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Subject[PATCH] phy: qcom-qmp: Introduce Kconfig symbols for discrete drivers
Date
Introduce a config option for each QMP PHY driver now that the QMP PHY
mega-driver has been split up into different modules. This allows kernel
configurators to limit the binary size of the kernel by only compiling
in the QMP PHY driver that they need, or to split the module up into one
per PHY driver instead of one module for all the QMP PHY drivers.

Leave the old config QCOM_QMP in place and make it into a menuconfig so
that 'make olddefconfig' continues to work. Furthermore, set the default
of the new Kconfig symbols to be QCOM_QMP so that the transition is
smooth.

Cc: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Cc: Johan Hovold <johan+linaro@kernel.org>
Signed-off-by: Stephen Boyd <swboyd@chromium.org>
---
drivers/phy/qualcomm/Kconfig | 50 ++++++++++++++++++++++++++++++++---
drivers/phy/qualcomm/Makefile | 12 ++++-----
2 files changed, 52 insertions(+), 10 deletions(-)

diff --git a/drivers/phy/qualcomm/Kconfig b/drivers/phy/qualcomm/Kconfig
index 5c98850f5a36..1d3a8062e651 100644
--- a/drivers/phy/qualcomm/Kconfig
+++ b/drivers/phy/qualcomm/Kconfig
@@ -50,13 +50,55 @@ config PHY_QCOM_PCIE2
Enable this to support the Qualcomm PCIe PHY, used with the Synopsys
based PCIe controller.

-config PHY_QCOM_QMP
- tristate "Qualcomm QMP PHY Driver"
+menuconfig PHY_QCOM_QMP
+ tristate "Qualcomm QMP PHY Drivers"
depends on OF && COMMON_CLK && (ARCH_QCOM || COMPILE_TEST)
+
+if PHY_QCOM_QMP
+
+config PHY_QCOM_QMP_COMBO
+ tristate "Qualcomm QMP Combo PHY Driver"
+ default PHY_QCOM_QMP
+ select GENERIC_PHY
+ help
+ Enable this to support the QMP Combo PHY transceiver that is used
+ with USB3 and DisplayPort controllers on Qualcomm chips.
+
+config PHY_QCOM_QMP_PCIE
+ tristate "Qualcomm QMP PCIe PHY Driver"
+ depends on PCI || COMPILE_TEST
+ select GENERIC_PHY
+ default PHY_QCOM_QMP
+ help
+ Enable this to support the QMP PCIe PHY transceiver that is used
+ with PCIe controllers on Qualcomm chips.
+
+config PHY_QCOM_QMP_PCIE_8996
+ tristate "Qualcomm QMP PCIe 8996 PHY Driver"
+ depends on PCI || COMPILE_TEST
select GENERIC_PHY
+ default PHY_QCOM_QMP
help
- Enable this to support the QMP PHY transceiver that is used
- with controllers such as PCIe, UFS, and USB on Qualcomm chips.
+ Enable this to support the QMP PCIe PHY transceiver that is used
+ with PCIe controllers on Qualcomm msm8996 chips.
+
+config PHY_QCOM_QMP_UFS
+ tristate "Qualcomm QMP UFS PHY Driver"
+ select GENERIC_PHY
+ default PHY_QCOM_QMP
+ help
+ Enable this to support the QMP UFS PHY transceiver that is used
+ with UFS controllers on Qualcomm chips.
+
+config PHY_QCOM_QMP_USB
+ tristate "Qualcomm QMP USB PHY Driver"
+ select GENERIC_PHY
+ default PHY_QCOM_QMP
+ help
+ Enable this to support the QMP USB PHY transceiver that is used
+ with USB3 controllers on Qualcomm chips.
+
+endif # PHY_QCOM_QMP

config PHY_QCOM_QUSB2
tristate "Qualcomm QUSB2 PHY Driver"
diff --git a/drivers/phy/qualcomm/Makefile b/drivers/phy/qualcomm/Makefile
index 65f6c30a3e93..79dd4e507961 100644
--- a/drivers/phy/qualcomm/Makefile
+++ b/drivers/phy/qualcomm/Makefile
@@ -5,12 +5,12 @@ obj-$(CONFIG_PHY_QCOM_EDP) += phy-qcom-edp.o
obj-$(CONFIG_PHY_QCOM_IPQ4019_USB) += phy-qcom-ipq4019-usb.o
obj-$(CONFIG_PHY_QCOM_IPQ806X_SATA) += phy-qcom-ipq806x-sata.o
obj-$(CONFIG_PHY_QCOM_PCIE2) += phy-qcom-pcie2.o
-obj-$(CONFIG_PHY_QCOM_QMP) += \
- phy-qcom-qmp-combo.o \
- phy-qcom-qmp-pcie.o \
- phy-qcom-qmp-pcie-msm8996.o \
- phy-qcom-qmp-ufs.o \
- phy-qcom-qmp-usb.o
+
+obj-$(CONFIG_PHY_QCOM_QMP_COMBO) += phy-qcom-qmp-combo.o
+obj-$(CONFIG_PHY_QCOM_QMP_PCIE) += phy-qcom-qmp-pcie.o
+obj-$(CONFIG_PHY_QCOM_QMP_PCIE_8996) += phy-qcom-qmp-pcie-msm8996.o
+obj-$(CONFIG_PHY_QCOM_QMP_UFS) += phy-qcom-qmp-ufs.o
+obj-$(CONFIG_PHY_QCOM_QMP_USB) += phy-qcom-qmp-usb.o

obj-$(CONFIG_PHY_QCOM_QUSB2) += phy-qcom-qusb2.o
obj-$(CONFIG_PHY_QCOM_USB_HS) += phy-qcom-usb-hs.o
base-commit: 30a0b95b1335e12efef89dd78518ed3e4a71a763
--
https://chromeos.dev

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