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Message-ID: <20160927194754.GN21388@dell>
Date: Tue, 27 Sep 2016 20:47:54 +0100
From: Lee Jones <lee.jones@...aro.org>
To: Linus Walleij <linus.walleij@...aro.org>
Cc: linux-kernel@...r.kernel.org, arm@...nel.org,
Russell King <linux@...linux.org.uk>
Subject: Re: [PATCH] mfd/gpio: move HTC GPIO driver to GPIO subsystem
On Fri, 16 Sep 2016, Linus Walleij wrote:
> The HTC GPIO driver is a pure GPIO driver and I just can not
> see what it is doing inside MFD. Let's just move it to GPIO
> and take this opportunity to move the platform data to
> <linux/platform_data/gpio-htc-egpio.h>
>
> Cc: arm@...nel.org
> Cc: Russell King <linux@...linux.org.uk>
> Cc: Lee Jones <lee.jones@...aro.org>
> Signed-off-by: Linus Walleij <linus.walleij@...aro.org>
> ---
> Lee if you're OK with this I will provide an immutable branch
> for you to pull this into MFD as well (or if you prefer to
> prep it, be my guest...)
Acked-by: Lee Jones <lee.jones@...aro.org>
I look forward to your pull-request.
> Russell/ARM SoC: heads-up and ACK request.
> ---
> arch/arm/mach-pxa/hx4700.c | 2 +-
> arch/arm/mach-pxa/magician.c | 2 +-
> arch/arm/mach-sa1100/h3xxx.c | 2 +-
> drivers/gpio/Kconfig | 8 ++++++++
> drivers/gpio/Makefile | 1 +
> drivers/{mfd/htc-egpio.c => gpio/gpio-htc-egpio.c} | 2 +-
> drivers/mfd/Kconfig | 8 --------
> drivers/mfd/Makefile | 1 -
> include/linux/{mfd/htc-egpio.h => platform_data/gpio-htc-egpio.h} | 0
> 9 files changed, 13 insertions(+), 13 deletions(-)
> rename drivers/{mfd/htc-egpio.c => gpio/gpio-htc-egpio.c} (99%)
> rename include/linux/{mfd/htc-egpio.h => platform_data/gpio-htc-egpio.h} (100%)
>
> diff --git a/arch/arm/mach-pxa/hx4700.c b/arch/arm/mach-pxa/hx4700.c
> index 4a2f9aba93ea..d3ac2363a34b 100644
> --- a/arch/arm/mach-pxa/hx4700.c
> +++ b/arch/arm/mach-pxa/hx4700.c
> @@ -24,7 +24,7 @@
> #include <linux/input.h>
> #include <linux/input/navpoint.h>
> #include <linux/lcd.h>
> -#include <linux/mfd/htc-egpio.h>
> +#include <linux/platform_data/gpio-htc-egpio.h>
> #include <linux/mfd/asic3.h>
> #include <linux/mtd/physmap.h>
> #include <linux/pda_power.h>
> diff --git a/arch/arm/mach-pxa/magician.c b/arch/arm/mach-pxa/magician.c
> index abc918169367..d656bb2c3b66 100644
> --- a/arch/arm/mach-pxa/magician.c
> +++ b/arch/arm/mach-pxa/magician.c
> @@ -20,7 +20,7 @@
> #include <linux/gpio.h>
> #include <linux/gpio_keys.h>
> #include <linux/input.h>
> -#include <linux/mfd/htc-egpio.h>
> +#include <linux/platform_data/gpio-htc-egpio.h>
> #include <linux/mfd/htc-pasic3.h>
> #include <linux/mtd/physmap.h>
> #include <linux/pda_power.h>
> diff --git a/arch/arm/mach-sa1100/h3xxx.c b/arch/arm/mach-sa1100/h3xxx.c
> index b1d4faa12f9a..75ab3b086e6f 100644
> --- a/arch/arm/mach-sa1100/h3xxx.c
> +++ b/arch/arm/mach-sa1100/h3xxx.c
> @@ -14,7 +14,7 @@
> #include <linux/gpio.h>
> #include <linux/gpio_keys.h>
> #include <linux/input.h>
> -#include <linux/mfd/htc-egpio.h>
> +#include <linux/platform_data/gpio-htc-egpio.h>
> #include <linux/mtd/mtd.h>
> #include <linux/mtd/partitions.h>
> #include <linux/platform_data/sa11x0-serial.h>
> diff --git a/drivers/gpio/Kconfig b/drivers/gpio/Kconfig
> index 98dd47a30fc7..03be200619a4 100644
> --- a/drivers/gpio/Kconfig
> +++ b/drivers/gpio/Kconfig
> @@ -848,6 +848,14 @@ config GPIO_DLN2
> This driver can also be built as a module. If so, the module
> will be called gpio-dln2.
