Make sure to disable the pipe clock also if ufs-reset deassertion fails
during power on.
Note that the ufs-reset is asserted in qcom_qmp_phy_com_exit().
Fixes: c9b589791f ("phy: qcom: Utilize UFS reset controller")
Cc: Evan Green <evgreen@chromium.org>
Signed-off-by: Johan Hovold <johan+linaro@kernel.org>
Link: https://lore.kernel.org/r/20220502133130.4125-2-johan+linaro@kernel.org
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Switch to consistently using the explicit reset-controller API which
makes it clear that the reset controllers are used exclusively by the
PHY driver.
Note that the deprecated of_reset_control_get() and
devm_reset_control_get() are just transitional wrappers for the explicit
API so there's no functional change.
Suggested-by: Philipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: Johan Hovold <johan+linaro@kernel.org>
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Link: https://lore.kernel.org/r/20220427063243.32576-4-johan+linaro@kernel.org
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Make sure to release the lane reset controller in case of a late probe
error (e.g. probe deferral).
Note that due to the reset controller being defined in devicetree in
"lane" child nodes, devm_reset_control_get_exclusive() cannot be used
directly.
Fixes: e78f3d15e1 ("phy: qcom-qmp: new qmp phy driver for qcom-chipsets")
Cc: stable@vger.kernel.org # 4.12
Cc: Vivek Gautam <vivek.gautam@codeaurora.org>
Reviewed-by: Philipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: Johan Hovold <johan+linaro@kernel.org>
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Link: https://lore.kernel.org/r/20220427063243.32576-3-johan+linaro@kernel.org
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Make sure to release the pipe clock reference in case of a late probe
error (e.g. probe deferral).
Fixes: e78f3d15e1 ("phy: qcom-qmp: new qmp phy driver for qcom-chipsets")
Cc: stable@vger.kernel.org # 4.12
Cc: Vivek Gautam <vivek.gautam@codeaurora.org>
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Johan Hovold <johan+linaro@kernel.org>
Link: https://lore.kernel.org/r/20220427063243.32576-2-johan+linaro@kernel.org
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Add support for USB3 QMP PHY found in SDX65 platform. SDX65 uses
version 5.0.0 of the QMP PHY IP.
Signed-off-by: Rohit Agarwal <quic_rohiagar@quicinc.com>
Acked-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Link: https://lore.kernel.org/r/1649740652-17515-3-git-send-email-quic_rohiagar@quicinc.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
The Qualcomm sc8280xp platform comes with a 5nm femto USB PHY which, in
contrast to previously seen platforms, has the SIDDQ bit in the COMMON0
register default to high.
So make the driver match on the 5nm compatible and make sure to clear
the SIDDQ bit on phy_init.
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Link: https://lore.kernel.org/r/20220225034049.2294207-2-bjorn.andersson@linaro.org
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Some legacy eDP sinks may not support SSC. The support for SSC is
indicated through an opts flag from the controller driver. This
change will enable SSC only if the sink supports it.
Signed-off-by: Sankeerth Billakanti <quic_sbillaka@quicinc.com>
Reviewed-by: Stephen Boyd <swboyd@chromium.org>
Signed-off-by: Douglas Anderson <dianders@chromium.org>
Link: https://lore.kernel.org/r/20220207161612.REPOST.v1.3.Ie81d594ec2327dae6410db359cc492484bab171f@changeid
Signed-off-by: Vinod Koul <vkoul@kernel.org>
The sc7280 platform supports native eDP controller and PHY.
This change will add support for the eDP PHY on sc7280.
