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fa9302f162
* Fix wifi drivers on kernel v6.16 These patches can get deleted after merged upstream. * initial commit * fix header * remove ssv6051 driver --------- Co-authored-by: amazingfate <liujianfeng1994@gmail.com>
48 lines
1.5 KiB
Diff
48 lines
1.5 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Andrey Safonov <andrey.safonov@gmail.com>
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Date: Sat, 16 Dec 2023 22:46:35 +0300
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Subject: rk3399 PCIE PHY reset on probe
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Signed-off-by: Andrey Safonov <andrey.safonov@gmail.com>
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---
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drivers/phy/rockchip/phy-rockchip-pcie.c | 16 ++++++++++
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1 file changed, 16 insertions(+)
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diff --git a/drivers/phy/rockchip/phy-rockchip-pcie.c b/drivers/phy/rockchip/phy-rockchip-pcie.c
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index 111111111111..222222222222 100644
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--- a/drivers/phy/rockchip/phy-rockchip-pcie.c
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+++ b/drivers/phy/rockchip/phy-rockchip-pcie.c
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@@ -293,6 +293,20 @@ static const struct of_device_id rockchip_pcie_phy_dt_ids[] = {
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MODULE_DEVICE_TABLE(of, rockchip_pcie_phy_dt_ids);
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+static void rockchip_pcie_phy_reset(struct rockchip_pcie_phy *rk_phy)
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+{
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+ int i;
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+
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+ for (i = 0; i < PHY_MAX_LANE_NUM; i++)
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+ regmap_write(rk_phy->reg_base,
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+ rk_phy->phy_data->pcie_laneoff,
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+ HIWORD_UPDATE(PHY_LANE_IDLE_OFF,
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+ PHY_LANE_IDLE_MASK,
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+ PHY_LANE_IDLE_A_SHIFT + i));
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+
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+ reset_control_assert(rk_phy->phy_rst);
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+}
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+
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static int rockchip_pcie_phy_probe(struct platform_device *pdev)
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{
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struct device *dev = &pdev->dev;
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@@ -337,6 +351,8 @@ static int rockchip_pcie_phy_probe(struct platform_device *pdev)
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phy_num = (phy_num == 0) ? 1 : PHY_MAX_LANE_NUM;
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dev_dbg(dev, "phy number is %d\n", phy_num);
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+ rockchip_pcie_phy_reset(rk_phy);
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+
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for (i = 0; i < phy_num; i++) {
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rk_phy->phys[i].phy = devm_phy_create(dev, dev->of_node, &ops);
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if (IS_ERR(rk_phy->phys[i].phy)) {
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--
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Armbian
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