[PATCH v3 5/8] phy: exynos5-usbdrd: gs101: ensure power is gated to SS phy in phy_exit()

From: André Draszik
Date: Thu Dec 05 2024 - 02:35:07 EST


We currently don't gate the power to the SS phy in phy_exit().

Shuffle the code slightly to ensure the power is gated to the SS phy as
well.

Fixes: 32267c29bc7d ("phy: exynos5-usbdrd: support Exynos USBDRD 3.1 combo phy (HS & SS)")
CC: stable@xxxxxxxxxxxxxxx # 6.11+
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxx>
Reviewed-by: Peter Griffin <peter.griffin@xxxxxxxxxx>
Signed-off-by: André Draszik <andre.draszik@xxxxxxxxxx>

---
v2:
* add cc-stable and fixes tags (Krzysztof)
* collect tags
---
drivers/phy/samsung/phy-exynos5-usbdrd.c | 13 ++++++++-----
1 file changed, 8 insertions(+), 5 deletions(-)

diff --git a/drivers/phy/samsung/phy-exynos5-usbdrd.c b/drivers/phy/samsung/phy-exynos5-usbdrd.c
index 2a724d362c2d..c1ce6fdeef31 100644
--- a/drivers/phy/samsung/phy-exynos5-usbdrd.c
+++ b/drivers/phy/samsung/phy-exynos5-usbdrd.c
@@ -1296,14 +1296,17 @@ static int exynos5_usbdrd_gs101_phy_exit(struct phy *phy)
struct exynos5_usbdrd_phy *phy_drd = to_usbdrd_phy(inst);
int ret;

+ if (inst->phy_cfg->id == EXYNOS5_DRDPHY_UTMI) {
+ ret = exynos850_usbdrd_phy_exit(phy);
+ if (ret)
+ return ret;
+ }
+
+ exynos5_usbdrd_phy_isol(inst, true);
+
if (inst->phy_cfg->id != EXYNOS5_DRDPHY_UTMI)
return 0;

- ret = exynos850_usbdrd_phy_exit(phy);
- if (ret)
- return ret;
-
- exynos5_usbdrd_phy_isol(inst, true);
return regulator_bulk_disable(phy_drd->drv_data->n_regulators,
phy_drd->regulators);
}

--
2.47.0.338.g60cca15819-goog