diff options
| -rw-r--r-- | MAINTAINERS | 1 | ||||
| -rw-r--r-- | drivers/pwm/pwm-imx-tpm.c | 4 |
2 files changed, 4 insertions, 1 deletions
diff --git a/MAINTAINERS b/MAINTAINERS index 91d0609db61b..016e4c574d63 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -3745,6 +3745,7 @@ F: drivers/spi/spi-axi-spi-engine.c AXI PWM GENERATOR M: Michael Hennerich <michael.hennerich@analog.com> M: Nuno Sá <nuno.sa@analog.com> +R: Trevor Gamblin <tgamblin@baylibre.com> L: linux-pwm@vger.kernel.org S: Supported W: https://ez.analog.com/linux-software-drivers diff --git a/drivers/pwm/pwm-imx-tpm.c b/drivers/pwm/pwm-imx-tpm.c index 96ea343856f0..7ee7b65b9b90 100644 --- a/drivers/pwm/pwm-imx-tpm.c +++ b/drivers/pwm/pwm-imx-tpm.c @@ -106,7 +106,9 @@ static int pwm_imx_tpm_round_state(struct pwm_chip *chip, p->prescale = prescale; period_count = (clock_unit + ((1 << prescale) >> 1)) >> prescale; - p->mod = period_count; + if (period_count == 0) + return -EINVAL; + p->mod = period_count - 1; /* calculate real period HW can support */ tmp = (u64)period_count << prescale; |