Signed-off-by: Sankeerth Billakanti <quic_sbillaka@quicinc.com>
Reviewed-by: Stephen Boyd <swboyd@chromium.org>
Signed-off-by: Douglas Anderson <dianders@chromium.org>
Link: https://lore.kernel.org/r/20220207161612.REPOST.v1.2.Iff75c0ea8499f0baf2aa5800f2c45c4128e2415a@changeid
Signed-off-by: Vinod Koul <vkoul@kernel.org>
- New support:
- Qualcomm eDP PHY driver
- Qualcomm SM8450 UFS, USB2, USB3, PCIe0 and PCIe1 phy support
- Lan966x ethernet serdes PHY driver
- Support for uniphier NXI & Pro4 SoC
- Qualcomm SM6350 USB2 support
- Amlogic Meson8 HDMI TX PHY driver
- Rockchip rk3568 usb2 support
- Intel Thunder Bay eMMC PHY driver
- Freescale IMX8 PCIe phy driver
- Updates:
- Cadence Sierra driver updates for multilink configurations
- Bcm usb2 updates for Phy reg space
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Merge tag 'phy-for-5.17' of git://git.kernel.org/pub/scm/linux/kernel/git/phy/linux-phy into char-misc-next
Vinod writes:
phy-for-5.17
- New support:
- Qualcomm eDP PHY driver
- Qualcomm SM8450 UFS, USB2, USB3, PCIe0 and PCIe1 phy support
- Lan966x ethernet serdes PHY driver
- Support for uniphier NXI & Pro4 SoC
- Qualcomm SM6350 USB2 support
- Amlogic Meson8 HDMI TX PHY driver
- Rockchip rk3568 usb2 support
- Intel Thunder Bay eMMC PHY driver
- Freescale IMX8 PCIe phy driver
- Updates:
- Cadence Sierra driver updates for multilink configurations
- Bcm usb2 updates for Phy reg space
* tag 'phy-for-5.17' of git://git.kernel.org/pub/scm/linux/kernel/git/phy/linux-phy: (72 commits)
phy: cadence: Sierra: Add support for derived reference clock output
dt-bindings: phy: cadence-sierra: Add clock ID for derived reference clock
phy: cadence: Sierra: Add PCIe + QSGMII PHY multilink configuration
phy: cadence: Sierra: Add support for PHY multilink configurations
phy: cadence: Sierra: Fix to get correct parent for mux clocks
phy: cadence: Sierra: Update single link PCIe register configuration
phy: cadence: Sierra: Check PIPE mode PHY status to be ready for operation
phy: cadence: Sierra: Check cmn_ready assertion during PHY power on
phy: cadence: Sierra: Add PHY PCS common register configurations
phy: cadence: Sierra: Rename some regmap variables to be in sync with Sierra documentation
phy: cadence: Sierra: Add support to get SSC type from device tree
dt-bindings: phy: cadence-sierra: Add binding to specify SSC mode
dt-bindings: phy: cadence-torrent: Rename SSC macros to use generic names
phy: cadence: Sierra: Prepare driver to add support for multilink configurations
phy: cadence: Sierra: Use of_device_get_match_data() to get driver data
phy: mediatek: Fix missing check in mtk_mipi_tx_probe
phy: uniphier-usb3ss: fix unintended writing zeros to PHY register
phy: phy-mtk-tphy: use new io helpers to access register
phy: phy-mtk-xsphy: use new io helpers to access register
phy: mediatek: add helpers to update bits of registers
...
There are two different PCIe PHYs on SM8450, one having one lane (v5)
and another with two lanes (v5.20). This commit adds support for the
second PCIe phy.
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Link: https://lore.kernel.org/r/20211218141754.503661-3-dmitry.baryshkov@linaro.org
Signed-off-by: Vinod Koul <vkoul@kernel.org>
There are two different PCIe PHYs on SM8450, one having one lane (v5)
and another with two lanes (v5.20). This commit adds support for the
first PCIe phy only, support for the second PCIe PHY is coming in next
commits.
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Link: https://lore.kernel.org/r/20211214225846.2043361-4-dmitry.baryshkov@linaro.org
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Add support for the USB DP & UNI PHYs found on SM8450. This is same as
the phy version used on SM8350 and sequences turned out to be same, so
use the same table from SM8350 for this as well.
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Link: https://lore.kernel.org/r/20211213131450.535775-3-vkoul@kernel.org
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Use struct_size() to get the accurate size of `clk_hw_onecell_data`
with a variable size array, instead of sizeof(data) to get the size
of a pointer.
Suggested-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Guo Zhengkui <guozhengkui@vivo.com>
Fixes: f199223cb4 ("phy: qcom: Introduce new eDP PHY driver")
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Link: https://lore.kernel.org/r/20211209032114.9416-1-guozhengkui@vivo.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
SM8450 UFS seems to use same sequence as SM8350, so reuse the sequence
from SM8450. Add the new clock list for this phy and the new compatible
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Co-developed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Acked-by: Martin K. Petersen <martin.petersen@oracle.com>
Link: https://lore.kernel.org/r/20211201074456.3969849-4-vkoul@kernel.org
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Many recent Qualcomm platforms comes with native DP and eDP support.
