On Fri, Feb 06, 2009 at 06:23:30PM +0800, Bryan Wu wrote:
> drivers/usb/musb/musb_core.c:1433: warning: assignment makes pointer
> from integer without a cast
> hw_ep->target_regs = musb_read_target_reg_base(i, mbase);
>
> static inline u16 musb_read_target_reg_base(u8 i, void __iomem *mbase);
>
> this is a common bug, but a bug still ? mbase is a 32/64 bit pointer,
> but we return a u16 to assign to a pointer ? seems odd :)
>
> So return right pointer in the stub.
>
> Cc: Mike Frysinger <vapier.adi@xxxxxxxxx>
> Signed-off-by: Bryan Wu <cooloney@xxxxxxxxxx>
> ---
> drivers/usb/musb/musb_regs.h | 6 +++---
> 1 files changed, 3 insertions(+), 3 deletions(-)
>
> diff --git a/drivers/usb/musb/musb_regs.h b/drivers/usb/musb/musb_regs.h
> index de3b2f1..c2f6a16 100644
> --- a/drivers/usb/musb/musb_regs.h
> +++ b/drivers/usb/musb/musb_regs.h
> @@ -333,7 +333,7 @@ static inline u16 musb_read_hwvers(void __iomem *mbase)
>
> static inline void __iomem *musb_read_target_reg_base(u8 i, void __iomem *mbase)
> {
> - return (MUSB_BUSCTL_OFFSET(i, 0) + mbase);
> + return (void __iomem *)(MUSB_BUSCTL_OFFSET(i, 0) + mbase);
please don't cast, we don't get this warning in non-blackfin builds
(well, omap at least)
> @@ -473,9 +473,9 @@ static inline u16 musb_read_hwvers(void __iomem *mbase)
> return 0;
> }
>
> -static inline u16 musb_read_target_reg_base(u8 i, void __iomem *mbase)
> +static inline void __iomem *musb_read_target_reg_base(u8 i, void __iomem *mbase)
> {
> - return 0;
> + return NULL;
this looks fine
--
balbi
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