Hi Hari,
On Wed, Jul 28, 2010 at 1:02 AM, Ohad Ben-Cohen <ohad@xxxxxxxxxx> wrote:
> On Wed, Jul 21, 2010 at 12:41 AM, Hari Kanigeri <h-kanigeri2@xxxxxx> wrote:
> > This patch provides mutiple readers support for a mailbox
> > instance.
> >
> > Signed-off-by: Hari Kanigeri <h-kanigeri2@xxxxxx>
> > ---
> > arch/arm/plat-omap/include/plat/mailbox.h | 6 ++-
> > arch/arm/plat-omap/mailbox.c | 63 ++++++++++++++++------------
> > 2 files changed, 40 insertions(+), 29 deletions(-)
> >
> > diff --git a/arch/arm/plat-omap/include/plat/mailbox.h b/arch/arm/plat-omap/include/plat/mailbox.h
> > index 0486d64..c8e47d8 100644
> > --- a/arch/arm/plat-omap/include/plat/mailbox.h
> > +++ b/arch/arm/plat-omap/include/plat/mailbox.h
> > @@ -68,13 +68,15 @@ struct omap_mbox {
> > void *priv;
> >
> > void (*err_notify)(void);
> > + atomic_t use_count;
> > + struct blocking_notifier_head notifier;
> > };
> >
> > int omap_mbox_msg_send(struct omap_mbox *, mbox_msg_t msg);
> > void omap_mbox_init_seq(struct omap_mbox *);
> >
> > -struct omap_mbox *omap_mbox_get(const char *);
> > -void omap_mbox_put(struct omap_mbox *);
> > +struct omap_mbox *omap_mbox_get(const char *, struct notifier_block *nb);
>
> In this context, I'd like to change notifier to support adding a
> cookie which will be passed back to the handler function (unmodified,
> in a similar manner to request_irq's void *dev param).
This can be easily achieved with a simple container_of manipulation,
so please disregard my request : your patch is fine as-is. After it is
accepted, it'd be simple to add this context-get-back to dspbridge.
Thanks,
Ohad.
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