* [PATCH v3 10/10] ACPI: simplify acpiphp driver with new helper functions [not found] <1372436683-31711-1-git-send-email-liuj97@gmail.com> @ 2013-06-28 16:24 ` Jiang Liu 2013-06-28 17:20 ` Bjorn Helgaas 0 siblings, 1 reply; 3+ messages in thread From: Jiang Liu @ 2013-06-28 16:24 UTC (permalink / raw) To: Rafael J . Wysocki Cc: liuj97, Jiang Liu, Yijing Wang, linux-acpi, linux-kernel, Bjorn Helgaas, Yinghai Lu, Len Brown, linux-pci From: Jiang Liu <jiang.liu@huawei.com> Use new helper functions to simplify acpiphp driver. Signed-off-by: Jiang Liu <jiang.liu@huawei.com> Cc: Jiang Liu <liuj97@gmail.com> Cc: Bjorn Helgaas <bhelgaas@google.com> Cc: Yinghai Lu <yinghai@kernel.org> Cc: Len Brown <lenb@kernel.org> Cc: "Rafael J. Wysocki" <rjw@sisk.pl> Cc: Yijing Wang <wangyijing@huawei.com> Cc: linux-acpi@vger.kernel.org Cc: linux-pci@vger.kernel.org Cc: linux-kernel@vger.kernel.org --- drivers/pci/hotplug/acpiphp_glue.c | 30 ++++++++---------------------- 1 file changed, 8 insertions(+), 22 deletions(-) diff --git a/drivers/pci/hotplug/acpiphp_glue.c b/drivers/pci/hotplug/acpiphp_glue.c index 59df857..a0a7133 100644 --- a/drivers/pci/hotplug/acpiphp_glue.c +++ b/drivers/pci/hotplug/acpiphp_glue.c @@ -201,7 +201,6 @@ register_slot(acpi_handle handle, u32 lvl, void *context, void **rv) struct acpiphp_bridge *bridge = (struct acpiphp_bridge *)context; struct acpiphp_slot *slot; struct acpiphp_func *newfunc; - acpi_handle tmp; acpi_status status = AE_OK; unsigned long long adr, sun; int device, function, retval, found = 0; @@ -232,19 +231,19 @@ register_slot(acpi_handle handle, u32 lvl, void *context, void **rv) newfunc->handle = handle; newfunc->function = function; - if (ACPI_SUCCESS(acpi_get_handle(handle, "_EJ0", &tmp))) + if (acpi_has_method(handle, "_EJ0")) newfunc->flags = FUNC_HAS_EJ0; - if (ACPI_SUCCESS(acpi_get_handle(handle, "_STA", &tmp))) + if (acpi_has_method(handle, "_STA")) newfunc->flags |= FUNC_HAS_STA; - if (ACPI_SUCCESS(acpi_get_handle(handle, "_PS0", &tmp))) + if (acpi_has_method(handle, "_PS0")) newfunc->flags |= FUNC_HAS_PS0; - if (ACPI_SUCCESS(acpi_get_handle(handle, "_PS3", &tmp))) + if (acpi_has_method(handle, "_PS3")) newfunc->flags |= FUNC_HAS_PS3; - if (ACPI_SUCCESS(acpi_get_handle(handle, "_DCK", &tmp))) + if (acpi_has_method(handle, "_DCK")) newfunc->flags |= FUNC_HAS_DCK; status = acpi_evaluate_integer(handle, "_SUN", NULL, &sun); @@ -843,25 +842,14 @@ static unsigned int get_slot_status(struct acpiphp_slot *slot) */ int acpiphp_eject_slot(struct acpiphp_slot *slot) { - acpi_status status; struct acpiphp_func *func; - struct acpi_object_list arg_list; - union acpi_object arg; list_for_each_entry(func, &slot->funcs, sibling) { /* We don't want to call _EJ0 on non-existing functions. */ if ((func->flags & FUNC_HAS_EJ0)) { - /* _EJ0 method take one argument */ - arg_list.count = 1; - arg_list.pointer = &arg; - arg.type = ACPI_TYPE_INTEGER; - arg.integer.value = 1; - - status = acpi_evaluate_object(func->handle, "_EJ0", &arg_list, NULL); - if (ACPI_FAILURE(status)) { - warn("%s: _EJ0 failed\n", __func__); + if (ACPI_FAILURE(acpi_evaluate_ej0(func->handle))) return -1; - } else + else break; } } @@ -1171,7 +1159,6 @@ static void handle_hotplug_event_func(acpi_handle handle, u32 type, */ void acpiphp_enumerate_slots(struct