[PATCH v2] ARM: i.MX: phytec-som-imx6: phycore: fix updating pmic regulators

* [PATCH v2] ARM: i.MX: phytec-som-imx6: phycore: fix updating pmic regulators
@ 2019-10-02 13:09 Marco Felsch
  2019-10-04  7:58 ` Stefan Riedmüller
  2019-10-14 12:04 ` Sascha Hauer
  0 siblings, 2 replies; 3+ messages in thread
From: Marco Felsch @ 2019-10-02 13:09 UTC (permalink / raw)
  To: barebox, s.christ, j.remmet, s.riedmueller, c.hemp; +Cc: mfe

Currently the fixup code assumes that only one i2c bus is active. If we
reuse the board code for other boards this isn't always true. Fix that
by using of_find_i2c_adapter_by_node() to address both cases.

Fixes: b6bebb7aca ("ARM: i.MX: phytec-som-imx6: phycore: Set BUCK mode to SYNC")
Signed-off-by: Marco Felsch <m.felsch@pengutronix.de>
---
Changelog:

v2:
- Make use of of_find_i2c_adapter_by_node() to get the right adapter.
---
 arch/arm/boards/phytec-som-imx6/board.c | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/arch/arm/boards/phytec-som-imx6/board.c b/arch/arm/boards/phytec-som-imx6/board.c
index 730115702b..27a1ad4f66 100644
--- a/arch/arm/boards/phytec-som-imx6/board.c
+++ b/arch/arm/boards/phytec-som-imx6/board.c
@@ -115,12 +115,16 @@ static int ksz8081_phy_fixup(struct phy_device *phydev)
 static int phycore_da9062_setup_buck_mode(void)
 {
 	struct i2c_adapter *adapter = NULL;
+	struct device_node *pmic_np = NULL;
 	struct i2c_client client;
 	unsigned char value;
-	int bus = 0;
 	int ret;
 
-	adapter = i2c_get_adapter(bus);
+	pmic_np = of_find_node_by_name(NULL, "pmic@58");
+	if (!pmic_np)
+		return -ENODEV;
+
+	adapter = of_find_i2c_adapter_by_node(pmic_np->parent);
 	if (!adapter)
 		return -ENODEV;
 
-- 
2.20.1


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