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For bus-based driver, device removal is implemented as:
1 device_remove()->
2 bus->remove()->
3 driver->remove()
Driver core needs no inform from callee(bus driver) about the
result of remove callback. In that case, commit fc7a6209d571
("bus: Make remove callback return void") forces bus_type::remove
be void-returned.
Now we have the situation that both 1 & 2 of calling chain are
void-returned, so it does not make much sense for 3(driver->remove)
to return non-void to its caller.
So the basic idea behind this change is making remove() callback of
any bus-based driver to be void-returned.
This change, for itself, is for device drivers based on acpi-bus.
Acked-by: Uwe Kleine-König <[email protected]>
Acked-by: Lee Jones <[email protected]>
Acked-by: Dmitry Torokhov <[email protected]>
Reviewed-by: Hans de Goede <[email protected]>
Signed-off-by: Dawei Li <[email protected]>
Reviewed-by: Maximilian Luz <[email protected]> # for drivers/platform/surface/*
Signed-off-by: Rafael J. Wysocki <[email protected]>
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A few x86 platform drivers use ACPI_DEBUG_PRINT() or ACPI_EXCEPTION()
for printing messages, but that is questionable, because those macros
belong to ACPICA and they should not be used elsewhere. In addition,
ACPI_DEBUG_PRINT() requires special enabling to allow it to actually
print the message, which is a nuisance, and the _COMPONENT symbol
generally needed for that is not defined in any of the files in
question.
For this reason, replace the ACPI_DEBUG_PRINT() in lg-laptop.c with
pr_debug() and the one in xo15-ebook.c with acpi_handle_debug()
(with the additional benefit that the source object can be identified
more easily after this change).
Also drop the ACPI_MODULE_NAME() definitions that are only used by
the ACPICA message printing macros from those files and from wmi.c
and surfacepro3_button.c (while at it).
Signed-off-by: Rafael J. Wysocki <[email protected]>
Link: https://lore.kernel.org/r/2074665.VPHYfYaQb6@kreacher
[[email protected]: Drop acer-wmi.c chunk, a similar patch was already merged]
Signed-off-by: Hans de Goede <[email protected]>
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Move the Surface Pro 3 Button driver from platform/x86 to the newly
created platform/surface directory.
Signed-off-by: Maximilian Luz <[email protected]>
Reviewed-by: Andy Shevchenko <[email protected]>
Acked-by: Chen Yu <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Hans de Goede <[email protected]>
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