[PATCH 5.19 425/717] phy: phy-mtk-tphy: fix the phy type setting issue

Greg Kroah-Hartman
2022-10-22T08:16:26Z

From: Chunfeng Yun <chunfeng.yun@mediatek.com>

[ Upstream commit 931c05a8cb1be029ef2fbc1e4af313d4cb297c47 ]

The PHY type is not set if the index is non zero, prepare type
value according to the index, like as mask value.

Fixes: 39099a443358 ("phy: phy-mtk-tphy: support type switch by pericfg")
Signed-off-by: Chunfeng Yun <chunfeng.yun@mediatek.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Link: https://lore.kernel.org/r/20220914060746.10004-7-chunfeng.yun@mediatek.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
drivers/phy/mediatek/phy-mtk-tphy.c | 7 ++++---
1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/drivers/phy/mediatek/phy-mtk-tphy.c b/drivers/phy/mediatek/phy-mtk-tphy.c
index 8ee7682b8e93..bdffc21858f6 100644
--- a/drivers/phy/mediatek/phy-mtk-tphy.c
+++ b/drivers/phy/mediatek/phy-mtk-tphy.c
@@ -906,7 +906,7 @@ static int phy_type_syscon_get(struct mtk_phy_instance *instance,
static int phy_type_set(struct mtk_phy_instance *instance)
{
int type;
- u32 mask;
+ u32 offset;

if (!instance->type_sw)
return 0;
@@ -929,8 +929,9 @@ static int phy_type_set(struct mtk_phy_instance *instance)
return 0;
}

- mask = RG_PHY_SW_TYPE << (instance->type_sw_index * BITS_PER_BYTE);
- regmap_update_bits(instance->type_sw, instance->type_sw_reg, mask, type);
+ offset = instance->type_sw_index * BITS_PER_BYTE;
+ regmap_update_bits(instance->type_sw, instance->type_sw_reg,
+ RG_PHY_SW_TYPE << offset, type << offset);

return 0;
}
--
2.35.1