This consists of a controller in the MDSS and a QMP-like PHY.
While similar to the well known QMP block, the eDP PHY only has TX lanes
and the programming sequences are slightly different. Rather than
continuing the trend of parameterize the QMP driver to pieces, this
introduces the support as a new driver.
The registration of link and pixel clocks are borrowed from the QMP
driver. The non-DP link frequencies are omitted for now.
The eDP PHY is very similar to the dedicated (non-USB) DP PHY, but only
the prior is supported for now.
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Reviewed-by: Stephen Boyd <swboyd@chromium.org>
Link: https://lore.kernel.org/r/20211103234410.1352424-2-bjorn.andersson@linaro.org
Signed-off-by: Vinod Koul <vkoul@kernel.org>
The functions are documented but there were style issues, so fix
the style and add missing description for phy_dwc3
drivers/phy/qualcomm/phy-qcom-ipq806x-usb.c:130:
drivers/phy/qualcomm/phy-qcom-ipq806x-usb.c:174:
drivers/phy/qualcomm/phy-qcom-ipq806x-usb.c:212: warning:
This comment starts with '/**', but isn't a kernel-doc comment.
Refer Documentation/doc-guide/kernel-doc.rst
Reviewed-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Link: https://lore.kernel.org/r/20211120061531.410771-1-vkoul@kernel.org
Signed-off-by: Vinod Koul <vkoul@kernel.org>
The comment is not kernel-doc one and starts with /**, so fix that.
drivers/phy/qualcomm/phy-qcom-usb-hsic.c:3: warning:
This comment starts with '/**', but isn't a kernel-doc comment.
Refer Documentation/doc-guide/kernel-doc.rst
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Link: https://lore.kernel.org/r/20211116103951.34482-4-vkoul@kernel.org
Signed-off-by: Vinod Koul <vkoul@kernel.org>
dp-* members were added to qmp_phy_combo_cfg but documentation was
missed, so add that.
drivers/phy/qualcomm/phy-qcom-qmp.c:2995: warning: Function parameter or member 'dp_aux_cfg' not described in 'qmp_phy'
drivers/phy/qualcomm/phy-qcom-qmp.c:2995: warning: Function parameter or member 'dp_opts' not described in 'qmp_phy'
drivers/phy/qualcomm/phy-qcom-qmp.c:2995: warning: Function parameter or member 'dp_clks' not described in 'qmp_phy'
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Link: https://lore.kernel.org/r/20211116103951.34482-3-vkoul@kernel.org
Signed-off-by: Vinod Koul <vkoul@kernel.org>
The FSEL_MASK which selects the refclock is defined incorrectly.
It should be [4:6] not [5:7]. Due to this incorrect definition, the BIT(7)
in USB2_PHY_USB_PHY_HS_PHY_CTRL_COMMON0 is reset which keeps PHY analog
blocks ON during suspend.
Fix this issue by correctly defining the FSEL_MASK.
Fixes: 51e8114f80 ("phy: qcom-snps: Add SNPS USB PHY driver for QCOM based SOCs")
Signed-off-by: Sandeep Maheswaram <quic_c_sanm@quicinc.com>
Link: https://lore.kernel.org/r/1635135575-5668-1-git-send-email-quic_c_sanm@quicinc.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Commit f839f14e24 ("phy: qcom-qmp: Add sc8180x PCIe support") added
SC8180X PCIe tables, but used sm8250_qmp_pcie_serdes_tbl as a serdes
table because of the copy paste error. Commit bfccd9a71a ("phy:
qcom-qmp: Fix sc8180x PCIe definition") corrected part of this mistake
by pointing serdes_tbl to sc8180x_qmp_pcie_serdes_tbl, however the
serdes_tbl_num field was not updated to use sc8180x table. So let's now
fix the serdes_tbl_num field too.
Fixes: bfccd9a71a ("phy: qcom-qmp: Fix sc8180x PCIe definition")
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Link: https://lore.kernel.org/r/20211020155604.1374530-1-dmitry.baryshkov@linaro.org
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Per downstream kernel, beside vdda-pll and vdda-phy-dpdm, vdd is also a
required supply for QUSB2 PHY digital circuit operation. The driver
works right now likely because firmware already sets it up. Add it for
correctness and completeness.
