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When no interrupt is specified the pata_of_platform fills the irq_res
resource with -1, which is wrong to do for two reasons:
1. By definition, 'no irq' should be IRQ 0, not some negative integer;
2. pata_platform checks for irq_res.start > 0, but since irq_res.start
is unsigned type, the check will be true for `-1'.
Reported-by: Steven A. Falco <sfalco@harris.com>
Signed-off-by: Anton Vorontsov <avorontsov@ru.mvista.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
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Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
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Move electra-ide glue over to the new pata_of_platform framework, and
add the quirks needed to that driver.
Signed-off-by: Olof Johansson <olof@lixom.net>
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This driver nicely wraps around pata_platform library functions,
and provides OF platform bus bindings to the PATA devices.
Also add || PPC to the PATA_PLATFORM's "depends on" Kconfig entry,
needed for PA Semi Electra.
Signed-off-by: Anton Vorontsov <avorontsov@ru.mvista.com>
Signed-off-by: Olof Johansson <olof@lixom.net>
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