Dear All, Here are some patches which help tune USB 3.0 phy. changes have been testing on Odroid XU3 / XU4 / HC1. with suspend and resume working with usb hdd device connected. These patches have been build on top on Marek Szyprowski Fix USB3.0 DRD PHY calibration issues. [0] https://patchwork.kernel.org/cover/11049823/ Anand Moon (5): phy: exynos5-usbdrd: read from correct offset of xhci linksystem phy: exynos5-usbdrd: add missing tuning of the phyutmi signal phy: exynos5-usbdrd: UTMI tune signal phy: exynos5-usbdrd: PIPE3 tune signal phy: exynos5-usbdrd: drop duplicate setting PIPE3 tune signal drivers/phy/samsung/phy-exynos5-usbdrd.c | 101 ++++++++++++++++++----- 1 file changed, 82 insertions(+), 19 deletions(-) -- 2.22.0