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NVIDIA: SAUCE: phy: tegra: xusb: Fix setting WAKE_WALK_EN

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Set WAKE_WALK_EN correctly, after reviewing the programming sequences.

http://nvbugs/4804339

Signed-off-by: haotienh <haotienh@nvidia.com>
Reviewed-by: Henry Lin <henryl@nvidia.com>
Reviewed-by: EJ Hsu <ejh@nvidia.com>
Reviewed-by: WK Tsai <wtsai@nvidia.com>
Reviewed-by: Wayne Chang <waynec@nvidia.com>
Signed-off-by: Vishwaroop A <va@nvidia.com>
Acked-by: Noah Wager <noah.wager@canonical.com>
Acked-by: Jacob Martin <jacob.martin@canonical.com>
Signed-off-by: Noah Wager <noah.wager@canonical.com>
This commit is contained in:
haotienh
2025-02-06 21:31:19 +00:00
committed by Noah Wager
parent 88218706fb
commit 0302284a2f
1 changed files with 2 additions and 3 deletions
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drivers/phy/tegra/xusb-tegra186.c
+2 -3
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@@ -1,6 +1,6 @@
// SPDX-License-Identifier: GPL-2.0
/*
* SPDX-FileCopyrightText: Copyright (c) 2016-2024, NVIDIA CORPORATION & AFFILIATES. All rights reserved.
* SPDX-FileCopyrightText: Copyright (c) 2016-2025, NVIDIA CORPORATION & AFFILIATES. All rights reserved.
*/
#include <linux/delay.h>
@@ -428,8 +428,7 @@ static int tegra186_utmi_enable_phy_sleepwalk(struct tegra_xusb_lane *lane,
/* enable the trigger of the sleepwalk logic */
value = ao_readl(priv, XUSB_AO_UTMIP_SLEEPWALK_CFG(index));
value |= LINEVAL_WALK_EN;
value &= ~WAKE_WALK_EN;
value |= LINEVAL_WALK_EN | WAKE_WALK_EN;
ao_writel(priv, value, XUSB_AO_UTMIP_SLEEPWALK_CFG(index));
/* reset the walk pointer and clear the alarm of the sleepwalk logic,