Thread (25 messages) flat view 25 messages, 3 authors, 2021-02-10
STALE2021d

Revision v2 of 3 in this series.

Revisions (3)
  1. rfc [diff vs current]
  2. v2 current
  3. v3 [diff vs current]

[RFC/PATCH v2 10/16] soc: bcm: bcm2835-power: Bypass power_on/off() calls

From: Nicolas Saenz Julienne <hidden>
Date: 2021-02-09 13:04:34
Also in: lkml
Subsystem: the rest · Maintainer: Linus Torvalds

Bypass power_on/power_off() when running on BCM2711 as they are not
needed.

Signed-off-by: Nicolas Saenz Julienne <redacted>
---
 drivers/soc/bcm/bcm2835-power.c | 8 ++++++++
 1 file changed, 8 insertions(+)
diff --git a/drivers/soc/bcm/bcm2835-power.c b/drivers/soc/bcm/bcm2835-power.c
index 42e105758b47..e9c425419174 100644
--- a/drivers/soc/bcm/bcm2835-power.c
+++ b/drivers/soc/bcm/bcm2835-power.c
@@ -197,6 +197,10 @@ static int bcm2835_power_power_off(struct bcm2835_power_domain *pd, u32 pm_reg)
 {
 	struct bcm2835_power *power = pd->power;
 
+	/* We don't run this on BCM2711 */
+	if (power->argon_asb)
+		return 0;
+
 	/* Enable functional isolation */
 	PM_WRITE(pm_reg, PM_READ(pm_reg) & ~PM_ISFUNC);
 
@@ -218,6 +222,10 @@ static int bcm2835_power_power_on(struct bcm2835_power_domain *pd, u32 pm_reg)
 	int inrush;
 	bool powok;
 
+	/* We don't run this on BCM2711 */
+	if (power->argon_asb)
+		return 0;
+
 	/* If it was already powered on by the fw, leave it that way. */
 	if (PM_READ(pm_reg) & PM_POWUP)
 		return 0;
-- 
2.30.0


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