[U-Boot] [PATCH] core: device: support multiple power domains for one device
Peng Fan
peng.fan at nxp.com
Tue Sep 17 06:14:48 UTC 2019
Hi Simon,
> Subject: Re: [PATCH] core: device: support multiple power domains for one
> device
>
> Hi Peng,
>
> On Mon, 2 Sep 2019 at 04:19, Peng Fan <peng.fan at nxp.com> wrote:
> >
> > When device has multiple power domains, power_domain_get could not
> > able to support that. So let's iterate each power domain and enable
> > it.
> >
> > Signed-off-by: Peng Fan <peng.fan at nxp.com>
> > ---
> > drivers/core/device.c | 14 +++++++++++---
> > 1 file changed, 11 insertions(+), 3 deletions(-)
> >
> > diff --git a/drivers/core/device.c b/drivers/core/device.c index
> > 474c1642ee..67fcff87fa 100644
> > --- a/drivers/core/device.c
> > +++ b/drivers/core/device.c
> > @@ -311,7 +311,7 @@ int device_probe(struct udevice *dev)
> > const struct driver *drv;
> > int size = 0;
> > int ret;
> > - int seq;
> > + int seq, i, count;
> >
> > if (!dev)
> > return -EINVAL;
> > @@ -390,8 +390,16 @@ int device_probe(struct udevice *dev)
> >
> > if (CONFIG_IS_ENABLED(POWER_DOMAIN) && dev->parent &&
> > device_get_uclass_id(dev) != UCLASS_POWER_DOMAIN) {
> > - if (!power_domain_get(dev, &pd))
> > - power_domain_on(&pd);
> > + count = dev_count_phandle_with_args(dev,
> "power-domains",
> > +
> "#power-domain-cells");
> > + for (i = 0; i < count; i++) {
> > + ret = power_domain_get_by_index(dev, &pd,
> i);
> > + if (ret)
> > + goto fail;
> > + ret = power_domain_on(&pd);
> > + if (ret)
> > + goto fail;
> > + }
>
> Can you please move this into a new function, perhaps in a new
> drivers/core/power.c file?
ok. Let me fix in v2.
Thanks,
Peng.
>
> > }
> >
> > ret = uclass_pre_probe_device(dev);
> > --
> > 2.16.4
> >
>
> Regards,
> Simon
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