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| author | Erik Schumacher <erik.schumacher@iris-sensing.com> | 2024-10-25 11:37:00 +0300 |
|---|---|---|
| committer | Uwe Kleine-König <ukleinek@kernel.org> | 2024-10-25 12:29:17 +0300 |
| commit | cc6a931d1f3b412263d515fd93b21fc0ca5147fe (patch) | |
| tree | c202c2fc454016c9dcb92a85a1ebe3b1da005d26 /tools/perf/scripts/python/flamegraph.py | |
| parent | 9852d85ec9d492ebef56dc5f229416c925758edc (diff) | |
| download | linux-cc6a931d1f3b412263d515fd93b21fc0ca5147fe.tar.xz | |
pwm: imx-tpm: Use correct MODULO value for EPWM mode
The modulo register defines the period of the edge-aligned PWM mode
(which is the only mode implemented). The reference manual states:
"The EPWM period is determined by (MOD + 0001h) ..." So the value that
is written to the MOD register must therefore be one less than the
calculated period length. Return -EINVAL if the calculated length is
already zero.
A correct MODULO value is particularly relevant if the PWM has to output
a high frequency due to a low period value.
Fixes: 738a1cfec2ed ("pwm: Add i.MX TPM PWM driver support")
Cc: stable@vger.kernel.org
Signed-off-by: Erik Schumacher <erik.schumacher@iris-sensing.com>
Link: https://lore.kernel.org/r/1a3890966d68b9f800d457cbf095746627495e18.camel@iris-sensing.com
Signed-off-by: Uwe Kleine-König <ukleinek@kernel.org>
Diffstat (limited to 'tools/perf/scripts/python/flamegraph.py')
0 files changed, 0 insertions, 0 deletions