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Groups > linux.kernel > #1379806
| From | Lee Jones <lee.jones@linaro.org> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: [RESEND 07/11] pwm: sti: Initialise PWM Capture channel data |
| Date | 2016-04-15 15:20 +0200 |
| Message-ID | <robPc-3yU-17@gated-at.bofh.it> (permalink) |
| References | <r8h2z-18n-39@gated-at.bofh.it> <r8h2z-18n-37@gated-at.bofh.it> <rn3K2-5ST-29@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
On Tue, 12 Apr 2016, Thierry Reding wrote:
> On Wed, Mar 02, 2016 at 03:32:05PM +0000, Lee Jones wrote:
> [...]
> > +struct sti_cpt_data {
> > + u32 snapshot[3];
> > + int index;
> > + int gpio;
[...]
> > +
> > + init_waitqueue_head(&data->wait);
> > + mutex_init(&data->lock);
> > + data->gpio = of_get_named_gpio(np, "capture-gpios", chan);
> > + pc->cpt_data[chan] = data;
>
> Converting to per-PWM data should be as simple as turning this last line
> into:
>
> pwm_set_chip_data(pc->chip.pwms[chan], data);
>
> Also I don't see any cleanup for this data in the driver. The memory for
> the per-PWM data should be freed by devm_*() infrastructure, but how
> will the GPIO be released?
There is no reason to release a GPIO.
--
Lee Jones
Linaro STMicroelectronics Landing Team Lead
Linaro.org │ Open source software for ARM SoCs
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Re: [RESEND 07/11] pwm: sti: Initialise PWM Capture channel data Thierry Reding <thierry.reding@gmail.com> - 2016-04-12 12:30 +0200
Re: [RESEND 07/11] pwm: sti: Initialise PWM Capture channel data Lee Jones <lee.jones@linaro.org> - 2016-04-15 14:40 +0200
Re: [RESEND 07/11] pwm: sti: Initialise PWM Capture channel data Thierry Reding <thierry.reding@gmail.com> - 2016-04-15 16:30 +0200
Re: [RESEND 07/11] pwm: sti: Initialise PWM Capture channel data Lee Jones <lee.jones@linaro.org> - 2016-04-15 16:40 +0200
Re: [RESEND 07/11] pwm: sti: Initialise PWM Capture channel data Lee Jones <lee.jones@linaro.org> - 2016-04-15 15:20 +0200
Re: [RESEND 07/11] pwm: sti: Initialise PWM Capture channel data Thierry Reding <thierry.reding@gmail.com> - 2016-04-15 16:30 +0200
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