[PATCH v2 4/5] pinctrl: qcom: Allow pinctrl-msm code to be loadable as a module

[John Stultz <john.stultz@xxxxxxxxxx>]

Tweaks to allow pinctrl-msm code to be loadable as a module.
This is needed in order to support having the qcom-scm driver,
which pinctrl-msm calls into, configured as a module.

This requires that we tweak Kconfigs selecting PINCTRL_MSM to
also depend on QCOM_SCM || QCOM_SCM=n so that we match the
module setting of QCOM_SCM.

Cc: Andy Gross <agross@xxxxxxxxxx>
Cc: Bjorn Andersson <bjorn.andersson@xxxxxxxxxx>
Cc: Joerg Roedel <joro@xxxxxxxxxx>
Cc: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
Cc: Jason Cooper <jason@xxxxxxxxxxxxxx>
Cc: Marc Zyngier <maz@xxxxxxxxxx>
Cc: Linus Walleij <linus.walleij@xxxxxxxxxx>
Cc: Maulik Shah <mkshah@xxxxxxxxxxxxxx>
Cc: Lina Iyer <ilina@xxxxxxxxxxxxxx>
Cc: Saravana Kannan <saravanak@xxxxxxxxxx>
Cc: Todd Kjos <tkjos@xxxxxxxxxx>
Cc: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
Cc: linux-arm-msm@xxxxxxxxxxxxxxx
Cc: iommu@xxxxxxxxxxxxxxxxxxxxxxxxxx
Cc: linux-gpio@xxxxxxxxxxxxxxx
Signed-off-by: John Stultz <john.stultz@xxxxxxxxxx>
---
v2:
* Module description and whitespace fixes suggested by Bjorn
* Added QCOM_SCM || QCOM_SCM=n bits on Kconfigs selecting
  PINCTRL_MSM. Reported by both Todd and Bjorn.
---
 drivers/pinctrl/qcom/Kconfig       | 24 +++++++++++++++++++++++-
 drivers/pinctrl/qcom/pinctrl-msm.c |  2 ++
 2 files changed, 25 insertions(+), 1 deletion(-)

diff --git a/drivers/pinctrl/qcom/Kconfig b/drivers/pinctrl/qcom/Kconfig
index ff1ee159dca2..11228ae3d826 100644
--- a/drivers/pinctrl/qcom/Kconfig
+++ b/drivers/pinctrl/qcom/Kconfig
@@ -2,7 +2,7 @@
 if (ARCH_QCOM || COMPILE_TEST)
 
