Thread (29 messages) 29 messages, 5 authors, 2014-10-03

[PATCH v3 07/13] ARM: shmobile: R-Mobile: Use generic_pm_domain.attach_dev() for pm_clk setup

From: Ulf Hansson <hidden>
Date: 2014-09-26 08:45:55
Also in: linux-devicetree, linux-pm, linux-sh, lkml

On 25 September 2014 18:28, Geert Uytterhoeven [off-list ref] wrote:
Use the just introduced genpd attach/detach callbacks to register the
devices' module clocks, instead of doing it directly, to make it
DT-proof.

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Ulf Hansson <redacted>
quoted hunk ↗ jump to hunk
---
v3:
  - Update for callback signature changes,
v2:
  - New

 arch/arm/mach-shmobile/pm-rmobile.c | 15 +++++++++++++--
 1 file changed, 13 insertions(+), 2 deletions(-)
diff --git a/arch/arm/mach-shmobile/pm-rmobile.c b/arch/arm/mach-shmobile/pm-rmobile.c
index 717e6413d29cb998..ae846dfcd69293f7 100644
--- a/arch/arm/mach-shmobile/pm-rmobile.c
+++ b/arch/arm/mach-shmobile/pm-rmobile.c
@@ -101,6 +101,17 @@ static bool rmobile_pd_active_wakeup(struct device *dev)
        return true;
 }

+static void rmobile_pd_attach_dev(struct device *dev)
+{
+       if (pm_clk_no_clocks(dev))
+               pm_clk_add(dev, NULL);
+}
+
+static void rmobile_pd_detach_dev(struct device *dev)
+{
+       pm_clk_remove(dev, NULL);
+}
+
 static void rmobile_init_pm_domain(struct rmobile_pm_domain *rmobile_pd)
 {
        struct generic_pm_domain *genpd = &rmobile_pd->genpd;
@@ -112,6 +123,8 @@ static void rmobile_init_pm_domain(struct rmobile_pm_domain *rmobile_pd)
        genpd->dev_ops.active_wakeup    = rmobile_pd_active_wakeup;
        genpd->power_off                = rmobile_pd_power_down;
        genpd->power_on                 = rmobile_pd_power_up;
+       genpd->attach_dev               = rmobile_pd_attach_dev;
+       genpd->detach_dev               = rmobile_pd_detach_dev;
        __rmobile_pd_power_up(rmobile_pd, false);
 }
@@ -130,8 +143,6 @@ void rmobile_add_device_to_domain_td(const char *domain_name,
        struct device *dev = &pdev->dev;

        __pm_genpd_name_add_device(domain_name, dev, td);
-       if (pm_clk_no_clocks(dev))
-               pm_clk_add(dev, NULL);
 }

 void rmobile_add_devices_to_domains(struct pm_domain_device data[],
--
1.9.1
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