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  • Tejun Heo's avatar
    libata: implement and use ata_noop_irq_clear() · 358f9a77
    Tejun Heo authored
    ->irq_clear() is used to clear IRQ bit of a SFF controller and isn't
    useful for drivers which don't use libata SFF HSM implementation.
    However, it's a required callback and many drivers implement their own
    noop version as placeholder.  This patch implements ata_noop_irq_clear
    and use it to replace those custom placeholders.
    Also, SFF drivers which don't support BMDMA don't need to use
    ata_bmdma_irq_clear().  It becomes noop if BMDMA address isn't
    initialized.  Convert them to use ata_noop_irq_clear().
    Signed-off-by: default avatarTejun Heo <>
pata_icside.c 17.2 KB