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 --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, };