macintosh/adb-iop: Implement SRQ autopolling
The adb_driver.autopoll method is needed during ADB bus scan and device address assignment. Implement this method so that the IOP's list of device addresses can be updated. When the list is empty, disable SRQ autopolling. Signed-off-by:Finn Thain <fthain@telegraphics.com.au> Tested-by:
Stan Johnson <userm57@yahoo.com> Acked-by:
Geert Uytterhoeven <geert@linux-m68k.org> Signed-off-by:
Michael Ellerman <mpe@ellerman.id.au> Link: https://lore.kernel.org/r/0fb7fdcd99d7820bb27faf1f27f7f6f1923914ef.1590880623.git.fthain@telegraphics.com.au
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e2954e5f
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