[PATCH] phy: qcom: m31-eusb2: clear PLL_EN during init
Vinod Koul
vkoul at kernel.org
Fri Feb 27 07:29:34 PST 2026
On Tue, 17 Feb 2026 12:11:30 -0800, Elson Serrao wrote:
> The driver currently sets bit 0 of USB_PHY_CFG1 (PLL_EN) during PHY
> initialization. According to the M31 EUSB2 PHY hardware documentation,
> this bit is intended only for test/debug scenarios and does not control
> mission mode operation. Keeping PLL_EN asserted causes the PHY to draw
> additional current during USB bus suspend. Clearing this bit results in
> lower suspend power consumption without affecting normal operation.
>
> [...]
Applied, thanks!
[1/1] phy: qcom: m31-eusb2: clear PLL_EN during init
commit: 520a98bdf7ae0130e22d8adced3d69a2e211b41f
Best regards,
--
~Vinod
More information about the linux-phy
mailing list