]> git.ipfire.org Git - thirdparty/kernel/stable.git/commit
phy: tegra: xusb: Disable periodic tracking on Tegra234
authorHaotien Hsu <haotienh@nvidia.com>
Mon, 19 May 2025 09:09:29 +0000 (17:09 +0800)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Thu, 24 Jul 2025 06:53:10 +0000 (08:53 +0200)
commitad2437f4abcae4410771bb6625981365e001a871
tree4ee022bb376930acf7f76f9300ed3f7a00bdfa6c
parent491175c139e50a7bcdf711e9d354868796388228
phy: tegra: xusb: Disable periodic tracking on Tegra234

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: 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>
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>
drivers/phy/tegra/xusb-tegra186.c