Re: [PATCH v4 1/3] mwifiex: register platform specific driver

From: Rob Herring
Date: Thu Feb 18 2016 - 09:38:19 EST


On Tue, Feb 16, 2016 at 01:14:37AM -0800, Amitkumar Karwar wrote:
> From: Xinming Hu <huxm@xxxxxxxxxxx>
>
> Platform device and driver provides easy way to interact with
> device-tree-enabled system.
>
> This patch registers platform driver and reorganise existing device
> tree specific code. Corresponding device tree binding file is also
> created.
>
> Signed-off-by: Xinming Hu <huxm@xxxxxxxxxxx>
> Signed-off-by: Amitkumar Karwar <akarwar@xxxxxxxxxxx>
> ---
> v3: Don't update adapter->dt_node if mwifiex_plt_dev is NULL
> v4: Corrected the 'name' and 'compatible' property names.(Arnd Bergmann and Rob
> Herring)
> Patch description wraped in 72 columns(Rob Herring)
> Moved DT binding file to bindings/net/wireless/(Rob Herring)
> ---
> .../bindings/net/wireless/marvell-sd8xxx.txt | 29 +++++++++++

Again, one patch for all the binding changes.

> drivers/net/wireless/marvell/mwifiex/Makefile | 1 +
> drivers/net/wireless/marvell/mwifiex/main.c | 2 +
> drivers/net/wireless/marvell/mwifiex/main.h | 14 +++++
> .../net/wireless/marvell/mwifiex/platform_drv.c | 59 ++++++++++++++++++++++
> drivers/net/wireless/marvell/mwifiex/sta_cmd.c | 4 +-
> 6 files changed, 107 insertions(+), 2 deletions(-)
> create mode 100644 Documentation/devicetree/bindings/net/wireless/marvell-sd8xxx.txt
> create mode 100644 drivers/net/wireless/marvell/mwifiex/platform_drv.c
>
> diff --git a/Documentation/devicetree/bindings/net/wireless/marvell-sd8xxx.txt b/Documentation/devicetree/bindings/net/wireless/marvell-sd8xxx.txt
> new file mode 100644
> index 0000000..f7671ae
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/net/wireless/marvell-sd8xxx.txt
> @@ -0,0 +1,29 @@
> +Marvell Sd8xxx Wireless devices
> +------
> +
> +Required properties:
> +
> + - name : must be "wlan"
> + - compatible : must be "marvell,sd8xxx"

No wildcards as Arnd mentioned.

> +
> +Optional properties:
> +
> + - marvell,caldata* : A series of properties with marvell,caldata prefix,
> + represent Calibration data downloaded to the device during
> + initialization. This is an array of unsigned values.
> +
> +
> +Example:
> +
> +Tx power limit calibration data is configured in below example.
> +The calibration data is an array of unsigned values, the length
> +can vary between hw versions.
> +
> +wlan {

This also needs to be specified as a subnode of the SDIO controller.

> + compatible = "marvell,sd8xxx";
> +
> + marvell,caldata_00_txpwrlimit_2g_cfg_set = /bits/ 8 <
> +0x01 0x00 0x06 0x00 0x08 0x02 0x89 0x01 ...>;
> +
> +};
> +