pci_bus *bus, acpi_handle handle) { - acpi_handle dummy_handle; struct acpiphp_bridge *bridge; if (acpiphp_disabled) @@ -1200,8 +1187,7 @@ void acpiphp_enumerate_slots(struct pci_bus *bus, acpi_handle handle) get_device(&bus->dev); if (!pci_is_root_bus(bridge->pci_bus) && - ACPI_SUCCESS(acpi_get_handle(bridge->handle, - "_EJ0", &dummy_handle))) { + acpi_has_method(bridge->handle, "_EJ0")) { dbg("found ejectable p2p bridge\n"); bridge->flags |= BRIDGE_HAS_EJ0; bridge->func = acpiphp_bridge_handle_to_function(handle); -- 1.8.1.2 ^ permalink raw reply related [flat|nested] 3+ messages in thread
* Re: [PATCH v3 10/10] ACPI: simplify acpiphp driver with new helper functions 2013-06-28 16:24 ` [PATCH v3 10/10] ACPI: simplify acpiphp driver with new helper functions Jiang Liu @ 2013-06-28 17:20 ` Bjorn Helgaas 2013-06-28 18:42 ` Rafael J. Wysocki 0 siblings, 1 reply; 3+ messages in thread From: Bjorn Helgaas @ 2013-06-28 17:20 UTC (permalink / raw) To: Jiang Liu Cc: Rafael J . Wysocki, Jiang Liu, Yijing Wang, linux-acpi@vger.kernel.org, linux-kernel@vger.kernel.org, Yinghai Lu, Len Brown, linux-pci@vger.kernel.org On Fri, Jun 28, 2013 at 10:24 AM, Jiang Liu <liuj97@gmail.com> wrote: > From: Jiang Liu <jiang.liu@huawei.com> > > Use new helper functions to simplify acpiphp driver. > > Signed-off-by: Jiang Liu <jiang.liu@huawei.com> Acked-by: Bjorn Helgaas <bhelgaas@google.com> I assume this will be merged via linux-pm with the rest of the series. > Cc: Jiang Liu <liuj97@gmail.com> > Cc: Bjorn Helgaas <bhelgaas@google.com> > Cc: Yinghai Lu <yinghai@kernel.org> > Cc: Len Brown <lenb@kernel.org> > Cc: "Rafael J. Wysocki" <rjw@sisk.pl> > Cc: Yijing Wang <wangyijing@huawei.com> > Cc: linux-acpi@vger.kernel.org > Cc: linux-pci@vger.kernel.org > Cc: linux-kernel@vger.kernel.org > --- > drivers/pci/hotplug/acpiphp_glue.c | 30 ++++++++---------------------- > 1 file changed, 8 insertions(+), 22 deletions(-) > > diff --git a/drivers/pci/hotplug/acpiphp_glue.c b/drivers/pci/hotplug/acpiphp_glue.c > index 59df857..a0a7133 100644 > --- a/drivers/pci/hotplug/acpiphp_glue.c > +++ b/drivers/pci/hotplug/acpiphp_glue.c > @@ -201,7 +201,6 @@ register_slot(acpi_handle handle, u32 lvl, void *context, void **rv) > struct acpiphp_bridge *bridge = (struct acpiphp_bridge *)context; > struct acpiphp_slot *slot; > struct acpiphp_func *newfunc; > - acpi_handle tmp; > acpi_status status = AE_OK; > unsigned long long adr, sun; > int device, function, retval, found = 0; > @@ -232,19 +231,19 @@ register_slot(acpi_handle handle, u32 lvl, void *context, void **rv) > newfunc->handle = handle; > newfunc->function = function; > > - if (ACPI_SUCCESS(acpi_get_handle(handle, "_EJ0", &tmp))) > + if (acpi_has_method(handle, "_EJ0")) > newfunc->flags = FUNC_HAS_EJ0; > > - if (ACPI_SUCCESS(acpi_get_handle(handle, "_STA", &tmp))) > + if (acpi_has_method(handle, "_STA")) > newfunc->flags |= FUNC_HAS_STA; > > - if (ACPI_SUCCESS(acpi_get_handle(handle, "_PS0", &tmp))) > + if (acpi_has_method(handle, "_PS0")) > newfunc->flags |= FUNC_HAS_PS0; > > - if (ACPI_SUCCESS(acpi_get_handle(handle, "_PS3", &tmp))) > + if (acpi_has_method(handle, "_PS3")) > newfunc->flags |= FUNC_HAS_PS3; > > - if (ACPI_SUCCESS(acpi_get_handle(handle, "_DCK", &tmp))) > + if (acpi_has_method(handle, "_DCK")) > newfunc->flags |= FUNC_HAS_DCK; > > status = acpi_evaluate_integer(handle, "_SUN", NULL, &sun); > @@ -843,25 +842,14 @@ static unsigned int get_slot_status(struct acpiphp_slot *slot) > */ > int acpiphp_eject_slot(struct acpiphp_slot *slot) > { > - acpi_status status; > struct acpiphp_func *func; > - struct acpi_object_list arg_list; > - union acpi_object arg; > > list_for_each_entry(func, &slot->funcs, sibling) { > /* We don't want to call _EJ0 on non-existing functions. */ > if ((func->flags & FUNC_HAS_EJ0)) { > - /* _EJ0 method take one argument */ > - arg_list.count = 1; > - arg_list.pointer = &arg; > - arg.type = ACPI_TYPE_INTEGER; > - arg.integer.value = 1; > - > - status = acpi_evaluate_object(func->handle, "_EJ0", &arg_list, NULL); > - if (ACPI_FAILURE(status)) { > - warn("%s: _EJ0 failed\n", __func__); > + if (ACPI_FAILURE(acpi_evaluate_ej0(func->handle))) > return -1; > - } else > + else > break; > } > } > @@ -1171,7 +1159,6 @@ static void handle_hotplug_event_func(acpi_handle handle, u32 type, > */ > void acpiphp_enumerate_slots(struct pci_bus *bus, acpi_handle handle) > { > - acpi_handle dummy_handle; > struct acpiphp_bridge *bridge; > > if (acpiphp_disabled) > @@ -1200,8 +1187,7 @@ void acpiphp_enumerate_slots(struct pci_bus *bus, acpi_handle handle) > get_device(&bus->dev); > > if (!pci_is_root_bus(bridge->pci_bus) && > - ACPI_SUCCESS(acpi_get_handle(bridge->handle, > - "_EJ0", &dummy_handle))) { > + acpi_has_method(bridge->handle, "_EJ0")) { > dbg("found ejectable p2p bridge\n"); > bridge->flags |= BRIDGE_HAS_EJ0; > bridge->func = acpiphp_bridge_handle_to_function(handle); > -- > 1.8.1.2 > ^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: [PATCH v3 10/10] ACPI: simplify acpiphp driver with new helper functions 2013-06-28 17:20 ` Bjorn Helgaas @ 2013-06-28 18:42 ` Rafael J. Wysocki 0 siblings, 0 replies; 3+ messages in thread From: Rafael J. Wysocki @ 2013-06-28 18:42 UTC (permalink / raw) To: Bjorn Helgaas Cc: Jiang Liu, Jiang Liu, Yijing Wang, linux-acpi@vger.kernel.org, linux-kernel@vger.kernel.org, Yinghai Lu, Len Brown, linux-pci@vger.kernel.org On Friday, June 28, 2013 11:20:21 AM Bjorn Helgaas wrote: > On Fri, Jun 28, 2013 at 10:24 AM, Jiang Liu <liuj97@gmail.com> wrote: > > From: Jiang Liu <jiang.liu@huawei.com> > > > > Use new helper functions to simplify acpiphp driver. > > > > Signed-off-by: Jiang Liu <jiang.liu@huawei.com> > > Acked-by: Bjorn Helgaas <bhelgaas@google.com> > > I assume this will be merged via linux-pm with the rest of the series. Yup, into 3.12. Thanks, Rafael > > Cc: Jiang Liu <liuj97@gmail.com> > > Cc: Bjorn Helgaas <bhelgaas@google.com> > > Cc: Yinghai Lu <yinghai@kernel.org> > > Cc: Len Brown <lenb@kernel.org> > > Cc: "Rafael J. Wysocki" <rjw@sisk.pl> > > Cc: Yijing Wang <wangyijing@huawei.com> > > Cc: linux-acpi@vger.kernel.org > > Cc: linux-pci@vger.kernel.org > > Cc: linux-kernel@vger.kernel.org > > --- > > drivers/pci/hotplug/acpiphp_glue.c | 30 ++++++++---------------------- > > 1 file changed, 8 insertions(+), 22 deletions(-) > > > > diff --git a/drivers/pci/hotplug/acpiphp_glue.c b/drivers/pci/hotplug/acpiphp_glue.c > > index 59df857..a0a7133 100644 > > --- a/drivers/pci/hotplug/acpiphp_glue.c > > +++ b/drivers/pci/hotplug/acpiphp_glue.c > > @@ -201,7 +201,6 @@ register_slot(acpi_handle handle, u32 lvl, void *context, void **rv) > > struct acpiphp_bridge *bridge = (struct acpiphp_bridge *)context; > > struct acpiphp_slot *slot; > > struct acpiphp_func *newfunc; > > - acpi_handle tmp; > > acpi_status status = AE_OK; > > unsigned long long adr, sun; > > int device, function, retval, found = 0; > > @@ -232,19 +231,19 @@ register_slot(acpi_handle handle, u32 lvl, void *context, void **rv) > > newfunc->handle = handle; > > newfunc->function = function; > > > > - if (ACPI_SUCCESS(acpi_get_handle(handle, "_EJ0", &tmp))) > > + if (acpi_has_method(handle, "_EJ0")) > > newfunc->flags = FUNC_HAS_EJ0; > > > > - if (ACPI_SUCCESS(acpi_get_handle(handle, "_STA", &tmp))) > > + if (acpi_has_method(handle, "_STA")) > > newfunc->flags |= FUNC_HAS_STA; > > > > - if (ACPI_SUCCESS(acpi_get_handle(handle, "_PS0", &tmp))) > > + if (acpi_has_method(handle, "_PS0")) > > newfunc->flags |= FUNC_HAS_PS0; > > > > - if (ACPI_SUCCESS(acpi_get_handle(handle, "_PS3", &tmp))) > > + if (acpi_has_method(handle, "_PS3")) > > newfunc->flags |= FUNC_HAS_PS3; > > > > - if (ACPI_SUCCESS(acpi_get_handle(handle, "_DCK", &tmp))) > > + if (acpi_has_method(handle, "_DCK")) > > newfunc->flags |= FUNC_HAS_DCK; > > > > status = acpi_evaluate_integer(handle, "_SUN", NULL, &sun); > > @@ -843,25 +842,14 @@ static unsigned int get_slot_status(struct acpiphp_slot *slot) > > */ > > int acpiphp_eject_slot(struct acpiphp_slot *slot) > > { > > - acpi_status status; > > struct acpiphp_func *func; > > - struct acpi_object_list arg_list; > > - union acpi_object arg; > > > > list_for_each_entry(func, &slot->funcs, sibling) { > > /* We don't want to call _EJ0 on non-existing functions. */ > > if ((func->flags & FUNC_HAS_EJ0)) { > > - /* _EJ0 method take one argument */ > > - arg_list.count = 1; > > - arg_list.pointer = &arg; > > - arg.type = ACPI_TYPE_INTEGER; > > - arg.integer.value = 1; > > - > > - status = acpi_evaluate_object(func->handle, "_EJ0", &arg_list, NULL); > > - if (ACPI_FAILURE(status)) { > > - warn("%s: _EJ0 failed\n", __func__); > > + if (ACPI_FAILURE(acpi_evaluate_ej0(func->handle))) > > return -1; > > - } else > > + else > > break; > > } > > } > > @@ -1171,7 +1159,6 @@ static void handle_hotplug_event_func(acpi_handle handle, u32 type, > > */ > > void acpiphp_enumerate_slots(struct pci_bus *bus, acpi_handle handle) > > { > > - acpi_handle dummy_handle; > > struct acpiphp_bridge *bridge; > > > > if (acpiphp_disabled) > > @@ -1200,8 +1187,7 @@ void acpiphp_enumerate_slots(struct pci_bus *bus, acpi_handle handle) > > get_device(&bus->dev); > > > > if (!pci_is_root_bus(bridge->pci_bus) && > > - ACPI_SUCCESS(acpi_get_handle(bridge->handle, > > - "_EJ0", &dummy_handle))) { > > + acpi_has_method(bridge->handle, "_EJ0")) { > > dbg("found ejectable p2p bridge\n"); > > bridge->flags |= BRIDGE_HAS_EJ0; > > bridge->func = acpiphp_bridge_handle_to_function(handle); > > -- > > 1.8.1.2 > > -- I speak only for myself. Rafael J. Wysocki, Intel Open Source Technology Center. ^ permalink raw reply [flat|nested] 3+ messages in thread
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2013-06-28 16:24 ` [PATCH v3 10/10] ACPI: simplify acpiphp driver with new helper functions Jiang Liu
2013-06-28 17:20 ` Bjorn Helgaas
2013-06-28 18:42 ` Rafael J. Wysocki
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