6.6-stable review patch. If anyone has any objections, please let me know.
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From: Chukun Pan amadeus@jmu.edu.cn
[ Upstream commit 3126ea9be66b53e607f87f067641ba724be24181 ]
The device tree of RK3568 did not specify reset-names before. So add fallback to old behaviour to be compatible with old DT.
Fixes: fbcbffbac994 ("phy: rockchip: naneng-combphy: fix phy reset") Cc: Jianfeng Liu liujianfeng1994@gmail.com Signed-off-by: Chukun Pan amadeus@jmu.edu.cn Reviewed-by: Jonas Karlman jonas@kwiboo.se Link: https://lore.kernel.org/r/20250106100001.1344418-2-amadeus@jmu.edu.cn Signed-off-by: Vinod Koul vkoul@kernel.org Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/phy/rockchip/phy-rockchip-naneng-combphy.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/drivers/phy/rockchip/phy-rockchip-naneng-combphy.c b/drivers/phy/rockchip/phy-rockchip-naneng-combphy.c index 9c231094ba359..2354ce8b21594 100644 --- a/drivers/phy/rockchip/phy-rockchip-naneng-combphy.c +++ b/drivers/phy/rockchip/phy-rockchip-naneng-combphy.c @@ -309,7 +309,10 @@ static int rockchip_combphy_parse_dt(struct device *dev, struct rockchip_combphy
priv->ext_refclk = device_property_present(dev, "rockchip,ext-refclk");
- priv->phy_rst = devm_reset_control_get(dev, "phy"); + priv->phy_rst = devm_reset_control_get_exclusive(dev, "phy"); + /* fallback to old behaviour */ + if (PTR_ERR(priv->phy_rst) == -ENOENT) + priv->phy_rst = devm_reset_control_array_get_exclusive(dev); if (IS_ERR(priv->phy_rst)) return dev_err_probe(dev, PTR_ERR(priv->phy_rst), "failed to get phy reset\n");