);
> +	if (IS_ERR_OR_NULL(musbp))
> +		return -EINVAL;

For example the pic32 glue code holds the musb_host_data in private data
, so it can call musb_stop() in .remove callback . Can you do the same?

>  #endif
>  	return ret;
>  }
> 


-- 
Best regards,
Marek Vasut