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mirror-linux/drivers/phy/qualcomm
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Luca Weiss 31bc94de76 phy: qualcomm: phy-qcom-eusb2-repeater: Don't zero-out registers 
Zeroing out registers does not happen in the downstream kernel, and will
"tune" the repeater in surely unexpected ways since most registers don't
have a reset value of 0x0.

Stop doing that and instead just set the registers that are in the init
sequence (though long term I don't think there's actually PMIC-specific
init sequences, there's board specific tuning, but that's a story for
another day).

Fixes: 99a517a582 ("phy: qualcomm: phy-qcom-eusb2-repeater: Zero out untouched tuning regs")
Reviewed-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org>
Signed-off-by: Luca Weiss <luca.weiss@fairphone.com>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>
Reviewed-by: Abel Vesa <abel.vesa@linaro.org>
Link: https://lore.kernel.org/r/20250617-eusb2-repeater-tuning-v2-2-ed6c484f18ee@fairphone.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
 		2025-06-26 16:36:36 -07:00
..
Kconfig phy: qcom: Add M31 based eUSB2 PHY driver 2025-06-15 21:58:52 +05:30
Makefile phy: qcom: Add M31 based eUSB2 PHY driver 2025-06-15 21:58:52 +05:30
phy-ath79-usb.c
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phy-qcom-apq8064-sata.c phy: Switch back to struct platform_driver::remove() 2024-10-17 20:33:03 +05:30
phy-qcom-edp.c phy: qcom: edp: Add support for eDP PHY on SA8775P 2024-10-17 20:16:30 +05:30
phy-qcom-eusb2-repeater.c phy: qualcomm: phy-qcom-eusb2-repeater: Don't zero-out registers 2025-06-26 16:36:36 -07:00
phy-qcom-ipq806x-sata.c phy: Switch back to struct platform_driver::remove() 2024-10-17 20:33:03 +05:30
phy-qcom-ipq806x-usb.c
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phy-qcom-ipq4019-usb.c
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phy-qcom-m31-eusb2.c phy: qcom: add linux/bitfield.h header to fix a build error 2025-06-17 11:00:12 +05:30
phy-qcom-m31.c phy: drop probe registration printks 2025-06-16 22:54:21 +05:30
phy-qcom-pcie2.c
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phy-qcom-qmp-combo.c phy: qcom: qmp-combo: Add new PHY sequences for SM8750 2025-06-15 21:58:52 +05:30
phy-qcom-qmp-common.h phy: qcom: qmp: Add debug prints for register writes 2024-07-31 22:23:07 +05:30
phy-qcom-qmp-dp-com-v3.h
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phy-qcom-qmp-dp-phy-v3.h
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phy-qcom-qmp-dp-phy-v4.h
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phy-qcom-qmp-dp-phy-v5.h
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phy-qcom-qmp-dp-phy-v6.h
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phy-qcom-qmp-dp-phy.h
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phy-qcom-qmp-pcie-msm8996.c phy: qcom: qmp-pcie-msm8996: Simplify with scoped for each OF child loop 2024-08-30 13:26:37 +05:30
phy-qcom-qmp-pcie-qhp.h
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phy-qcom-qmp-pcie.c phy: qcom: qmp-pcie: drop bogus x1e80100 qref supply 2025-05-14 10:10:28 +01:00
phy-qcom-qmp-pcs-misc-v3.h
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phy-qcom-qmp-pcs-misc-v4.h
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phy-qcom-qmp-pcs-pcie-v4.h
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phy-qcom-qmp-pcs-pcie-v4_20.h phy: qualcomm: qmp-pcie: split PCS_LANE1 region 2024-12-08 21:30:08 +05:30
phy-qcom-qmp-pcs-pcie-v5.h phy: qcom-qmp: Add missing register definitions for PCS V5 2024-06-03 19:32:32 +05:30
phy-qcom-qmp-pcs-pcie-v5_20.h phy: qualcomm: qmp-pcie: split PCS_LANE1 region 2024-12-08 21:30:08 +05:30
phy-qcom-qmp-pcs-pcie-v6.h phy: qualcomm: qmp-pcie: define several new registers 2024-12-08 21:30:08 +05:30
phy-qcom-qmp-pcs-pcie-v6_20.h
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phy-qcom-qmp-pcs-pcie-v6_30.h phy: qcom: qmp: Add phy register and clk setting for x1e80100 PCIe3 2024-10-17 18:21:52 +05:30
phy-qcom-qmp-pcs-sgmii.h
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phy-qcom-qmp-pcs-ufs-v2.h
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phy-qcom-qmp-pcs-ufs-v3.h
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phy-qcom-qmp-pcs-ufs-v4.h
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phy-qcom-qmp-pcs-ufs-v5.h
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phy-qcom-qmp-pcs-ufs-v6.h
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phy-qcom-qmp-pcs-usb-v4.h
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phy-qcom-qmp-pcs-usb-v5.h
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phy-qcom-qmp-pcs-usb-v6.h
