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| author |   Wolfram Sang <wsa+renesas@sang-engineering.com> | 2020-12-23 18:21:51 +0100 |
|---|---|---|
| committer |   Wolfram Sang <wsa@kernel.org> | 2021-01-05 16:29:06 +0100 |
| commit | c7b514ec979e23a08c411f3d8ed39c7922751422 (patch) | |
| tree | 26283d7292331bc63232f611677bf13d7123f951 /tools/perf/scripts/python/net_dropmonitor.py | |
| parent | i2c: qcom-geni: Store DMA mapping data in geni_i2c_dev struct (diff) | |
| download | linux-rng-c7b514ec979e23a08c411f3d8ed39c7922751422.tar.xz linux-rng-c7b514ec979e23a08c411f3d8ed39c7922751422.zip | |
i2c: rcar: faster irq code to minimize HW race condition
To avoid the HW race condition on R-Car Gen2 and earlier, we need to
write to ICMCR as soon as possible in the interrupt handler. We can
improve this by writing a static value instead of masking out bits.
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Reviewed-by: Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se>
Signed-off-by: Wolfram Sang <wsa@kernel.org>
Diffstat (limited to 'tools/perf/scripts/python/net_dropmonitor.py')
0 files changed, 0 insertions, 0 deletions