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SFS:(13230022)(4636009)(396003)(376002)(39860400002)(346002)(136003)(451199015)(40470700004)(36840700001)(46966006)(426003)(2616005)(26005)(4326008)(47076005)(40460700003)(8676002)(70586007)(70206006)(2906002)(6666004)(8936002)(36756003)(86362001)(5660300002)(41300700001)(316002)(7416002)(336012)(356005)(1076003)(186003)(7696005)(478600001)(7636003)(40480700001)(82310400005)(921005)(82740400003)(6636002)(54906003)(83380400001)(110136005)(36860700001); DIR:OUT; SFP:1101; X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 11 Nov 2022 10:16:34.5989 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 33f6c85a-10b9-469f-6a59-08dac3cdcfc0 X-MS-Exchange-CrossTenant-Id: 43083d15-7273-40c1-b7db-39efd9ccc17a X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=43083d15-7273-40c1-b7db-39efd9ccc17a; Ip=[216.228.117.161]; Helo=[mail.nvidia.com] X-MS-Exchange-CrossTenant-AuthSource: CY4PEPF0000B8EE.namprd05.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: DM6PR12MB4561 Precedence: bulk List-ID: X-Mailing-List: linux-i2c@vger.kernel.org Pad tracking is a one-time calibration for Tegra186 and Tegra194. Clk should be disabled after calibration. Disable clk after calibration. While at it add 100us delay for HW recording the calibration value. Signed-off-by: Wayne Chang --- V1 -> V2: update the commit message. drivers/phy/tegra/xusb-tegra186.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/drivers/phy/tegra/xusb-tegra186.c b/drivers/phy/tegra/xusb-tegra186.c index 0996ede63387..f121b4ffbbfd 100644 --- a/drivers/phy/tegra/xusb-tegra186.c +++ b/drivers/phy/tegra/xusb-tegra186.c @@ -609,6 +609,10 @@ static void tegra186_utmi_bias_pad_power_on(struct tegra_xusb_padctl *padctl) value &= ~USB2_PD_TRK; padctl_writel(padctl, value, XUSB_PADCTL_USB2_BIAS_PAD_CTL1); + udelay(100); + + clk_disable_unprepare(priv->usb2_trk_clk); + mutex_unlock(&padctl->lock); } @@ -633,8 +637,6 @@ static void tegra186_utmi_bias_pad_power_off(struct tegra_xusb_padctl *padctl) value |= USB2_PD_TRK; padctl_writel(padctl, value, XUSB_PADCTL_USB2_BIAS_PAD_CTL1); - clk_disable_unprepare(priv->usb2_trk_clk); - mutex_unlock(&padctl->lock); }