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From:   David Lechner <david@lechnology.com>
To:     linux-iio@vger.kernel.org, linux-omap@vger.kernel.org
Cc:     David Lechner <david@lechnology.com>,
        Rob Herring <robh+dt@kernel.org>,
        Mark Rutland <mark.rutland@arm.com>,
        =?UTF-8?q?Beno=C3=AEt=20Cousson?= <bcousson@baylibre.com>,
        Tony Lindgren <tony@atomide.com>,
        William Breathitt Gray <vilhelm.gray@gmail.com>,
        Thierry Reding <thierry.reding@gmail.com>,
        devicetree@vger.kernel.org, linux-kernel@vger.kernel.org,
        linux-pwm@vger.kernel.org
Subject: [PATCH v3 1/6] bus/ti-pwmss: move TI PWMSS driver from PWM to bus subsystem
Date:   Sun,  1 Sep 2019 17:58:22 -0500
Message-Id: <20190901225827.12301-2-david@lechnology.com>
In-Reply-To: <20190901225827.12301-1-david@lechnology.com>
References: <20190901225827.12301-1-david@lechnology.com>
Sender: linux-kernel-owner@vger.kernel.org
Precedence: bulk

The TI PWMSS driver is a simple bus driver for providing power
power management for the PWM peripherals on TI AM33xx SoCs, namely
eCAP, eHRPWM and eQEP. The eQEP is a counter rather than a PWM, so
it does not make sense to have the bus driver in the PWM subsystem
since the PWMSS is not exclusive to PWM devices.

Signed-off-by: David Lechner <david@lechnology.com>
---

v3 changes:
- none
v2 changes:
- new patch

 drivers/bus/Kconfig                           | 9 +++++++++
 drivers/bus/Makefile                          | 1 +
 drivers/{pwm/pwm-tipwmss.c => bus/ti-pwmss.c} | 0
 drivers/pwm/Kconfig                           | 9 ---------
 drivers/pwm/Makefile                          | 1 -
 5 files changed, 10 insertions(+), 10 deletions(-)
 rename drivers/{pwm/pwm-tipwmss.c => bus/ti-pwmss.c} (100%)

diff --git a/drivers/bus/Kconfig b/drivers/bus/Kconfig
index 1851112ccc29..4eeb15839ce0 100644
--- a/drivers/bus/Kconfig
+++ b/drivers/bus/Kconfig
@@ -140,6 +140,15 @@ config TEGRA_GMI
 	  Driver for the Tegra Generic Memory Interface bus which can be used
 	  to attach devices such as NOR, UART, FPGA and more.
 
+config  TI_PWMSS
+	bool
+	default y if (ARCH_OMAP2PLUS) && (PWM_TIECAP || PWM_TIEHRPWM)
+	help
+	  PWM Subsystem driver support for AM33xx SOC.
+
+	  PWM submodules require PWM config space access from submodule
+	  drivers and require common parent driver support.
+
 config TI_SYSC
 	bool "TI sysc interconnect target module driver"
 	depends on ARCH_OMAP2PLUS
diff --git a/drivers/bus/Makefile b/drivers/bus/Makefile
index ca300b1914ce..a2d13cf4a877 100644
--- a/drivers/bus/Makefile
+++ b/drivers/bus/Makefile
@@ -26,6 +26,7 @@ obj-$(CONFIG_SUNXI_RSB)		+= sunxi-rsb.o
 obj-$(CONFIG_SIMPLE_PM_BUS)	+= simple-pm-bus.o
 obj-$(CONFIG_TEGRA_ACONNECT)	+= tegra-aconnect.o
 obj-$(CONFIG_TEGRA_GMI)		+= tegra-gmi.o
+obj-$(CONFIG_TI_PWMSS)		+= ti-pwmss.o
 obj-$(CONFIG_TI_SYSC)		+= ti-sysc.o
 obj-$(CONFIG_TS_NBUS)		+= ts-nbus.o
 obj-$(CONFIG_UNIPHIER_SYSTEM_BUS)	+= uniphier-system-bus.o
diff --git a/drivers/pwm/pwm-tipwmss.c b/drivers/bus/ti-pwmss.c
similarity index 100%
rename from drivers/pwm/pwm-tipwmss.c
rename to drivers/bus/ti-pwmss.c
diff --git a/drivers/pwm/Kconfig b/drivers/pwm/Kconfig
index a7e57516959e..300396564769 100644
--- a/drivers/pwm/Kconfig
+++ b/drivers/pwm/Kconfig
@@ -497,15 +497,6 @@ config  PWM_TIEHRPWM
 	  To compile this driver as a module, choose M here: the module
 	  will be called pwm-tiehrpwm.
 
-config  PWM_TIPWMSS
-	bool
-	default y if (ARCH_OMAP2PLUS) && (PWM_TIECAP || PWM_TIEHRPWM)
-	help
-	  PWM Subsystem driver support for AM33xx SOC.
-
-	  PWM submodules require PWM config space access from submodule
-	  drivers and require common parent driver support.
-
 config PWM_TWL
 	tristate "TWL4030/6030 PWM support"
 	depends on TWL4030_CORE
diff --git a/drivers/pwm/Makefile b/drivers/pwm/Makefile
index 76b555b51887..f67eb6e9294d 100644
--- a/drivers/pwm/Makefile
+++ b/drivers/pwm/Makefile
@@ -49,7 +49,6 @@ obj-$(CONFIG_PWM_SUN4I)		+= pwm-sun4i.o
 obj-$(CONFIG_PWM_TEGRA)		+= pwm-tegra.o
 obj-$(CONFIG_PWM_TIECAP)	+= pwm-tiecap.o
 obj-$(CONFIG_PWM_TIEHRPWM)	+= pwm-tiehrpwm.o
-obj-$(CONFIG_PWM_TIPWMSS)	+= pwm-tipwmss.o
 obj-$(CONFIG_PWM_TWL)		+= pwm-twl.o
 obj-$(CONFIG_PWM_TWL_LED)	+= pwm-twl-led.o
 obj-$(CONFIG_PWM_VT8500)	+= pwm-vt8500.o
-- 
2.17.1