 config PINCTRL_MSM
-	bool
+	tristate
 	select PINMUX
 	select PINCONF
 	select GENERIC_PINCONF
@@ -11,6 +11,7 @@ config PINCTRL_MSM
 config PINCTRL_APQ8064
 	tristate "Qualcomm APQ8064 pin controller driver"
 	depends on GPIOLIB && OF
+	depends on QCOM_SCM || !QCOM_SCM
 	select PINCTRL_MSM
 	help
 	  This is the pinctrl, pinmux, pinconf and gpiolib driver for the
@@ -19,6 +20,7 @@ config PINCTRL_APQ8064
 config PINCTRL_APQ8084
 	tristate "Qualcomm APQ8084 pin controller driver"
 	depends on GPIOLIB && OF
+	depends on QCOM_SCM || !QCOM_SCM
 	select PINCTRL_MSM
 	help
 	  This is the pinctrl, pinmux, pinconf and gpiolib driver for the
@@ -27,6 +29,7 @@ config PINCTRL_APQ8084
 config PINCTRL_IPQ4019
 	tristate "Qualcomm IPQ4019 pin controller driver"
 	depends on GPIOLIB && OF
+	depends on QCOM_SCM || !QCOM_SCM
 	select PINCTRL_MSM
 	help
 	  This is the pinctrl, pinmux, pinconf and gpiolib driver for the
@@ -35,6 +38,7 @@ config PINCTRL_IPQ4019
 config PINCTRL_IPQ8064
 	tristate "Qualcomm IPQ8064 pin controller driver"
 	depends on GPIOLIB && OF
+	depends on QCOM_SCM || !QCOM_SCM
 	select PINCTRL_MSM
 	help
 	  This is the pinctrl, pinmux, pinconf and gpiolib driver for the
@@ -43,6 +47,7 @@ config PINCTRL_IPQ8064
 config PINCTRL_IPQ8074
 	tristate "Qualcomm Technologies, Inc. IPQ8074 pin controller driver"
 	depends on GPIOLIB && OF
+	depends on QCOM_SCM || !QCOM_SCM
 	select PINCTRL_MSM
 	help
 	  This is the pinctrl, pinmux, pinconf and gpiolib driver for
@@ -53,6 +58,7 @@ config PINCTRL_IPQ8074
 config PINCTRL_IPQ6018
 	tristate "Qualcomm Technologies, Inc. IPQ6018 pin controller driver"
 	depends on GPIOLIB && OF
+	depends on QCOM_SCM || !QCOM_SCM
 	select PINCTRL_MSM
 	help
 	  This is the pinctrl, pinmux, pinconf and gpiolib driver for
@@ -63,6 +69,7 @@ config PINCTRL_IPQ6018
 config PINCTRL_MSM8660
 	tristate "Qualcomm 8660 pin controller driver"
 	depends on GPIOLIB && OF
+	depends on QCOM_SCM || !QCOM_SCM
 	select PINCTRL_MSM
 	help
 	  This is the pinctrl, pinmux, pinconf and gpiolib driver for the
@@ -71,6 +78,7 @@ config PINCTRL_MSM8660
 config PINCTRL_MSM8960
 	tristate "Qualcomm 8960 pin controller driver"
 	depends on GPIOLIB && OF
+	depends on QCOM_SCM || !QCOM_SCM
 	select PINCTRL_MSM
 	help
 	  This is the pinctrl, pinmux, pinconf and gpiolib driver for the
@@ -79,6 +87,7 @@ config PINCTRL_MSM8960
 config PINCTRL_MDM9615
 	tristate "Qualcomm 9615 pin controller driver"
 	depends on GPIOLIB && OF
+	depends on QCOM_SCM || !QCOM_SCM
 	select PINCTRL_MSM
 	help
 	  This is the pinctrl, pinmux, pinconf and gpiolib driver for the
@@ -87,6 +96,7 @@ config PINCTRL_MDM9615
 config PINCTRL_MSM8X74
 	tristate "Qualcomm 8x74 pin controller driver"
 	depends on GPIOLIB && OF
+	depends on QCOM_SCM || !QCOM_SCM
 	select PINCTRL_MSM
 	help
 	  This is the pinctrl, pinmux, pinconf and gpiolib driver for the
@@ -95,6 +105,7 @@ config PINCTRL_MSM8X74
 config PINCTRL_MSM8916
 	tristate "Qualcomm 8916 pin controller driver"
 	depends on GPIOLIB && OF
+	depends on QCOM_SCM || !QCOM_SCM
 	select PINCTRL_MSM
 	help
 	  This is the pinctrl, pinmux, pinconf and gpiolib driver for the
@@ -103,6 +114,7 @@ config PINCTRL_MSM8916
 config PINCTRL_MSM8976
 	tristate "Qualcomm 8976 pin controller driver"
 	depends on GPIOLIB && OF
+	depends on QCOM_SCM || !QCOM_SCM
 	select PINCTRL_MSM
 	help
