Messages in this thread Patch in this message | | | Subject | patch acpi-dock-avoid-check-_sta-method.patch added to 2.6.25-stable tree | From | <> | Date | Fri, 07 Nov 2008 14:19:53 -0800 |
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This is a note to let you know that we have just queued up the patch titled
Subject: ACPI: dock: avoid check _STA method
to the 2.6.25-stable tree. Its filename is
acpi-dock-avoid-check-_sta-method.patch
A git repo of this tree can be found at http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
From lenb@kernel.org Fri Nov 7 14:08:55 2008 From: Shaohua Li <shaohua.li@intel.com> Date: Thu, 06 Nov 2008 14:18:55 -0500 (EST) Subject: ACPI: dock: avoid check _STA method To: stable@kernel.org Cc: linux-acpi@vger.kernel.org, Linux Kernel Mailing List <linux-kernel@vger.kernel.org>, Shaohua Li <shaohua.li@intel.com> Message-ID: <alpine.LFD.2.00.0811061417380.3106@localhost.localdomain>
From: Shaohua Li <shaohua.li@intel.com>
commit 8b59560a3baf2e7c24e0fb92ea5d09eca92805db upstream.
ACPI: dock: avoid check _STA method
In some BIOSes, every _STA method call will send a notification again, this cause freeze. And in some BIOSes, it appears _STA should be called after _DCK. This tries to avoid calls _STA, and still keep the device present check.
http://bugzilla.kernel.org/show_bug.cgi?id=10431
Signed-off-by: Shaohua Li <shaohua.li@intel.com> Signed-off-by: Len Brown <len.brown@intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
--- drivers/acpi/dock.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-)
--- a/drivers/acpi/dock.c +++ b/drivers/acpi/dock.c @@ -599,14 +599,17 @@ static int handle_eject_request(struct d static void dock_notify(acpi_handle handle, u32 event, void *data) { struct dock_station *ds = data; + struct acpi_device *tmp; switch (event) { case ACPI_NOTIFY_BUS_CHECK: - if (!dock_in_progress(ds) && dock_present(ds)) { + if (!dock_in_progress(ds) && acpi_bus_get_device(ds->handle, + &tmp)) { begin_dock(ds); dock(ds); if (!dock_present(ds)) { printk(KERN_ERR PREFIX "Unable to dock!\n"); + complete_dock(ds); break; } atomic_notifier_call_chain(&dock_notifier_list,
Patches currently in stable-queue which might be from shaohua.li@intel.com are
queue-2.6.25/acpi-dock-avoid-check-_sta-method.patch
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