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Mon, 31 Aug 2026 11:58:59 -0700 From: Wayne Chang To: , , , , , , , , CC: , , , , , Subject: [PATCH V2 5/8] phy: tegra: xusb: Increase timeout for USB2_TRK_COMPLETED polling Date: Tue, 1 Sep 2026 02:58:32 +0800 Message-ID: <20260831185835.3732707-6-waynec@nvidia.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20260831185835.3732707-1-waynec@nvidia.com> References: <20260831185835.3732707-1-waynec@nvidia.com> Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-NVConfidentiality: public Content-Transfer-Encoding: 8bit Content-Type: text/plain X-NV-OnPremToCloud: ExternallySecured X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: SA2PEPF00003AE9:EE_|SA3PR12MB9179:EE_ X-MS-Office365-Filtering-Correlation-Id: f1c4ba78-671e-4ff1-f518-08df0791ff45 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|23010399003|36860700016|82310400026|7416014|376014|1800799024|56012099006|10067099003|11063799006|18002099003|22082099003; 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The existing timeout is therefore not long enough and can cause spurious polling failures during bias pad power-on. Therefore, increase the timeout to 200 cycles to support Tegra264 devices Signed-off-by: Wayne Chang --- V1 -> V2: No change drivers/phy/tegra/xusb-tegra186.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/phy/tegra/xusb-tegra186.c b/drivers/phy/tegra/xusb-tegra186.c index 800be0cbb3f9..9c1bcd4a72ac 100644 --- a/drivers/phy/tegra/xusb-tegra186.c +++ b/drivers/phy/tegra/xusb-tegra186.c @@ -636,7 +636,7 @@ static void tegra186_utmi_bias_pad_power_on(struct tegra_xusb_padctl *padctl) if (padctl->soc->poll_trk_completed) { err = padctl_readl_poll(padctl, XUSB_PADCTL_USB2_BIAS_PAD_CTL1, - USB2_TRK_COMPLETED, USB2_TRK_COMPLETED, 100); + USB2_TRK_COMPLETED, USB2_TRK_COMPLETED, 200); if (err) { /* The failure with polling on trk complete will not * cause the failure of powering on the bias pad. -- 2.25.1