>
> +config HTC_EGPIO
> + bool "HTC EGPIO support"
> + depends on GPIOLIB && ARM
> + help
> + This driver supports the CPLD egpio chip present on
> + several HTC phones. It provides basic support for input
> + pins, output pins, and irqs.
> +
> config GPIO_JANZ_TTL
> tristate "Janz VMOD-TTL Digital IO Module"
> depends on MFD_JANZ_CMODIO
> diff --git a/drivers/gpio/Makefile b/drivers/gpio/Makefile
> index 2a035ed8f168..32ebc07074ed 100644
> --- a/drivers/gpio/Makefile
> +++ b/drivers/gpio/Makefile
> @@ -45,6 +45,7 @@ obj-$(CONFIG_GPIO_ETRAXFS) += gpio-etraxfs.o
> obj-$(CONFIG_GPIO_F7188X) += gpio-f7188x.o
> obj-$(CONFIG_GPIO_GE_FPGA) += gpio-ge.o
> obj-$(CONFIG_GPIO_GRGPIO) += gpio-grgpio.o
> +obj-$(CONFIG_HTC_EGPIO) += gpio-htc-egpio.o
> obj-$(CONFIG_GPIO_ICH) += gpio-ich.o
> obj-$(CONFIG_GPIO_IOP) += gpio-iop.o
> obj-$(CONFIG_GPIO_IT87) += gpio-it87.o
> diff --git a/drivers/mfd/htc-egpio.c b/drivers/gpio/gpio-htc-egpio.c
> similarity index 99%
> rename from drivers/mfd/htc-egpio.c
> rename to drivers/gpio/gpio-htc-egpio.c
> index 513cfc5c8fb6..7edb980d5188 100644
> --- a/drivers/mfd/htc-egpio.c
> +++ b/drivers/gpio/gpio-htc-egpio.c
> @@ -17,7 +17,7 @@
> #include <linux/platform_device.h>
> #include <linux/slab.h>
> #include <linux/module.h>
> -#include <linux/mfd/htc-egpio.h>
> +#include <linux/platform_data/gpio-htc-egpio.h>
>
> struct egpio_chip {
> int reg_start;
> diff --git a/drivers/mfd/Kconfig b/drivers/mfd/Kconfig
> index 2d1fb6420592..8634d60837fc 100644
> --- a/drivers/mfd/Kconfig
> +++ b/drivers/mfd/Kconfig
> @@ -340,14 +340,6 @@ config MFD_HI655X_PMIC
> help
> Select this option to enable Hisilicon hi655x series pmic driver.
>
> -config HTC_EGPIO
> - bool "HTC EGPIO support"
> - depends on GPIOLIB && ARM
> - help
> - This driver supports the CPLD egpio chip present on
> - several HTC phones. It provides basic support for input
> - pins, output pins, and irqs.
> -
> config HTC_PASIC3
> tristate "HTC PASIC3 LED/DS1WM chip support"
> select MFD_CORE
> diff --git a/drivers/mfd/Makefile b/drivers/mfd/Makefile
> index 2ba3ba35f745..a5f1bf153b64 100644
> --- a/drivers/mfd/Makefile
> +++ b/drivers/mfd/Makefile
> @@ -18,7 +18,6 @@ rtsx_pci-objs := rtsx_pcr.o rts5209.o rts5229.o rtl8411.o rts5227.o rts5249.o
> obj-$(CONFIG_MFD_RTSX_PCI) += rtsx_pci.o
> obj-$(CONFIG_MFD_RTSX_USB) += rtsx_usb.o
>
> -obj-$(CONFIG_HTC_EGPIO) += htc-egpio.o
> obj-$(CONFIG_HTC_PASIC3) += htc-pasic3.o
> obj-$(CONFIG_HTC_I2CPLD) += htc-i2cpld.o
>
> diff --git a/include/linux/mfd/htc-egpio.h b/include/linux/platform_data/gpio-htc-egpio.h
> similarity index 100%
> rename from include/linux/mfd/htc-egpio.h
> rename to include/linux/platform_data/gpio-htc-egpio.h
--
Lee Jones
Linaro STMicroelectronics Landing Team Lead
Linaro.org │ Open source software for ARM SoCs
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