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Fix the acpi attachment to always start the worker thread.

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The previous change to split the worker thread start out of fdc_attach()
did not start the worker thread if the fdc device in the ACPI namespace
did not have an _FDE method.  This fixes hangs when booting with a
floppy controller enabled on certain machines with ACPI.

Tested by:	joel
This commit is contained in:
John Baldwin
2016-05-04 23:00:57 +00:00
parent 8907f744ff
commit e45163b216
1 changed files with 2 additions and 3 deletions
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sys/dev/fdc/fdc_acpi.c
+2 -3
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@@ -135,14 +135,13 @@ fdc_acpi_attach(device_t dev)
obj = buf.Pointer; obj = buf.Pointer;
error = fdc_acpi_probe_children(bus, dev, obj->Buffer.Pointer); error = fdc_acpi_probe_children(bus, dev, obj->Buffer.Pointer);
if (error == 0)
fdc_start_worker(dev);
out: out:
if (buf.Pointer) if (buf.Pointer)
free(buf.Pointer, M_TEMP); free(buf.Pointer, M_TEMP);
if (error != 0) if (error != 0)
fdc_release_resources(sc); fdc_release_resources(sc);
else
fdc_start_worker(dev);
return (error); return (error);
} }