In fact the interrupts get enabled at omap4_usbboot_open, it's required for
usb transfers.
For this reason the interrupts are disabled at barebox exit.

On Sun, Sep 30, 2012 at 4:02 PM, Jean-Christophe PLAGNIOL-VILLARD <
plagnioj@jcrosoft.com> wrote:

> On 16:14 Sun 30 Sep     , Antony Pavlov wrote:
> > On 30 September 2012 06:50, vj <vicencb@gmail.com> wrote:
> > > ---
> > >  arch/arm/cpu/cpu.c                              |   1 +
> > >  arch/arm/mach-omap/Kconfig                      |   7 +
> > >  arch/arm/mach-omap/Makefile                     |   1 +
> > >  arch/arm/mach-omap/include/mach/omap4_rom_usb.h | 142 ++++++++
> > >  arch/arm/mach-omap/omap4_generic.c              |  13 +
> > >  arch/arm/mach-omap/omap4_rom_usb.c              | 186 +++++++++++
> > >  scripts/.gitignore                              |   1 +
> > >  scripts/Makefile                                |   4 +
> > >  scripts/omap4_usbboot.c                         | 416
> ++++++++++++++++++++++++
> > >  scripts/usb.h                                   |  61 ++++
> > >  scripts/usb_linux.c                             | 397
> ++++++++++++++++++++++
> > >  11 files changed, 1229 insertions(+)
> > >  create mode 100644 arch/arm/mach-omap/include/mach/omap4_rom_usb.h
> > >  create mode 100644 arch/arm/mach-omap/omap4_rom_usb.c
> > >  create mode 100644 scripts/omap4_usbboot.c
> > >  create mode 100644 scripts/usb.h
> > >  create mode 100644 scripts/usb_linux.c
> > >
> > > diff --git a/arch/arm/cpu/cpu.c b/arch/arm/cpu/cpu.c
> > > index 71ef8c0..05343de 100644
> > > --- a/arch/arm/cpu/cpu.c
> > > +++ b/arch/arm/cpu/cpu.c
> > > @@ -89,6 +89,7 @@ void arch_shutdown(void)
> > >                 : "r0", "r1", "r2", "r3", "r6", "r10", "r12", "lr",
> "cc", "memory"
> > >         );
> > >  #endif
> > > +       __asm__ __volatile__ ("cpsid i\n");
> ???
>
> why do you add this?
>
> we never enable the interrupt
>
> and this is generic not omap4 must be in a seperate patch
>
>