Re: [PATCH] [V2] gpio: New driver for LSI ZEVIO SoCs

From: Michal Simek
Date: Wed Aug 07 2013 - 03:10:22 EST


Hi,

On 08/06/2013 09:53 PM, Fabian Vogt wrote:
> This driver supports the GPIO controller found in LSI ZEVIO SoCs.
> It has been successfully tested on a TI nspire CX calculator.
> ---
> .../devicetree/bindings/gpio/gpio-zevio.txt | 19 ++
> drivers/gpio/Kconfig | 7 +
> drivers/gpio/Makefile | 1 +
> drivers/gpio/gpio-zevio.c | 212 +++++++++++++++++++++
> 4 files changed, 239 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/gpio/gpio-zevio.txt
> create mode 100644 drivers/gpio/gpio-zevio.c
>
> diff --git a/Documentation/devicetree/bindings/gpio/gpio-zevio.txt b/Documentation/devicetree/bindings/gpio/gpio-zevio.txt
> new file mode 100644
> index 0000000..96d948b
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/gpio/gpio-zevio.txt
> @@ -0,0 +1,19 @@
> +Zevio GPIO controller
> +
> +Required properties:
> +- compatible = "lsi,zevio-gpio"
> +- reg = <BASEADDR SIZE>
> +- #gpio-cells = <2>
> +- gpio-controller;
> +
> +Optional:
> +- #ngpios = <32>: Number of GPIOs. Defaults to 32 if absent
> +
> +Example:
> + gpio: gpio@90000000 {
> + compatible = "lsi,zevio-gpio";
> + reg = <0x90000000 0x1000>;
> +

<tab> here and I can't see the reason to have this blank line here.

> + gpio-controller;
> + #gpio-cells = <2>;
> + };
> \ No newline at end of file

Doesn't look right.

> diff --git a/drivers/gpio/Kconfig b/drivers/gpio/Kconfig
> index b2450ba..ba8c357 100644
> --- a/drivers/gpio/Kconfig
> +++ b/drivers/gpio/Kconfig
> @@ -138,6 +138,13 @@ config GPIO_EP93XX
> depends on ARCH_EP93XX
> select GPIO_GENERIC
>
> +config GPIO_ZEVIO
> + bool "LSI ZEVIO SoC memory mapped GPIOs"
> + depends on ARCH_NSPIRE
> + select GENERIC_IRQ_CHIP
> + help
> + Say yes here to support the GPIO controller in LSI ZEVIO SoCs.
> +

Not sure how subsystem maintainer handle this but I would prefer
to keep this sorted as it is done in Makefile.

> config GPIO_MM_LANTIQ
> bool "Lantiq Memory mapped GPIOs"
> depends on LANTIQ && SOC_XWAY
> diff --git a/drivers/gpio/Makefile b/drivers/gpio/Makefile
> index ef3e983..1e7e926 100644
> --- a/drivers/gpio/Makefile
> +++ b/drivers/gpio/Makefile
> @@ -87,3 +87,4 @@ obj-$(CONFIG_GPIO_WM831X) += gpio-wm831x.o
> obj-$(CONFIG_GPIO_WM8350) += gpio-wm8350.o
> obj-$(CONFIG_GPIO_WM8994) += gpio-wm8994.o
> obj-$(CONFIG_GPIO_XILINX) += gpio-xilinx.o
> +obj-$(CONFIG_GPIO_ZEVIO) += gpio-zevio.o
> \ No newline at end of file

ditto.

The patch contains several trailing whitespace reported by checkpatch.pl
which should be fixed.

Thanks,
Michal

--
Michal Simek, Ing. (M.Eng), OpenPGP -> KeyID: FE3D1F91
w: www.monstr.eu p: +42-0-721842854
Maintainer of Linux kernel - Microblaze cpu - http://www.monstr.eu/fdt/
Maintainer of Linux kernel - Xilinx Zynq ARM architecture
Microblaze U-BOOT custodian and responsible for u-boot arm zynq platform


Attachment: signature.asc
Description: OpenPGP digital signature