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| author | Finn Thain <fthain@telegraphics.com.au> | 2017-10-27 05:45:24 +0300 |
|---|---|---|
| committer | Geert Uytterhoeven <geert@linux-m68k.org> | 2017-11-10 01:02:57 +0300 |
| commit | 92178fcabbcd39fc9ccd4e58ec4be83dd5323a46 (patch) | |
| tree | e06ac4b6dd750c56f16f8c29e2a58a9eb855da1a /arch/arm/mach-berlin | |
| parent | 8ee90c5c3fd1af8e68133defb15cfc66c1de3f88 (diff) | |
| download | linux-92178fcabbcd39fc9ccd4e58ec4be83dd5323a46.tar.xz | |
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 'arch/arm/mach-berlin')
0 files changed, 0 insertions, 0 deletions