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Message-Id: <20201030061242.92510-1-john.stultz@linaro.org>
Date: Fri, 30 Oct 2020 06:12:41 +0000
From: John Stultz <john.stultz@...aro.org>
To: lkml <linux-kernel@...r.kernel.org>
Cc: John Stultz <john.stultz@...aro.org>,
Andy Gross <agross@...nel.org>,
Bjorn Andersson <bjorn.andersson@...aro.org>,
Joerg Roedel <joro@...tes.org>,
Thomas Gleixner <tglx@...utronix.de>,
Jason Cooper <jason@...edaemon.net>,
Marc Zyngier <maz@...nel.org>,
Linus Walleij <linus.walleij@...aro.org>,
Maulik Shah <mkshah@...eaurora.org>,
Lina Iyer <ilina@...eaurora.org>,
Saravana Kannan <saravanak@...gle.com>,
Todd Kjos <tkjos@...gle.com>,
Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
linux-arm-msm@...r.kernel.org, iommu@...ts.linux-foundation.org,
linux-gpio@...r.kernel.org
Subject: [PATCH v4 1/2] pinctrl: qcom: Allow pinctrl-msm code to be loadable as a module
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.
Unlike the previous revision of this patch:
https://lore.kernel.org/lkml/20200625001039.56174-5-john.stultz@linaro.org/
this version reworks PINCTRL_MSM to be a visible option and
instead of having the various SoC specific drivers select
PINCTRL_MSM, this switches those configs to depend on
PINCTRL_MSM. This avoids adding the oddish looking:
"depend on QCOM_SCM || QCOM_SCM=n"
to every SoC specific driver, as that becomes a maintenance
headache.
Cc: Andy Gross <agross@...nel.org>
Cc: Bjorn Andersson <bjorn.andersson@...aro.org>
Cc: Joerg Roedel <joro@...tes.org>
Cc: Thomas Gleixner <tglx@...utronix.de>
Cc: Jason Cooper <jason@...edaemon.net>
Cc: Marc Zyngier <maz@...nel.org>
Cc: Linus Walleij <linus.walleij@...aro.org>
Cc: Maulik Shah <mkshah@...eaurora.org>
Cc: Lina Iyer <ilina@...eaurora.org>
Cc: Saravana Kannan <saravanak@...gle.com>
Cc: Todd Kjos <tkjos@...gle.com>
Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc: linux-arm-msm@...r.kernel.org
Cc: iommu@...ts.linux-foundation.org
Cc: linux-gpio@...r.kernel.org
Signed-off-by: John Stultz <john.stultz@...aro.org>
---
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.
v3:
* Make sure the QCOM_SCM || QCOM_SCM=n trick is commented
v4:
* Rework "select PINCTRL_MSM" to "depends on PINCTRL_MSM"
to consolidate the QCOM_SCM dependency.
---
drivers/pinctrl/qcom/Kconfig | 49 +++++++++++++++---------------
drivers/pinctrl/qcom/pinctrl-msm.c | 2 ++
2 files changed, 27 insertions(+), 24 deletions(-)
diff --git a/drivers/pinctrl/qcom/Kconfig b/drivers/pinctrl/qcom/Kconfig
index 5fe7b8aaf69d8..8bb786ed152dd 100644
--- a/drivers/pinctrl/qcom/Kconfig
+++ b/drivers/pinctrl/qcom/Kconfig
@@ -2,7 +2,8 @@
if (ARCH_QCOM || COMPILE_TEST)
config PINCTRL_MSM
- bool
+ tristate "Qualcomm core pin controller driver"
+ depends on QCOM_SCM || !QCOM_SCM #if QCOM_SCM=m this can't be =y
select PINMUX
select PINCONF
select GENERIC_PINCONF
@@ -13,7 +14,7 @@ config PINCTRL_MSM
config PINCTRL_APQ8064
tristate "Qualcomm APQ8064 pin controller driver"
depends on GPIOLIB && OF
- select PINCTRL_MSM
+ depends on PINCTRL_MSM
help
This is the pinctrl, pinmux, pinconf and gpiolib driver for the
Qualcomm TLMM block found in the Qualcomm APQ8064 platform.
@@ -21,7 +22,7 @@ config PINCTRL_APQ8064
config PINCTRL_APQ8084
tristate "Qualcomm APQ8084 pin controller driver"
depends on GPIOLIB && OF
- select PINCTRL_MSM
+ depends on PINCTRL_MSM
help
This is the pinctrl, pinmux, pinconf and gpiolib driver for the
Qualcomm TLMM block found in the Qualcomm APQ8084 platform.
