On 3/31/22 11:54, Marek Vasut wrote: > In case the ops is not implemented, return 0 in the core right away. > This is better than having multiple copies of functions which just > return 0 in each power domain driver. Drop all those empty functions. > > Signed-off-by: Marek Vasut <ma...@denx.de> > Cc: Patrick Delaunay <patrick.delau...@foss.st.com> > Cc: Simon Glass <s...@chromium.org>
Reviewed-by: Jaehoon Chung <jh80.ch...@samsung.com> Best Regards, Jaehoon Chung > --- > drivers/power/domain/apple-pmgr.c | 30 ------------------- > drivers/power/domain/bcm6328-power-domain.c | 6 ---- > .../power/domain/imx8-power-domain-legacy.c | 16 ---------- > drivers/power/domain/imx8-power-domain.c | 24 --------------- > drivers/power/domain/imx8m-power-domain.c | 18 ----------- > drivers/power/domain/meson-ee-pwrc.c | 12 -------- > drivers/power/domain/meson-gx-pwrc-vpu.c | 12 -------- > drivers/power/domain/mtk-power-domain.c | 6 ---- > drivers/power/domain/power-domain-uclass.c | 8 ++--- > drivers/power/domain/tegra186-power-domain.c | 26 ---------------- > drivers/power/domain/ti-power-domain.c | 13 -------- > drivers/power/domain/ti-sci-power-domain.c | 14 --------- > 12 files changed, 4 insertions(+), 181 deletions(-) > > diff --git a/drivers/power/domain/apple-pmgr.c > b/drivers/power/domain/apple-pmgr.c > index 4d06e76ff5e..402c5b1fd18 100644 > --- a/drivers/power/domain/apple-pmgr.c > +++ b/drivers/power/domain/apple-pmgr.c > @@ -42,16 +42,6 @@ static int apple_reset_of_xlate(struct reset_ctl > *reset_ctl, > return 0; > } > > -static int apple_reset_request(struct reset_ctl *reset_ctl) > -{ > - return 0; > -} > - > -static int apple_reset_free(struct reset_ctl *reset_ctl) > -{ > - return 0; > -} > - > static int apple_reset_assert(struct reset_ctl *reset_ctl) > { > struct apple_pmgr_priv *priv = dev_get_priv(reset_ctl->dev->parent); > @@ -80,8 +70,6 @@ static int apple_reset_deassert(struct reset_ctl *reset_ctl) > > struct reset_ops apple_reset_ops = { > .of_xlate = apple_reset_of_xlate, > - .request = apple_reset_request, > - .rfree = apple_reset_free, > .rst_assert = apple_reset_assert, > .rst_deassert = apple_reset_deassert, > }; > @@ -92,16 +80,6 @@ static struct driver apple_reset_driver = { > .ops = &apple_reset_ops, > }; > > -static int apple_pmgr_request(struct power_domain *power_domain) > -{ > - return 0; > -} > - > -static int apple_pmgr_rfree(struct power_domain *power_domain) > -{ > - return 0; > -} > - > static int apple_pmgr_ps_set(struct power_domain *power_domain, u32 pstate) > { > struct apple_pmgr_priv *priv = dev_get_priv(power_domain->dev); > @@ -121,11 +99,6 @@ static int apple_pmgr_on(struct power_domain > *power_domain) > return apple_pmgr_ps_set(power_domain, APPLE_PMGR_PS_ACTIVE); > } > > -static int apple_pmgr_off(struct power_domain *power_domain) > -{ > - return 0; > -} > - > static int apple_pmgr_of_xlate(struct power_domain *power_domain, > struct ofnode_phandle_args *args) > { > @@ -167,10 +140,7 @@ static int apple_pmgr_probe(struct udevice *dev) > } > > struct power_domain_ops apple_pmgr_ops = { > - .request = apple_pmgr_request, > - .rfree = apple_pmgr_rfree, > .on = apple_pmgr_on, > - .off = apple_pmgr_off, > .of_xlate = apple_pmgr_of_xlate, > }; > > diff --git