diff mbox series

[V2,2/2] phy: tegra: xusb: Disable periodic tracking on Tegra234

Message ID 20250519090929.3132456-3-waynec@nvidia.com
State Handled Elsewhere
Headers show
Series Disable periodic tracking on Tegra234 | expand

Commit Message

Wayne Chang May 19, 2025, 9:09 a.m. UTC 
From: Haotien Hsu <haotienh@nvidia.com>

Periodic calibration updates (~10µs) may overlap with transfers when
PCIe NVMe SSD, LPDDR, and USB2 devices operate simultaneously, causing
crosstalk on Tegra234 devices. Hence disable periodic calibration updates
and make this a one-time calibration.

Fixes: d8163a32ca95 ("phy: tegra: xusb: Add Tegra234 support")
Cc: stable@vger.kernel.org
Signed-off-by: Haotien Hsu <haotienh@nvidia.com>
Signed-off-by: Wayne Chang <waynec@nvidia.com>
---
V1->V2: Rebased the commit
 drivers/phy/tegra/xusb-tegra186.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/drivers/phy/tegra/xusb-tegra186.c b/drivers/phy/tegra/xusb-tegra186.c
index 683692f0ec3c..ba668c77457f 100644
--- a/drivers/phy/tegra/xusb-tegra186.c
+++ b/drivers/phy/tegra/xusb-tegra186.c
@@ -1711,7 +1711,7 @@  const struct tegra_xusb_padctl_soc tegra234_xusb_padctl_soc = {
 	.num_supplies = ARRAY_SIZE(tegra194_xusb_padctl_supply_names),
 	.supports_gen2 = true,
 	.poll_trk_completed = true,
-	.trk_hw_mode = true,
+	.trk_hw_mode = false,
 	.trk_update_on_idle = true,
 	.supports_lp_cfg_en = true,
 };