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The maple bus driver that went into the kernel mainline in September 2007
contained some bugs which were revealed by the update of the kobj code
for the current release series. Unfortunately those bugs also helped
ensure maple devices were properly detected. This patch (against the
current git) now ensures that devices are properly detected again.
(A previous attempt to fix this by delaying initialisation only partially
fixed this - as became apparent when the bus was fully loaded)
Signed-off-by: Adrian McMenamin <adrian@mcmen.demon.co.uk>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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Improve device detection for maple through longer delay
Experience suggests that a much longer delay in setting up the Maple bus
on the Dreamcast leads to better hardware detection.
Signed-off-by: Adrian McMenamin <adrian@mcmen.demon.co.uk>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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Replacement second-in-series patch:
This patch fixes up memory leaks and, by delaying initialisation, makes
device detection more robust.
It also makes clearer the difference between struct maple_device and
struct device, as well as cleaning up the interrupt request code
(without changing its function in any way).
Also now removes redundant registration checking.
Signed-off-by: Adrian McMenamin <adrian@mcmen.demon.co.uk>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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This patch is fundamentally about fixing up the whitespace problems
introduced by my previous patch (that brought the code into mainline). A
second patch will follow that will fix memory leaks. The two need to be
applied sequentially.
Signed-off-by: Adrian McMenamin <adrian@mcmen.demon.co.uk>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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The uevent API has changed from 2.6.22 and this patch eliminates
annoying compiler errors
Signed off by: Adrian McMenamin <adrian@mcmen.demon.co.uk>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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The Maple bus is SEGA's proprietary serial bus for peripherals
(keyboard, mouse, controller etc). The bus is capable of some
(limited) hotplugging and operates at up to 2 M/bits.
Drivers of one sort or another existed/exist for 2.4 and a rudimentary
port, which didn't support the 2.6 device driver model was also in
existence.
This driver - for the bus logic itself and for the keyboard (other
drivers will follow) are based on the code and concepts of those old
drivers but have lots of completely rewritten parts.
I have the maple bus code as a built in now as that seems the sane and
rational way to handle something like that - you either want the bus
or you don't.
Signed-off-by: Adrian McMenamin <adrian@mcmen.demon.co.uk>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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Adrian McMenamin
Adrian McMenamin