Re: [PATCH] ACPI / hotplug: Simplify acpi_set_hp_context()

From: Rafael J. Wysocki
Date: Tue Jul 15 2014 - 20:09:09 EST


On Tuesday, July 15, 2014 02:56:29 PM Bjorn Helgaas wrote:
> On Mon, Jul 14, 2014 at 2:36 PM, Rafael J. Wysocki <rjw@xxxxxxxxxxxxx> wrote:
> > From: Rafael J. Wysocki <rafael.j.wysocki@xxxxxxxxx>
> >
> > Since all of the acpi_set_hp_context() callers pass at least one NULL
> > function pointer and one caller passes NULL function pointers only
> > to it, drop function pointer arguments from acpi_set_hp_context()
> > and make the callers initialize the function pointers in struct
> > acpi_hotplug_context by themselves before passing it to
> > acpi_set_hp_context().
> >
> > Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@xxxxxxxxx>
>
> Acked-by: Bjorn Helgaas <bhelgaas@xxxxxxxxxx>

Thanks! [And for the other one too.]

> > ---
> > drivers/acpi/scan.c | 4 +++-
> > drivers/pci/hotplug/acpiphp_glue.c | 7 ++++---
> > include/acpi/acpi_bus.h | 8 +-------
> > 3 files changed, 8 insertions(+), 11 deletions(-)
> >
> > Index: linux-pm/include/acpi/acpi_bus.h
> > ===================================================================
> > --- linux-pm.orig/include/acpi/acpi_bus.h
> > +++ linux-pm/include/acpi/acpi_bus.h
> > @@ -372,15 +372,9 @@ static inline void acpi_set_device_statu
> > }
> >
> > static inline void acpi_set_hp_context(struct acpi_device *adev,
> > - struct acpi_hotplug_context *hp,
> > - int (*notify)(struct acpi_device *, u32),
> > - void (*uevent)(struct acpi_device *, u32),
> > - void (*fixup)(struct acpi_device *))
> > + struct acpi_hotplug_context *hp)
> > {
> > hp->self = adev;
> > - hp->notify = notify;
> > - hp->uevent = uevent;
> > - hp->fixup = fixup;
> > adev->hp = hp;
> > }
> >
> > Index: linux-pm/drivers/acpi/scan.c
> > ===================================================================
> > --- linux-pm.orig/drivers/acpi/scan.c
> > +++ linux-pm/drivers/acpi/scan.c
> > @@ -77,7 +77,9 @@ void acpi_initialize_hp_context(struct a
> > void (*uevent)(struct acpi_device *, u32))
> > {
> > acpi_lock_hp_context();
> > - acpi_set_hp_context(adev, hp, notify, uevent, NULL);
> > + hp->notify = notify;
> > + hp->uevent = uevent;
> > + acpi_set_hp_context(adev, hp);
> > acpi_unlock_hp_context();
> > }
> > EXPORT_SYMBOL_GPL(acpi_initialize_hp_context);
> > Index: linux-pm/drivers/pci/hotplug/acpiphp_glue.c
> > ===================================================================
> > --- linux-pm.orig/drivers/pci/hotplug/acpiphp_glue.c
> > +++ linux-pm/drivers/pci/hotplug/acpiphp_glue.c
> > @@ -80,8 +80,9 @@ static struct acpiphp_context *acpiphp_i
> > return NULL;
> >
> > context->refcount = 1;
> > - acpi_set_hp_context(adev, &context->hp, acpiphp_hotplug_notify, NULL,
> > - acpiphp_post_dock_fixup);
> > + context->hp.notify = acpiphp_hotplug_notify;
> > + context->hp.fixup = acpiphp_post_dock_fixup;
> > + acpi_set_hp_context(adev, &context->hp);
> > return context;
> > }
> >
> > @@ -876,7 +877,7 @@ void acpiphp_enumerate_slots(struct pci_
> > goto err;
> >
> > root_context->root_bridge = bridge;
> > - acpi_set_hp_context(adev, &root_context->hp, NULL, NULL, NULL);
> > + acpi_set_hp_context(adev, &root_context->hp);
> > } else {
> > struct acpiphp_context *context;
> >
> >

--
I speak only for myself.
Rafael J. Wysocki, Intel Open Source Technology Center.
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