samsung_sm8750/android_kernel_samsung_sm8750
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

phy: tegra: xusb: Disable periodic tracking on Tegra234

Browse Source 
commit 7be54870e9bf5ed0b4fe2a23b41a630527882de5 upstream.

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: d8163a32ca ("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>
Reviewed-by: Jon Hunter <jonathanh@nvidia.com>
Tested-by: Jon Hunter <jonathanh@nvidia.com>
Link: https://lore.kernel.org/r/20250519090929.3132456-3-waynec@nvidia.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Haotien Hsu
2025-05-19 17:09:29 +08:00
committed by Greg Kroah-Hartman
parent 491175c139
commit ad2437f4ab
1 changed files with 1 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/phy/tegra/xusb-tegra186.c
View File

@@ -1726,7 +1726,7 @@ 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,
};