@@ -29,7 +30,7 @@ config PINCTRL_APQ8084
config PINCTRL_IPQ4019
tristate "Qualcomm IPQ4019 pin controller driver"
depends on GPIOLIB && OF
- select PINCTRL_MSM
+ depends on PINCTRL_MSM
help
This is the pinctrl, pinmux, pinconf and gpiolib driver for the
Qualcomm TLMM block found in the Qualcomm IPQ4019 platform.
@@ -37,7 +38,7 @@ config PINCTRL_IPQ4019
config PINCTRL_IPQ8064
tristate "Qualcomm IPQ8064 pin controller driver"
depends on GPIOLIB && OF
- select PINCTRL_MSM
+ depends on PINCTRL_MSM
help
This is the pinctrl, pinmux, pinconf and gpiolib driver for the
Qualcomm TLMM block found in the Qualcomm IPQ8064 platform.
@@ -45,7 +46,7 @@ config PINCTRL_IPQ8064
config PINCTRL_IPQ8074
tristate "Qualcomm Technologies, Inc. IPQ8074 pin controller driver"
depends on GPIOLIB && OF
- select PINCTRL_MSM
+ depends on PINCTRL_MSM
help
This is the pinctrl, pinmux, pinconf and gpiolib driver for
the Qualcomm Technologies Inc. TLMM block found on the
@@ -55,7 +56,7 @@ config PINCTRL_IPQ8074
config PINCTRL_IPQ6018
tristate "Qualcomm Technologies, Inc. IPQ6018 pin controller driver"
depends on GPIOLIB && OF
- select PINCTRL_MSM
+ depends on PINCTRL_MSM
help
This is the pinctrl, pinmux, pinconf and gpiolib driver for
the Qualcomm Technologies Inc. TLMM block found on the
@@ -65,7 +66,7 @@ config PINCTRL_IPQ6018
config PINCTRL_MSM8226
tristate "Qualcomm 8226 pin controller driver"
depends on GPIOLIB && OF
- select PINCTRL_MSM
+ depends on PINCTRL_MSM
help
This is the pinctrl, pinmux, pinconf and gpiolib driver for the
Qualcomm Technologies Inc TLMM block found on the Qualcomm
@@ -74,7 +75,7 @@ config PINCTRL_MSM8226
config PINCTRL_MSM8660
tristate "Qualcomm 8660 pin controller driver"
depends on GPIOLIB && OF
- select PINCTRL_MSM
+ depends on PINCTRL_MSM
help
This is the pinctrl, pinmux, pinconf and gpiolib driver for the
Qualcomm TLMM block found in the Qualcomm 8660 platform.
@@ -82,7 +83,7 @@ config PINCTRL_MSM8660
config PINCTRL_MSM8960
tristate "Qualcomm 8960 pin controller driver"
depends on GPIOLIB && OF
- select PINCTRL_MSM
+ depends on PINCTRL_MSM
help
This is the pinctrl, pinmux, pinconf and gpiolib driver for the
Qualcomm TLMM block found in the Qualcomm 8960 platform.
@@ -90,7 +91,7 @@ config PINCTRL_MSM8960
config PINCTRL_MDM9615
tristate "Qualcomm 9615 pin controller driver"
depends on GPIOLIB && OF
- select PINCTRL_MSM
+ depends on PINCTRL_MSM
help
This is the pinctrl, pinmux, pinconf and gpiolib driver for the
Qualcomm TLMM block found in the Qualcomm 9615 platform.
@@ -98,7 +99,7 @@ config PINCTRL_MDM9615
config PINCTRL_MSM8X74
tristate "Qualcomm 8x74 pin controller driver"
depends on GPIOLIB && OF
- select PINCTRL_MSM
+ depends on PINCTRL_MSM
help
This is the pinctrl, pinmux, pinconf and gpiolib driver for the
Qualcomm TLMM block found in the Qualcomm 8974 platform.
@@ -106,7 +107,7 @@ config PINCTRL_MSM8X74
config PINCTRL_MSM8916
tristate "Qualcomm 8916 pin controller driver"
depends on GPIOLIB && OF
- select PINCTRL_MSM
+ depends on PINCTRL_MSM
help
This is the pinctrl, pinmux, pinconf and gpiolib driver for the
Qualcomm TLMM block found on the Qualcomm 8916 platform.
@@ -114,7 +115,7 @@ config PINCTRL_MSM8916
config PINCTRL_MSM8976
tristate "Qualcomm 8976 pin controller driver"
depends on GPIOLIB && OF
- select PINCTRL_MSM
+ depends on PINCTRL_MSM
help
This is the pinctrl, pinmux, pinconf and gpiolib driver for the
Qualcomm TLMM block found on the Qualcomm MSM8976 platform.