a/drivers/power/domain/bcm6328-power-domain.c > b/drivers/power/domain/bcm6328-power-domain.c > index 6e720e0798c..80144dd9772 100644 > --- a/drivers/power/domain/bcm6328-power-domain.c > +++ b/drivers/power/domain/bcm6328-power-domain.c > @@ -24,11 +24,6 @@ static int bcm6328_power_domain_request(struct > power_domain *power_domain) > return 0; > } > > -static int bcm6328_power_domain_free(struct power_domain *power_domain) > -{ > - return 0; > -} > - > static int bcm6328_power_domain_on(struct power_domain *power_domain) > { > struct bcm6328_power_domain *priv = dev_get_priv(power_domain->dev); > @@ -64,7 +59,6 @@ static const struct udevice_id bcm6328_power_domain_ids[] = > { > }; > > struct power_domain_ops bcm6328_power_domain_ops = { > - .rfree = bcm6328_power_domain_free, > .off = bcm6328_power_domain_off, > .on = bcm6328_power_domain_on, > .request = bcm6328_power_domain_request, > diff --git a/drivers/power/domain/imx8-power-domain-legacy.c > b/drivers/power/domain/imx8-power-domain-legacy.c > index e2fae2dbc86..bf45891bccd 100644 > --- a/drivers/power/domain/imx8-power-domain-legacy.c > +++ b/drivers/power/domain/imx8-power-domain-legacy.c > @@ -84,20 +84,6 @@ int imx8_power_domain_lookup_name(const char *name, > return 0; > } > > -static int imx8_power_domain_request(struct power_domain *power_domain) > -{ > - debug("%s(power_domain=%p)\n", __func__, power_domain); > - > - return 0; > -} > - > -static int imx8_power_domain_free(struct power_domain *power_domain) > -{ > - debug("%s(power_domain=%p)\n", __func__, power_domain); > - > - return 0; > -} > - > static int imx8_power_domain_on(struct power_domain *power_domain) > { > struct udevice *dev = power_domain->dev; > @@ -364,8 +350,6 @@ static const struct udevice_id imx8_power_domain_ids[] = { > }; > > struct power_domain_ops imx8_power_domain_ops = { > - .request = imx8_power_domain_request, > - .rfree = imx8_power_domain_free, > .on = imx8_power_domain_on, > .off = imx8_power_domain_off, > .of_xlate = imx8_power_domain_of_xlate, > diff --git a/drivers/power/domain/imx8-power-domain.c > b/drivers/power/domain/imx8-power-domain.c > index 6461ab23d62..17b5d57b19b 100644 > --- a/drivers/power/domain/imx8-power-domain.c > +++ b/drivers/power/domain/imx8-power-domain.c > @@ -12,20 +12,6 @@ > #include <asm/arch/power-domain.h> > #include <asm/arch/sci/sci.h> > > -static int imx8_power_domain_request(struct power_domain *power_domain) > -{ > - debug("%s(power_domain=%p)\n", __func__, power_domain); > - > - return 0; > -} > - > -static int imx8_power_domain_free(struct power_domain *power_domain) > -{ > - debug("%s(power_domain=%p)\n", __func__, power_domain); > - > - return 0; > -} > - > static int imx8_power_domain_on(struct power_domain *power_domain) > { > u32 resource_id = power_domain->id; > @@ -60,13 +46,6 @@ static int imx8_power_domain_off(struct power_domain > *power_domain) > return 0; > } > > -static int imx8_power_domain_probe(struct udevice *dev) > -{ > - debug("%s(dev=%s)\n", __func__, dev->name); > - > - return 0; > -} > - > static const struct udevice_id imx8_power_domain_ids[] = { > { .compatible = "fsl,imx8qxp-scu-pd" }, > { .compatible = "fsl,scu-pd" }, > @@ -74,8 +53,6 @@ static const struct udevice_id