[PATCH v9 3/3] pwm: sifive: Fix the error in the idempotent test within the pwm_apply_state_debug function
Nylon Chen
nylon.chen at sifive.com
Tue Jan 7 00:28:40 PST 2025
Uwe Kleine-König <u.kleine-koenig at baylibre.com> 於 2025年1月7日 週二 下午12:52寫道:
>
> Hello Nylon,
>
> On Mon, Jan 06, 2025 at 05:00:32PM +0800, Nylon Chen wrote:
> > Hi Uwe, I have made the following adjustments based on your
> > requirements. Does this align with what you had in mind?
> > - period
> > seq 5000 1 15000 | while read p; do echo $p >
> > /sys/class/pwm/pwmchip0/pwm0/period echo "Testing period: $p" done
> >
> > - duty cycle
> > for duty in $(seq 0 1 10000); do echo $duty >
> > /sys/class/pwm/pwmchip0/pwm0/duty_cycle echo "Testing duty cycle:
> > $duty" done
>
> That + doing the same test backwards (i.e. using seq 15000 -1 5000 for
> the period test and seq 10000 -1 0 for duty_cycle) should catch most
> rounding bugs.
>
Hi Uwe, I understand what you mean now (testing must consider both
backwards and forwards).
Thank you for taking the time to explain it to me.
> Best regards
> Uwe
More information about the linux-riscv
mailing list