@@ -124,7 +125,7 @@ config PINCTRL_MSM8976
config PINCTRL_MSM8994
tristate "Qualcomm 8994 pin controller driver"
depends on GPIOLIB && OF
- select PINCTRL_MSM
+ depends on PINCTRL_MSM
help
This is the pinctrl, pinmux, pinconf and gpiolib driver for the
Qualcomm TLMM block found in the Qualcomm 8994 platform. The
@@ -133,7 +134,7 @@ config PINCTRL_MSM8994
config PINCTRL_MSM8996
tristate "Qualcomm MSM8996 pin controller driver"
depends on GPIOLIB && OF
- select PINCTRL_MSM
+ depends on PINCTRL_MSM
help
This is the pinctrl, pinmux, pinconf and gpiolib driver for the
Qualcomm TLMM block found in the Qualcomm MSM8996 platform.
@@ -141,7 +142,7 @@ config PINCTRL_MSM8996
config PINCTRL_MSM8998
tristate "Qualcomm MSM8998 pin controller driver"
depends on GPIOLIB && OF
- select PINCTRL_MSM
+ depends on PINCTRL_MSM
help
This is the pinctrl, pinmux, pinconf and gpiolib driver for the
Qualcomm TLMM block found in the Qualcomm MSM8998 platform.
@@ -149,7 +150,7 @@ config PINCTRL_MSM8998
config PINCTRL_QCS404
tristate "Qualcomm QCS404 pin controller driver"
depends on GPIOLIB && OF
- select PINCTRL_MSM
+ depends on PINCTRL_MSM
help
This is the pinctrl, pinmux, pinconf and gpiolib driver for the
TLMM block found in the Qualcomm QCS404 platform.
@@ -157,7 +158,7 @@ config PINCTRL_QCS404
config PINCTRL_QDF2XXX
tristate "Qualcomm Technologies QDF2xxx pin controller driver"
depends on GPIOLIB && ACPI
- select PINCTRL_MSM
+ depends on PINCTRL_MSM
help
This is the GPIO driver for the TLMM block found on the
Qualcomm Technologies QDF2xxx SOCs.
@@ -194,7 +195,7 @@ config PINCTRL_QCOM_SSBI_PMIC
config PINCTRL_SC7180
tristate "Qualcomm Technologies Inc SC7180 pin controller driver"
depends on GPIOLIB && OF
- select PINCTRL_MSM
+ depends on PINCTRL_MSM
help
This is the pinctrl, pinmux, pinconf and gpiolib driver for the
Qualcomm Technologies Inc TLMM block found on the Qualcomm
@@ -203,7 +204,7 @@ config PINCTRL_SC7180
config PINCTRL_SDM660
tristate "Qualcomm Technologies Inc SDM660 pin controller driver"
depends on GPIOLIB && OF
- select PINCTRL_MSM
+ depends on PINCTRL_MSM
help
This is the pinctrl, pinmux, pinconf and gpiolib driver for the
Qualcomm Technologies Inc TLMM block found on the Qualcomm
@@ -212,7 +213,7 @@ config PINCTRL_SDM660
config PINCTRL_SDM845
tristate "Qualcomm Technologies Inc SDM845 pin controller driver"
depends on GPIOLIB && (OF || ACPI)
- select PINCTRL_MSM
+ depends on PINCTRL_MSM
help
This is the pinctrl, pinmux, pinconf and gpiolib driver for the
Qualcomm Technologies Inc TLMM block found on the Qualcomm
@@ -221,7 +222,7 @@ config PINCTRL_SDM845
config PINCTRL_SM8150
tristate "Qualcomm Technologies Inc SM8150 pin controller driver"
depends on GPIOLIB && OF
- select PINCTRL_MSM
+ depends on PINCTRL_MSM
help
This is the pinctrl, pinmux, pinconf and gpiolib driver for the
Qualcomm Technologies Inc TLMM block found on the Qualcomm
@@ -230,7 +231,7 @@ config PINCTRL_SM8150
config PINCTRL_SM8250
tristate "Qualcomm Technologies Inc SM8250 pin controller driver"
depends on GPIOLIB && OF
- select PINCTRL_MSM
+ depends on PINCTRL_MSM
help
This is the pinctrl, pinmux, pinconf and gpiolib driver for the
Qualcomm Technologies Inc TLMM block found on the Qualcomm
diff --git a/drivers/pinctrl/qcom/pinctrl-msm.c b/drivers/pinctrl/qcom/pinctrl-msm.c
index c4bcda90aac4a..988343ac49b92 100644
--- a/drivers/pinctrl/qcom/pinctrl-msm.c
+++ b/drivers/pinctrl/qcom/pinctrl-msm.c
@@ -1443,3 +1443,5 @@ 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
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