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
Link: https://lore.kernel.org/r/20210928022002.26286-3-shawn.guo@linaro.org
Signed-off-by: Vinod Koul <vkoul@kernel.org>
The helper function devm_add_action_or_reset() will internally
call devm_add_action(), and gif devm_add_action() fails then it will
execute the action mentioned and return the error code. So
use devm_add_action_or_reset() instead of devm_add_action()
to simplify the error handling, reduce the code.
Signed-off-by: Cai Huoqing <caihuoqing@baidu.com>
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Link: https://lore.kernel.org/r/20210922130017.692-1-caihuoqing@baidu.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Add the tables and constants for init sequences for UFS QMP phy found in
SM4250/6115 SoC. The phy is a variation of the v2 phy, but is mistakenly
labeled as v3-660 in downstream sources.
QSERDES COM, RX, TX registers match fully existing v2 registers, with
a few additions. PCS registers don't have much in common, but there are
no clashes with existing ones so new registers were added to existing v2
PCS pack.
Signed-off-by: Iskren Chernev <iskren.chernev@gmail.com>
Link: https://lore.kernel.org/r/20210821155657.893165-3-iskren.chernev@gmail.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
The USB/DP combo PHY exposes the "qmp_dp_phy_pll_link_clk" and
"qmp_dp_phy_pll_vco_div_clk" clocks, that are consumed by the display
clock controller. But for boards with multiple enabled QMP USB/DP combo
instances the hard coded names collides - and hence only the first
probed device is allowed to register.
Given that clocks are no longer reference globally by name and it's
possible to replace the hard coded names by something unique, but still
user friendly.
The two new clock names are based on dev_name() and results in names
such as "88ee000.phy::link_clk" and "88ee000.phy::vco_div_clk".
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Reviewed-by: Stephen Boyd <swboyd@chromium.org>
Link: https://lore.kernel.org/r/20210722030738.3385821-1-bjorn.andersson@linaro.org
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Fix errant use of "/**" to begin a comment although the comment
is not kernel-doc notation. Just use "/*" instead.
Fixes this kernel-doc warning:
drivers/phy/qualcomm/phy-qcom-usb-hs.c:3: warning: This comment starts with '/**', but isn't a kernel-doc comment. Refer Documentation/doc-guide/kernel-doc.rst
* Copyright (C) 2016 Linaro Ltd
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Reported-by: kernel test robot <lkp@intel.com>
Cc: Andy Gross <agross@kernel.org>
Cc: Bjorn Andersson <bjorn.andersson@linaro.org>
Cc: linux-arm-msm@vger.kernel.org
Cc: Kishon Vijay Abraham I <kishon@ti.com>
Cc: Vinod Koul <vkoul@kernel.org>
Cc: linux-phy@lists.infradead.org
Link: https://lore.kernel.org/r/20210723022548.25695-1-rdunlap@infradead.org
Signed-off-by: Vinod Koul <vkoul@kernel.org>
A copy paste error was snuck into the patch going upstream that made the
SC8180x PCIe PHY use the SM8250 serdes table, but while this works
there's some differences in the tables (and the SC8180x was left
dangling). So correct the SC8180x definition to use the SC8180x serdes
table.
Fixes: f839f14e24 ("phy: qcom-qmp: Add sc8180x PCIe support")
Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Link: https://lore.kernel.org/r/20210721163029.2813497-1-bjorn.andersson@linaro.org
Signed-off-by: Vinod Koul <vkoul@kernel.org>
The Qualcomm SC8180x platform has 4 PCIe controllers and PHYs, typically
used to connect things such as a modem or NVME storage device. Add the
programming sequence to get the PHYs up and running.
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Link: https://lore.kernel.org/r/20210629004509.1788286-2-bjorn.andersson@linaro.org
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Here is the big set of USB and Thunderbolt patches for 5.14-rc1.
Nothing major here just lots of little changes for new hardware and
features. Highlights are:
- more USB 4 support added to the thunderbolt core
- build warning fixes all over the place
- usb-serial driver updates and new device support
- mtu3 driver updates
- gadget driver updates
- dwc3 driver updates
- dwc2 driver updates
- isp1760 host driver updates
- musb driver updates
- lots of other tiny things.