imx8_power_domain_ids[] = { > }; > > struct power_domain_ops imx8_power_domain_ops_v2 = { > - .request = imx8_power_domain_request, > - .rfree = imx8_power_domain_free, > .on = imx8_power_domain_on, > .off = imx8_power_domain_off, > }; > @@ -84,6 +61,5 @@ U_BOOT_DRIVER(imx8_power_domain_v2) = { > .name = "imx8_power_domain_v2", > .id = UCLASS_POWER_DOMAIN, > .of_match = imx8_power_domain_ids, > - .probe = imx8_power_domain_probe, > .ops = &imx8_power_domain_ops_v2, > }; > diff --git a/drivers/power/domain/imx8m-power-domain.c > b/drivers/power/domain/imx8m-power-domain.c > index 5d34bc12902..6082ee6ff8c 100644 > --- a/drivers/power/domain/imx8m-power-domain.c > +++ b/drivers/power/domain/imx8m-power-domain.c > @@ -18,16 +18,6 @@ > > DECLARE_GLOBAL_DATA_PTR; > > -static int imx8m_power_domain_request(struct power_domain *power_domain) > -{ > - return 0; > -} > - > -static int imx8m_power_domain_free(struct power_domain *power_domain) > -{ > - return 0; > -} > - > static int imx8m_power_domain_on(struct power_domain *power_domain) > { > struct udevice *dev = power_domain->dev; > @@ -100,11 +90,6 @@ static int imx8m_power_domain_bind(struct udevice *dev) > return 0; > } > > -static int imx8m_power_domain_probe(struct udevice *dev) > -{ > - return 0; > -} > - > static int imx8m_power_domain_of_to_plat(struct udevice *dev) > { > struct imx8m_power_domain_plat *pdata = dev_get_plat(dev); > @@ -126,8 +111,6 @@ static const struct udevice_id imx8m_power_domain_ids[] = > { > }; > > struct power_domain_ops imx8m_power_domain_ops = { > - .request = imx8m_power_domain_request, > - .rfree = imx8m_power_domain_free, > .on = imx8m_power_domain_on, > .off = imx8m_power_domain_off, > .of_xlate = imx8m_power_domain_of_xlate, > @@ -138,7 +121,6 @@ U_BOOT_DRIVER(imx8m_power_domain) = { > .id = UCLASS_POWER_DOMAIN, > .of_match = imx8m_power_domain_ids, > .bind = imx8m_power_domain_bind, > - .probe = imx8m_power_domain_probe, > .of_to_plat = imx8m_power_domain_of_to_plat, > .plat_auto = sizeof(struct imx8m_power_domain_plat), > .ops = &imx8m_power_domain_ops, > diff --git a/drivers/power/domain/meson-ee-pwrc.c > b/drivers/power/domain/meson-ee-pwrc.c > index a4d50e701ae..676fded8080 100644 > --- a/drivers/power/domain/meson-ee-pwrc.c > +++ b/drivers/power/domain/meson-ee-pwrc.c > @@ -273,16 +273,6 @@ static bool pwrc_ee_get_power(struct power_domain > *power_domain) > return (reg & pwrc_domain->top_pd->sleep_mask); > } > > -static int meson_ee_pwrc_request(struct power_domain *power_domain) > -{ > - return 0; > -} > - > -static int meson_ee_pwrc_free(struct power_domain *power_domain) > -{ > - return 0; > -} > - > static int meson_ee_pwrc_off(struct power_domain *power_domain) > { > struct meson_ee_pwrc_priv *priv = dev_get_priv(power_domain->dev); > @@ -387,10 +377,8 @@ static int meson_ee_pwrc_of_xlate(struct power_domain > *power_domain, > } > > struct power_domain_ops meson_ee_pwrc_ops = { > - .rfree = meson_ee_pwrc_free, > .off = meson_ee_pwrc_off, > .on = meson_ee_pwrc_on, > - .request = meson_ee_pwrc_request, > .of_xlate = meson_ee_pwrc_of_xlate, > }; > > diff --git a/drivers/power/domain/meson-gx-pwrc-vpu.c > b/drivers/power/domain/meson-gx-pwrc-vpu.c > index eb94af2cf83..612660ce89f 100644 > --- a/drivers/power/domain/meson-gx-pwrc-vpu.c > +++ b/drivers/power/domain/meson-gx-pwrc-vpu.c > @@ -45,16 +45,6 @@ struct meson_gx_pwrc_vpu_priv { > struct clk_bulk clks; > }; > > -static int meson_pwrc_vpu_request(struct power_domain *power_domain) > -{ > - return 0; > -} > - > -static int meson_pwrc_vpu_free(struct power_domain *power_domain) > -{ > - return 0; > -} > - > static int meson_gx_pwrc_vpu_on(struct power_domain *power_domain) > { > struct meson_gx_pwrc_vpu_priv *priv = dev_get_priv(power_domain->dev); > @@ -274,10 +264,8 @@ static int meson_pwrc_vpu_of_xlate(struct power_domain > *power_domain, > } > > struct power_domain_ops meson_gx_pwrc_vpu_ops = { > - .rfree = meson_pwrc_vpu_free, > .off = meson_pwrc_vpu_off, > .on = meson_pwrc_vpu_on, > - .request = meson_pwrc_vpu_request, > .of_xlate = meson_pwrc_vpu_of_xlate, > }; > > diff --git a/drivers/power/domain/mtk-power-domain.c > b/drivers/power/domain/mtk-power-domain.c > index ca2ded00efa..3b84147d481 100644 > --- a/drivers/power/domain/mtk-power-domain.c > +++ b/drivers/power/domain/mtk-power-domain.c > @@ -317,11 +317,6 @@ static int scpsys_power_request(struct power_domain > *power_domain) > return 0; > } > > -static int scpsys_power_free(struct power_domain *power_domain) > -{ > - return 0; > -} > - > static int mtk_power_domain_hook(struct udevice *dev) > { > struct scp_domain *scpd = dev_get_priv(dev); > @@ -399,7 +394,6 @@ static const struct udevice_id mtk_power_domain_ids[] = { > }; > > struct power_domain_ops mtk_power_domain_ops = { > - .rfree = scpsys_power_free, > .off = scpsys_power_off, > .on = scpsys_power_on, > .request = scpsys_power_request, > diff --git a/drivers/power/domain/power-domain-uclass.c > b/drivers/power/domain/power-domain-uclass.c > index 33f9206bd09..0c5823ceddf 100644 > --- a/drivers/power/domain/power-domain-uclass.c > +++ b/drivers/power/domain/power-domain-uclass.c > @@ -71,7 +71,7 @@ int power_domain_get_by_index(struct udevice *dev, > return ret; > } > > - ret = ops->request(power_domain); > + ret = ops->request ? ops->request(power_domain) : 0; > if (ret) { > debug("ops->request() failed: %d\n", ret); > return ret; > @@ -91,7 +91,7 @@ int power_domain_free(struct power_domain *power_domain) > > debug("%s(power_domain=%p)\n", __func__, power_domain); > > - return ops->rfree(power_domain); > + return ops->rfree ? ops->rfree(power_domain) : 0; > } > > int power_domain_on(struct power_domain *power_domain) > @@ -100,7 +100,7 @@ int power_domain_on(struct power_domain *power_domain) > > debug("%s(power_domain=%p)\n", __func__, power_domain); > > - return ops->on(power_domain); > + return ops->on ? ops->on(power_domain) : 0; > } > > int power_domain_off(struct power_domain *power_domain) > @@ -109,7 +109,7 @@ int power_domain_off(struct power_domain *power_domain) > > debug("%s(power_domain=%p)\n", __func__, power_domain); > > - return ops->off(power_domain); > + return ops->off ? ops->off(power_domain) : 0; > } > > #if CONFIG_IS_ENABLED(OF_REAL) > diff --git a/drivers/power/domain/tegra186-power-domain.c > b/drivers/power/domain/tegra186-power-domain.c > index 707735cf851..46da541b75a 100644 > --- a/drivers/power/domain/tegra186-power-domain.c > +++ b/drivers/power/domain/tegra186-power-domain.c > @@ -15,22 +15,6 @@ > #define UPDATE