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ata: make PATA_PLATFORM selectable only for suitable architectures
It is currently possible to select "Generic platform device PATA support" in two situations: - architecture allows the generic platform device PATA support and indicates that with "select HAVE_PATA_PLATFORM". - if the user claims to be an EXPERT by setting CONFIG_EXPERT to yes However, there is no use case to have Generic platform device PATA support in a kernel build if the architecture definition, i.e., the selection of configs by an architecture, does not support it. If the architecture definition is wrong, i.e., it just misses a 'select HAVE_PATA_PLATFORM', then even an expert that configures the kernel build should not just fix that by overruling the claimed support by an architecture. If the architecture definition is wrong, the expert should just provide a patch to correct the architecture definition instead---in the end, if the user is an expert, sending a quick one-line patch should not be an issue. In other words, I do not see the deeper why an expert can overrule the architecture definition in this case, as the expert may not overrule the config selections defined by the architecture in the large majority ---or probably all other (modulo some mistakes)---of similar cases. Signed-off-by: Lukas Bulwahn <lukas.bulwahn@gmail.com> Reviewed-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Damien Le Moal <damien.lemoal@opensource.wdc.com>
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@ -1102,7 +1102,7 @@ config PATA_PCMCIA
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If unsure, say N.
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If unsure, say N.
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config PATA_PLATFORM
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config PATA_PLATFORM
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tristate "Generic platform device PATA support" if EXPERT || HAVE_PATA_PLATFORM
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tristate "Generic platform device PATA support" if HAVE_PATA_PLATFORM
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help
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help
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This option enables support for generic directly connected ATA
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This option enables support for generic directly connected ATA
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devices commonly found on embedded systems.
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devices commonly found on embedded systems.
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