diff options
| author | Alexander Stein <alexander.stein@systec-electronic.com> | 2017-01-30 12:35:28 +0100 |
|---|---|---|
| committer | Linus Walleij <linus.walleij@linaro.org> | 2017-01-30 15:53:57 +0100 |
| commit | cdca06e4e85974d8a3503ab15709dbbaf90d3dd1 (patch) | |
| tree | 268b0c01070a957006db97c88dccb5fb061440ff /tools/perf/arch/powerpc | |
| parent | 1b89970d81bbd52720fc64a3fe9572ee33588363 (diff) | |
pinctrl: baytrail: Add missing spinlock usage in byt_gpio_irq_handler
According to VLI64 Intel Atom E3800 Specification Update (#329901)
concurrent read accesses may result in returning 0xffffffff and write
accesses may be dropped silently.
To workaround all accesses must be protected by locks.
Cc: stable@vger.kernel.org
Signed-off-by: Alexander Stein <alexander.stein@systec-electronic.com>
Acked-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Diffstat (limited to 'tools/perf/arch/powerpc')