On 1/15/2017 12:37 PM, Heiner Kallweit wrote:
> Set the iomem parameters in the usb_hcd to fix this misleading
> message during driver load:
> dwc2 c9100000.usb: irq 22, io mem 0x00000000
>
> Signed-off-by: Heiner Kallweit <hkallweit1@xxxxxxxxx>
> ---
> drivers/usb/dwc2/core.h | 3 ++-
> drivers/usb/dwc2/hcd.c | 5 ++++-
> drivers/usb/dwc2/hcd.h | 3 ++-
> drivers/usb/dwc2/platform.c | 2 +-
> 4 files changed, 9 insertions(+), 4 deletions(-)
>
> diff --git a/drivers/usb/dwc2/core.h b/drivers/usb/dwc2/core.h
> index 9548d3e0..b66eaeea 100644
> --- a/drivers/usb/dwc2/core.h
> +++ b/drivers/usb/dwc2/core.h
> @@ -1229,7 +1229,8 @@ static inline void dwc2_hcd_connect(struct dwc2_hsotg *hsotg) {}
> static inline void dwc2_hcd_disconnect(struct dwc2_hsotg *hsotg, bool force) {}
> static inline void dwc2_hcd_start(struct dwc2_hsotg *hsotg) {}
> static inline void dwc2_hcd_remove(struct dwc2_hsotg *hsotg) {}
> -static inline int dwc2_hcd_init(struct dwc2_hsotg *hsotg, int irq)
> +static inline int dwc2_hcd_init(struct dwc2_hsotg *hsotg, int irq,
> + struct resource *res)
> { return 0; }
> static inline int dwc2_backup_host_registers(struct dwc2_hsotg *hsotg)
> { return 0; }
> diff --git a/drivers/usb/dwc2/hcd.c b/drivers/usb/dwc2/hcd.c
> index 911c3b36..2cfbd10e 100644
> --- a/drivers/usb/dwc2/hcd.c
> +++ b/drivers/usb/dwc2/hcd.c
> @@ -4964,7 +4964,7 @@ static void dwc2_hcd_release(struct dwc2_hsotg *hsotg)
> * USB bus with the core and calls the hc_driver->start() function. It returns
> * a negative error on failure.
> */
> -int dwc2_hcd_init(struct dwc2_hsotg *hsotg, int irq)
> +int dwc2_hcd_init(struct dwc2_hsotg *hsotg, int irq, struct resource *res)
> {
> struct usb_hcd *hcd;
> struct dwc2_host_chan *channel;
> @@ -5021,6 +5021,9 @@ int dwc2_hcd_init(struct dwc2_hsotg *hsotg, int irq)
>
> hcd->has_tt = 1;
>
> + hcd->rsrc_start = res->start;
> + hcd->rsrc_len = resource_size(res);
You should be able to get the same from hsotg->dev instead of adding a
paramter.
In fact, looks like the irq parameter is not needed either since it is
already stored in hsotg and can anyway get it from dev as well.
John
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