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linux/drivers/phy
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Elson Serrao 520a98bdf7 phy: qcom: m31-eusb2: clear PLL_EN during init 
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.

Update the driver to leave PLL_EN cleared as recommended by the hardware
documentation.

Fixes: 9c8504861c ("phy: qcom: Add M31 based eUSB2 PHY driver")
Cc: stable@vger.kernel.org
Signed-off-by: Elson Serrao <elson.serrao@oss.qualcomm.com>
Reviewed-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
Link: https://patch.msgid.link/20260217201130.2804550-1-elson.serrao@oss.qualcomm.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
2026-02-27 20:44:25 +05:30
..
allwinner phy: sun4i-usb: replace use of system_wq with system_percpu_wq 2026-01-14 14:54:17 +05:30
amlogic phy: amlogic: phy-meson-axg-pcie: Fix PHY creation order in axg-pcie probe 2025-04-11 17:07:15 +05:30
apple phy: apple: apple: Use local variable for ioremap return value 2026-02-27 20:32:39 +05:30
broadcom phy: broadcom: ns-usb3: Fix Wvoid-pointer-to-enum-cast warning (again) 2026-01-01 16:29:51 +05:30
cadence phy: cadence-torrent: Add PCIe + XAUI multilink configuration for 100MHz refclk 2026-01-14 15:03:09 +05:30
canaan phy: usb: Add driver for Canaan K230 USB 2.0 PHY 2026-02-27 19:56:35 +05:30
eswin phy: eswin: Create eswin directory and add EIC7700 SATA PHY driver 2026-02-27 20:40:30 +05:30
freescale phy-for-7.0 2026-02-17 11:40:04 -08:00
hisilicon phy: hisilicon: Remove redundant ternary operators 2025-09-01 18:13:54 +05:30
ingenic phy: ingenic: use core driver model helper to handle probe errors 2025-08-20 22:25:38 +05:30
intel phy: Switch back to struct platform_driver::remove() 2024-10-17 20:33:03 +05:30
lantiq phy: constify of_phandle_args in xlate 2024-02-23 17:43:14 +05:30
marvell phy: marvell: mmp3-hsic: Avoid re-casting __iomem 2026-02-27 20:03:38 +05:30
mediatek phy: phy-mtk-tphy: Update names and format of kernel-doc comments 2026-02-27 08:05:57 +05:30
microchip phy: sparx5-serdes: make it selectable for ARCH_LAN969X 2025-12-23 22:52:42 +05:30
motorola phy: mapphone-mdm6600: use gpiod_multi_set_value_cansleep 2025-02-17 14:27:34 +01:00
mscc phy: constify of_phandle_args in xlate 2024-02-23 17:43:14 +05:30
nuvoton phy: nuvoton: add new driver for the Nuvoton MA35 SoC USB 2.0 PHY 2024-08-29 23:52:37 +05:30
qualcomm phy: qcom: m31-eusb2: clear PLL_EN during init 2026-02-27 20:44:25 +05:30
ralink phy: constify of_phandle_args in xlate 2024-02-23 17:43:14 +05:30
realtek USB / Thunderbolt (USB4) changes for 6.13-rc1 2024-11-29 11:19:31 -08:00
renesas phy: renesas: rcar-gen3-usb2: add regulator dependency 2026-02-04 20:58:15 +05:30
rockchip phy-for-7.0 2026-02-17 11:40:04 -08:00
samsung phy: exynos5-usbdrd: support SS combo phy for ExynosAutov920 2025-12-23 23:11:05 +05:30
socionext phy: socionext: usb2: Simplify with scoped for each OF child loop 2026-01-14 19:51:14 +05:30
sophgo phy: sophgo: Remove unused of_gpio.h 2025-11-12 20:35:50 +05:30
spacemit phy: move spacemit pcie driver to its subfolder 2026-02-27 08:04:14 +05:30
st phy: stm32-usphyc: Fix off by one in probe() 2025-12-23 21:53:45 +05:30
starfive phy: starfive: jh7110-usb: Fix USB 2.0 host occasional detection failure 2025-05-14 09:45:12 +01:00
sunplus phy: sunplus: return negative error code in sp_usb_phy_probe 2023-11-27 18:39:18 +05:30
tegra Convert 'alloc_obj' family to use the new default GFP_KERNEL argument 2026-02-21 17:09:51 -08:00
ti phy-for-7.0 2026-02-17 11:40:04 -08:00
xilinx phy-zynqmp: Postpone getting clock rate until actually needed 2025-05-14 09:48:01 +01:00
Kconfig phy: eswin: Create eswin directory and add EIC7700 SATA PHY driver 2026-02-27 20:40:30 +05:30
Makefile phy: eswin: Create eswin directory and add EIC7700 SATA PHY driver 2026-02-27 20:40:30 +05:30
phy-airoha-pcie-regs.h phy: airoha: Fix REG_CSR_2L_RX{0,1}_REV0 definitions 2024-10-17 20:52:48 +05:30
phy-airoha-pcie.c phy: airoha: Fix REG_CSR_2L_JCPLL_SDM_HREN config in airoha_pcie_phy_init_ssc_jcpll() 2024-10-17 20:52:48 +05:30
phy-can-transceiver.c phy: phy-can-transceiver: Add support for TJA105{1,7} 2025-11-12 20:11:16 +05:30
phy-common-props-test.c phy: add phy_get_rx_polarity() and phy_get_tx_polarity() 2026-01-14 18:16:05 +05:30
phy-common-props.c phy: add phy_get_rx_polarity() and phy_get_tx_polarity() 2026-01-14 18:16:05 +05:30
phy-core-mipi-dphy.c
phy-core.c Convert 'alloc_obj' family to use the new default GFP_KERNEL argument 2026-02-21 17:09:51 -08:00
phy-google-usb.c phy: Add Google Tensor SoC USB PHY driver 2026-01-14 19:56:36 +05:30
phy-lgm-usb.c phy: Switch back to struct platform_driver::remove() 2024-10-17 20:33:03 +05:30
phy-lpc18xx-usb-otg.c
phy-nxp-ptn3222.c phy: add NXP PTN3222 eUSB2 to USB2 redriver 2024-10-17 20:48:27 +05:30
phy-pistachio-usb.c
phy-snps-eusb2.c phy-for-6.17 2025-08-01 12:31:50 -07:00
phy-xgene.c phy: constify of_phandle_args in xlate 2024-02-23 17:43:14 +05:30