> From: dingu...@opensource.altera.com [mailto:dingu...@opensource.altera.com]
> Sent: Tuesday, October 28, 2014 4:26 PM
> 
> Now that platform.c will get built for both Host and Gadget, if we leave the
> usb_disabled() call in platform.c, it results in the following build error
> when (!USB && USB_GADGET) condition is met.
> 
> ERROR: "usb_disabled" [drivers/usb/dwc2/dwc2_platform.ko] undefined!
> 
> Since usb_disabled() is mostly used to disable USB host functionality, move
> the call the host portion for the DWC2 driver.
> 
> Signed-off-by: Dinh Nguyen <dingu...@opensource.altera.com>
> ---
>  drivers/usb/dwc2/hcd.c      | 3 +++
>  drivers/usb/dwc2/platform.c | 3 ---
>  2 files changed, 3 insertions(+), 3 deletions(-)
> 
> diff --git a/drivers/usb/dwc2/hcd.c b/drivers/usb/dwc2/hcd.c
> index fa49c72..b741997 100644
> --- a/drivers/usb/dwc2/hcd.c
> +++ b/drivers/usb/dwc2/hcd.c
> @@ -2780,6 +2780,9 @@ int dwc2_hcd_init(struct dwc2_hsotg *hsotg, int irq,
>       int i, num_channels;
>       int retval;
> 
> +     if (usb_disabled())
> +             return -ENODEV;
> +
>       dev_dbg(hsotg->dev, "DWC OTG HCD INIT\n");
> 
>       /* Detect config values from hardware */
> diff --git a/drivers/usb/dwc2/platform.c b/drivers/usb/dwc2/platform.c
> index 77c8417..123cf54 100644
> --- a/drivers/usb/dwc2/platform.c
> +++ b/drivers/usb/dwc2/platform.c
> @@ -157,9 +157,6 @@ static int dwc2_driver_probe(struct platform_device *dev)
>       int retval;
>       int irq;
> 
> -     if (usb_disabled())
> -             return -ENODEV;
> -
>       match = of_match_device(dwc2_of_match_table, &dev->dev);
>       if (match && match->data) {
>               params = match->data;

I'm confused. You are saying the build is broken until patch 8/8 is
applied? As always, that is not acceptable. You need to fix the
breakage at the point where it was introduced, not leave it broken
until the last patch in the series.

-- 
Paul

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