 	  This is the pinctrl, pinmux, pinconf and gpiolib driver for the
@@ -113,6 +125,7 @@ config PINCTRL_MSM8976
 config PINCTRL_MSM8994
 	tristate "Qualcomm 8994 pin controller driver"
 	depends on GPIOLIB && OF
+	depends on QCOM_SCM || !QCOM_SCM
 	select PINCTRL_MSM
 	help
 	  This is the pinctrl, pinmux, pinconf and gpiolib driver for the
@@ -122,6 +135,7 @@ config PINCTRL_MSM8994
 config PINCTRL_MSM8996
 	tristate "Qualcomm MSM8996 pin controller driver"
 	depends on GPIOLIB && OF
+	depends on QCOM_SCM || !QCOM_SCM
 	select PINCTRL_MSM
 	help
 	  This is the pinctrl, pinmux, pinconf and gpiolib driver for the
@@ -130,6 +144,7 @@ config PINCTRL_MSM8996
 config PINCTRL_MSM8998
 	tristate "Qualcomm MSM8998 pin controller driver"
 	depends on GPIOLIB && OF
+	depends on QCOM_SCM || !QCOM_SCM
 	select PINCTRL_MSM
 	help
 	  This is the pinctrl, pinmux, pinconf and gpiolib driver for the
@@ -138,6 +153,7 @@ config PINCTRL_MSM8998
 config PINCTRL_QCS404
 	tristate "Qualcomm QCS404 pin controller driver"
 	depends on GPIOLIB && OF
+	depends on QCOM_SCM || !QCOM_SCM
 	select PINCTRL_MSM
 	help
 	  This is the pinctrl, pinmux, pinconf and gpiolib driver for the
@@ -146,6 +162,7 @@ config PINCTRL_QCS404
 config PINCTRL_QDF2XXX
 	tristate "Qualcomm Technologies QDF2xxx pin controller driver"
 	depends on GPIOLIB && ACPI
+	depends on QCOM_SCM || !QCOM_SCM
 	select PINCTRL_MSM
 	help
 	  This is the GPIO driver for the TLMM block found on the
@@ -183,6 +200,7 @@ config PINCTRL_QCOM_SSBI_PMIC
 config PINCTRL_SC7180
 	tristate "Qualcomm Technologies Inc SC7180 pin controller driver"
 	depends on GPIOLIB && OF
+	depends on QCOM_SCM || !QCOM_SCM
 	select PINCTRL_MSM
 	help
 	  This is the pinctrl, pinmux, pinconf and gpiolib driver for the
@@ -192,6 +210,7 @@ config PINCTRL_SC7180
 config PINCTRL_SDM660
 	tristate "Qualcomm Technologies Inc SDM660 pin controller driver"
 	depends on GPIOLIB && OF
+	depends on QCOM_SCM || !QCOM_SCM
 	select PINCTRL_MSM
 	help
 	 This is the pinctrl, pinmux, pinconf and gpiolib driver for the
@@ -201,6 +220,7 @@ config PINCTRL_SDM660
 config PINCTRL_SDM845
 	tristate "Qualcomm Technologies Inc SDM845 pin controller driver"
 	depends on GPIOLIB && (OF || ACPI)
+	depends on QCOM_SCM || !QCOM_SCM
 	select PINCTRL_MSM
 	help
 	 This is the pinctrl, pinmux, pinconf and gpiolib driver for the
@@ -210,6 +230,7 @@ config PINCTRL_SDM845
 config PINCTRL_SM8150
 	tristate "Qualcomm Technologies Inc SM8150 pin controller driver"
 	depends on GPIOLIB && OF
+	depends on QCOM_SCM || !QCOM_SCM
 	select PINCTRL_MSM
 	help
 	 This is the pinctrl, pinmux, pinconf and gpiolib driver for the
@@ -219,6 +240,7 @@ config PINCTRL_SM8150
 config PINCTRL_SM8250
 	tristate "Qualcomm Technologies Inc SM8250 pin controller driver"
 	depends on GPIOLIB && OF
+	depends on QCOM_SCM || !QCOM_SCM
 	select PINCTRL_MSM
 	help
 	  This is the pinctrl, pinmux, pinconf and gpiolib driver for the
diff --git a/drivers/pinctrl/qcom/pinctrl-msm.c b/drivers/pinctrl/qcom/pinctrl-msm.c
index 83b7d64bc4c1..e8e3ba8207af 100644
--- a/drivers/pinctrl/qcom/pinctrl-msm.c
+++ b/drivers/pinctrl/qcom/pinctrl-msm.c
@@ -1355,3 +1355,5 @@ int msm_pinctrl_remove(struct platform_device *pdev)
 }
 EXPORT_SYMBOL(msm_pinctrl_remove);
 
+MODULE_DESCRIPTION("Qualcomm Technologies, Inc. TLMM driver");
+MODULE_LICENSE("GPL v2");
-- 
2.17.1