BIT(0) > #define ON BIT(1) > > -static int tegra186_power_domain_request(struct power_domain *power_domain) > -{ > - debug("%s(power_domain=%p) (dev=%p, id=%lu)\n", __func__, > - power_domain, power_domain->dev, power_domain->id); > - > - return 0; > -} > - > -static int tegra186_power_domain_free(struct power_domain *power_domain) > -{ > - debug("%s(power_domain=%p) (dev=%p, id=%lu)\n", __func__, > - power_domain, power_domain->dev, power_domain->id); > - > - return 0; > -} > - > static int tegra186_power_domain_common(struct power_domain *power_domain, > bool on) > { > @@ -73,22 +57,12 @@ static int tegra186_power_domain_off(struct power_domain > *power_domain) > } > > struct power_domain_ops tegra186_power_domain_ops = { > - .request = tegra186_power_domain_request, > - .rfree = tegra186_power_domain_free, > .on = tegra186_power_domain_on, > .off = tegra186_power_domain_off, > }; > > -static int tegra186_power_domain_probe(struct udevice *dev) > -{ > - debug("%s(dev=%p)\n", __func__, dev); > - > - return 0; > -} > - > U_BOOT_DRIVER(tegra186_power_domain) = { > .name = "tegra186_power_domain", > .id = UCLASS_POWER_DOMAIN, > - .probe = tegra186_power_domain_probe, > .ops = &tegra186_power_domain_ops, > }; > diff --git a/drivers/power/domain/ti-power-domain.c > b/drivers/power/domain/ti-power-domain.c > index a7dadf2eea7..89e229b36f3 100644 > --- a/drivers/power/domain/ti-power-domain.c > +++ b/drivers/power/domain/ti-power-domain.c > @@ -339,17 +339,6 @@ static int ti_power_domain_of_xlate(struct power_domain > *pd, > > return 0; > } > - > -static int ti_power_domain_request(struct power_domain *pd) > -{ > - return 0; > -} > - > -static int ti_power_domain_free(struct power_domain *pd) > -{ > - return 0; > -} > - > static const struct udevice_id ti_power_domain_of_match[] = { > { .compatible = "ti,sci-pm-domain" }, > { /* sentinel */ } > @@ -359,8 +348,6 @@ static struct power_domain_ops ti_power_domain_ops = { > .on = ti_power_domain_on, > .off = ti_power_domain_off, > .of_xlate = ti_power_domain_of_xlate, > - .request = ti_power_domain_request, > - .rfree = ti_power_domain_free, > }; > > U_BOOT_DRIVER(ti_pm_domains) = { > diff --git a/drivers/power/domain/ti-sci-power-domain.c > b/drivers/power/domain/ti-sci-power-domain.c > index f18e45617a1..0140e5e5217 100644 > --- a/drivers/power/domain/ti-sci-power-domain.c > +++ b/drivers/power/domain/ti-sci-power-domain.c > @@ -44,18 +44,6 @@ static int ti_sci_power_domain_probe(struct udevice *dev) > return 0; > } > > -static int ti_sci_power_domain_request(struct power_domain *pd) > -{ > - debug("%s(pd=%p)\n", __func__, pd); > - return 0; > -} > - > -static int ti_sci_power_domain_free(struct power_domain *pd) > -{ > - debug("%s(pd=%p)\n", __func__, pd); > - return 0; > -} > - > static int ti_sci_power_domain_on(struct power_domain *pd) > { > struct ti_sci_power_domain_data *data = dev_get_priv(pd->dev); > @@ -123,8 +111,6 @@ static const struct udevice_id > ti_sci_power_domain_of_match[] = { > }; > > static struct power_domain_ops ti_sci_power_domain_ops = { > - .request = ti_sci_power_domain_request, > - .rfree = ti_sci_power_domain_free, > .on = ti_sci_power_domain_on, > .off = ti_sci_power_domain_off, > .of_xlate = ti_sci_power_domain_of_xlate,