On Fri, 26 Sep 2008 22:21:47 +0200 "Rafael J. Wysocki" <rjw@xxxxxxx> wrote:
> Len,
>
> I think we should do this in .27.
Is Len not there? Can some other acpi person please review this for
2.6.27 inclusion?
> From: Rafael J. Wysocki <rjw@xxxxxxx>
>
> ACPI: Make /proc/acpi/wakeup interface handle PCI devices (again)
>
> Make the ACPI /proc/acpi/wakeup interface set the appropriate
> wake-up bits of physical devices corresponding to the ACPI
> devices and make those bits be set initially for devices that are
> enabled to wake up by default. This is needed to restore the
> previous behavior for the PCI devices that were previously handled
> correctly with the help of the /proc/acpi/wakeup interface.
hm, if you say so. It's a bit hard to judge the impact of not fixing this?
When is "previous"? Was 2.6.26 similarly busted?
Thanks.
> Signed-off-by: Rafael J. Wysocki <rjw@xxxxxxx>
> ---
> drivers/acpi/glue.c | 5 ++++-
> drivers/acpi/sleep/proc.c | 10 ++++++++++
> 2 files changed, 14 insertions(+), 1 deletion(-)
>
> Index: linux-2.6/drivers/acpi/sleep/proc.c
> ===================================================================
> --- linux-2.6.orig/drivers/acpi/sleep/proc.c
> +++ linux-2.6/drivers/acpi/sleep/proc.c
> @@ -377,6 +377,14 @@ acpi_system_wakeup_device_seq_show(struc
> return 0;
> }
>
> +static void physical_device_enable_wakeup(struct acpi_device *adev)
> +{
> + struct device *dev = acpi_get_physical_device(adev->handle);
> +
> + if (dev && device_can_wakeup(dev))
> + device_set_wakeup_enable(dev, adev->wakeup.state.enabled);
> +}
> +
> static ssize_t
> acpi_system_write_wakeup_device(struct file *file,
> const char __user * buffer,
> @@ -411,6 +419,7 @@ acpi_system_write_wakeup_device(struct f
> }
> }
> if (found_dev) {
> + physical_device_enable_wakeup(found_dev);
> list_for_each_safe(node, next, &acpi_wakeup_device_list) {
> struct acpi_device *dev = container_of(node,
> struct
> @@ -428,6 +437,7 @@ acpi_system_write_wakeup_device(struct f
> dev->pnp.bus_id, found_dev->pnp.bus_id);
> dev->wakeup.state.enabled =
> found_dev->wakeup.state.enabled;
> + physical_device_enable_wakeup(dev);
> }
> }
> }
> Index: linux-2.6/drivers/acpi/glue.c
> ===================================================================
> --- linux-2.6.orig/drivers/acpi/glue.c
> +++ linux-2.6/drivers/acpi/glue.c
> @@ -165,8 +165,11 @@ static int acpi_bind_one(struct device *
> "firmware_node");
> ret = sysfs_create_link(&acpi_dev->dev.kobj, &dev->kobj,
> "physical_node");
> - if (acpi_dev->wakeup.flags.valid)
> + if (acpi_dev->wakeup.flags.valid) {
> device_set_wakeup_capable(dev, true);
> + device_set_wakeup_enable(dev,
> + acpi_dev->wakeup.state.enabled);
> + }
> }
>
> return 0;
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