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Red Hat Bugzilla – Attachment 313445 Details for
Bug 451399
linux-2.6-libata-acpi-handle-bay-devices-in-dock-stations.patch causes breakage
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avoid checking _STA method
acpi-dock-avoid-check-sta.patch (text/plain), 1.24 KB, created by
Holger Macht
on 2008-08-05 11:57:02 UTC
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Description:
avoid checking _STA method
Filename:
MIME Type:
Creator:
Holger Macht
Created:
2008-08-05 11:57:02 UTC
Size:
1.24 KB
patch
obsolete
>From: Shaohua Li <shaohua.li@intel.com> > >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> > >--- > drivers/acpi/dock.c | 4 +++- > 1 file changed, 3 insertions(+), 1 deletion(-) > >Index: linux/drivers/acpi/dock.c >=================================================================== >--- linux.orig/drivers/acpi/dock.c 2008-05-26 10:49:42.000000000 +0800 >+++ linux/drivers/acpi/dock.c 2008-06-05 09:09:13.000000000 +0800 >@@ -599,14 +599,16 @@ 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, > >
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