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phy-qcom-qmp-pcs-usb-v7.h
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phy-qcom-qmp-pcs-usb-v8.h phy: qcom: qmp-combo: Add new PHY sequences for SM8750 2025-06-15 21:58:52 +05:30
phy-qcom-qmp-pcs-v2.h phy: qcom: qmp: Add phy register and clk setting for QCS615 PCIe 2024-12-04 19:11:17 +05:30
phy-qcom-qmp-pcs-v3.h
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phy-qcom-qmp-pcs-v4.h
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phy-qcom-qmp-pcs-v4_20.h
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phy-qcom-qmp-pcs-v5.h
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phy-qcom-qmp-pcs-v5_20.h
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phy-qcom-qmp-pcs-v6-n4.h phy: qcom-qmp: pcs: Add missing v6 N4 register offsets 2024-06-03 19:30:47 +05:30
phy-qcom-qmp-pcs-v6.h phy: qualcomm: qmp-pcie: define several new registers 2024-12-08 21:30:08 +05:30
phy-qcom-qmp-pcs-v6_20.h
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phy-qcom-qmp-pcs-v6_30.h phy: qcom: qmp: Add phy register and clk setting for x1e80100 PCIe3 2024-10-17 18:21:52 +05:30
phy-qcom-qmp-pcs-v7.h
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phy-qcom-qmp-pcs-v8.h phy: qcom: qmp-combo: Add new PHY sequences for SM8750 2025-06-15 21:58:52 +05:30
phy-qcom-qmp-qserdes-com-v3.h
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phy-qcom-qmp-qserdes-com-v4.h
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phy-qcom-qmp-qserdes-com-v5.h
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phy-qcom-qmp-qserdes-com-v6.h phy: qcom-qmp-ufs: Add PHY Configuration support for sm8750 2025-03-11 12:24:46 +01:00
phy-qcom-qmp-qserdes-com-v7.h
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phy-qcom-qmp-qserdes-com-v8.h phy: qcom: qmp-combo: Add new PHY sequences for SM8750 2025-06-15 21:58:52 +05:30
phy-qcom-qmp-qserdes-com.h
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phy-qcom-qmp-qserdes-ln-shrd-v6.h
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phy-qcom-qmp-qserdes-pll.h phy: qcom-qmp: Add missing offsets for Qserdes PLL registers. 2024-06-03 19:32:32 +05:30
phy-qcom-qmp-qserdes-txrx-ufs-v6.h
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phy-qcom-qmp-qserdes-txrx-ufs-v7.h phy: qcom-qmp-ufs: Add PHY Configuration support for sm8750 2025-03-11 12:24:46 +01:00
phy-qcom-qmp-qserdes-txrx-v3.h
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phy-qcom-qmp-qserdes-txrx-v4.h
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phy-qcom-qmp-qserdes-txrx-v4_20.h
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phy-qcom-qmp-qserdes-txrx-v5.h
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phy-qcom-qmp-qserdes-txrx-v5_5nm.h
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phy-qcom-qmp-qserdes-txrx-v5_20.h
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phy-qcom-qmp-qserdes-txrx-v6.h phy: qualcomm: qmp-pcie: define several new registers 2024-12-08 21:30:08 +05:30
phy-qcom-qmp-qserdes-txrx-v6_20.h
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phy-qcom-qmp-qserdes-txrx-v6_n4.h phy: qcom-qmp: qserdes-txrx: Add missing registers offsets 2024-06-03 19:30:47 +05:30
phy-qcom-qmp-qserdes-txrx-v7.h
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phy-qcom-qmp-qserdes-txrx-v8.h phy: qcom: qmp-combo: Add new PHY sequences for SM8750 2025-06-15 21:58:52 +05:30
phy-qcom-qmp-qserdes-txrx.h
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phy-qcom-qmp-ufs.c phy: qcom-qmp-ufs: refactor qmp_ufs_power_off 2025-06-15 19:53:24 +05:30
phy-qcom-qmp-usb-legacy.c phy: qcom: qmp-usb-legacy: fix NULL-deref on runtime suspend 2024-10-17 18:33:46 +05:30
phy-qcom-qmp-usb.c phy: qcom-qmp-usb: Fix an NULL vs IS_ERR() bug 2025-05-14 09:29:44 +01:00
phy-qcom-qmp-usbc.c phy: qcom: qmp-usbc: Add qmp configuration for QCS615 2025-03-11 01:13:30 +05:30
phy-qcom-qmp.h phy: qcom: qmp-combo: Add new PHY sequences for SM8750 2025-06-15 21:58:52 +05:30
phy-qcom-qusb2.c phy: drop probe registration printks 2025-06-16 22:54:21 +05:30
phy-qcom-sgmii-eth.c
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phy-qcom-snps-femto-v2.c
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phy-qcom-uniphy-pcie-28lp.c phy: qualcomm: qcom-uniphy-pcie 28LP add support for IPQ5018 2025-04-11 17:11:47 +05:30
phy-qcom-usb-hs-28nm.c
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phy-qcom-usb-hs.c
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phy-qcom-usb-hsic.c
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phy-qcom-usb-ss.c
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