Full details are in the shortlog.
All of these have been in linux-next for a while now with no reported
issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'usb-5.14-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Pull USB / Thunderbolt updates from Greg KH:
"Here is the big set of USB and Thunderbolt patches for 5.14-rc1.
Nothing major here just lots of little changes for new hardware and
features. Highlights are:
- more USB 4 support added to the thunderbolt core
- build warning fixes all over the place
- usb-serial driver updates and new device support
- mtu3 driver updates
- gadget driver updates
- dwc3 driver updates
- dwc2 driver updates
- isp1760 host driver updates
- musb driver updates
- lots of other tiny things.
Full details are in the shortlog.
All of these have been in linux-next for a while now with no reported
issues"
* tag 'usb-5.14-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (223 commits)
phy: qcom-qusb2: Add configuration for SM4250 and SM6115
dt-bindings: phy: qcom,qusb2: document sm4250/6115 compatible
dt-bindings: usb: qcom,dwc3: Add bindings for sm6115/4250
USB: cdc-acm: blacklist Heimann USB Appset device
usb: xhci-mtk: allow multiple Start-Split in a microframe
usb: ftdi-elan: remove redundant continue statement in a while-loop
usb: class: cdc-wdm: return the correct errno code
xhci: remove redundant continue statement
usb: dwc3: Fix debugfs creation flow
usb: gadget: hid: fix error return code in hid_bind()
usb: gadget: eem: fix echo command packet response issue
usb: gadget: f_hid: fix endianness issue with descriptors
Revert "USB: misc: Add onboard_usb_hub driver"
Revert "of/platform: Add stubs for of_platform_device_create/destroy()"
Revert "usb: host: xhci-plat: Create platform device for onboard hubs in probe()"
Revert "arm64: dts: qcom: sc7180-trogdor: Add nodes for onboard USB hub"
xhci: solve a double free problem while doing s4
xhci: handle failed buffer copy to URB sg list and fix a W=1 copiler warning
xhci: Add adaptive interrupt rate for isoch TRBs with XHCI_AVOID_BEI quirk
xhci: Remove unused defines for ERST_SIZE and ERST_ENTRIES
...
The SM4250 and SM6115 uses the same register layout as MSM8996, but the
tune sequence is a bit different.
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Iskren Chernev <iskren.chernev@gmail.com>
Link: https://lore.kernel.org/r/20210622203240.559979-4-iskren.chernev@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
The PCIe PHY version used in SDX55 is v4.20 which has different register
offsets compared to the v4.0x PHYs. So separate register defines are
used for init sequence and PHY status.
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Link: https://lore.kernel.org/r/20210427065400.18958-4-manivannan.sadhasivam@linaro.org
Signed-off-by: Vinod Koul <vkoul@kernel.org>
In preparation of the support for v4.20 PCIe PHY in SDX55, use a
separate "phy_status" field for the status bit offset. This is needed
because, the v4.20 PHY uses a different offset for the PHY Status.
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Link: https://lore.kernel.org/r/20210427065400.18958-3-manivannan.sadhasivam@linaro.org
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Add hbr3_hbr2 voltage and premphasis swing table to support
HBR3 link rate.
Signed-off-by: Kuogee Hsieh <khsieh@codeaurora.org>
Reviewed-by: Stephen Boyd <swboyd@chromium.org>
Link: https://lore.kernel.org/r/1615914761-12300-1-git-send-email-khsieh@codeaurora.org
Fixes: 52e013d0bf ("phy: qcom-qmp: Add support for DP in USB3+DP combo phy")
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Johan Hovold
Rohit Agarwal
Luca Weiss
Bjorn Andersson
Sankeerth Billakanti
Luca Weiss
Ansuel Smith
Greg Kroah-Hartman
Dmitry Baryshkov
Vinod Koul
Guo Zhengkui
Sandeep Maheswaram
Vladimir Zapolskiy
Shawn Guo
Cai Huoqing
Iskren Chernev
Baruch Siach
Randy Dunlap
Linus Torvalds
Chunfeng Yun
Manivannan Sadhasivam
Selvam Sathappan Periakaruppan
Kuogee Hsieh
Zhang Yunkai