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| author |   Finn Thain <fthain@telegraphics.com.au> | 2017-10-26 22:45:24 -0400 |
|---|---|---|
| committer |   Geert Uytterhoeven <geert@linux-m68k.org> | 2017-11-09 23:02:57 +0100 |
| commit | 92178fcabbcd39fc9ccd4e58ec4be83dd5323a46 (patch) | |
| tree | e06ac4b6dd750c56f16f8c29e2a58a9eb855da1a /drivers/nubus/nubus.c | |
| parent | m68k/mac: Disentangle VIA/RBV and NuBus initialization (diff) | |
| download | linux-dev-92178fcabbcd39fc9ccd4e58ec4be83dd5323a46.tar.xz linux-dev-92178fcabbcd39fc9ccd4e58ec4be83dd5323a46.zip | |
m68k/mac: Add mutual exclusion for IOP interrupt polling
The IOP interrupt handler iop_ism_irq() is used by the adb-iop
driver to poll for ADB request completion. Unfortunately, it is not
re-entrant. Fix the race condition by adding an iop_ism_irq_poll()
function with suitable mutual exclusion.
Tested-by: Stan Johnson <userm57@yahoo.com>
Signed-off-by: Finn Thain <fthain@telegraphics.com.au>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: linuxppc-dev@lists.ozlabs.org
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Diffstat (limited to 'drivers/nubus/nubus.c')
0 files changed, 0 insertions, 0 deletions