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macintosh/via-macii: Simplify locking
authorFinn Thain <fthain@telegraphics.com.au>
Wed, 12 Sep 2018 00:18:44 +0000 (20:18 -0400)
committerMichael Ellerman <mpe@ellerman.id.au>
Mon, 8 Oct 2018 11:53:10 +0000 (22:53 +1100)
commit5ce6185c2ef4e5bcb268f0fdbfca90e787e1bf6d
tree9424be1885328bf4e4c32a475c9abd2f6301dde3tree
parent5f93d7081a47e1972031ccf57c4b2779eee162fbcommit | diff
macintosh/via-macii: Simplify locking

Modifying the request queue or changing the current state requires
mutual exclusion. Use local_irq_disable() consistently for this
rather than disabling the ADB interrupt. This simplifies the locking
scheme and brings via-macii into line with the other ADB drivers.

Tested-by: Stan Johnson <userm57@yahoo.com>
Signed-off-by: Finn Thain <fthain@telegraphics.com.au>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
drivers/macintosh/via-macii.c diff | blob | history
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