Re: [PATCH 2/3] mfd: twl4030-power: Start transition to DT

From: Samuel Ortiz
Date: Mon Jun 17 2013 - 20:02:36 EST


Hi Florian,

On Thu, May 30, 2013 at 03:51:55PM +0200, Florian Vaussard wrote:
> int twl4030_power_probe(struct platform_device *pdev)
> {
> struct twl4030_power_data *pdata = pdev->dev.platform_data;
> + struct device_node *node = pdev->dev.of_node;
> int err = 0;
> - int i;
> - struct twl4030_resconfig *resconfig;
> - u8 val, address = twl4030_start_script_address;
> + u8 val;
> +
> + if (!pdata && !node) {
> + dev_err(&pdev->dev, "Platform data is missing\n");
> + return -EINVAL;
> + }
>
> err = twl_i2c_write_u8(TWL_MODULE_PM_MASTER, TWL4030_PM_MASTER_KEY_CFG1,
> TWL4030_PM_MASTER_PROTECT_KEY);
> @@ -525,26 +575,17 @@ int twl4030_power_probe(struct platform_device *pdev)
> if (err)
> goto unlock;
>
> - for (i = 0; i < pdata->num; i++) {
> - err = load_twl4030_script(pdata->scripts[i], address);
> + if (pdata) {
> + err = twl4030_power_configure_scripts(pdata);
> if (err)
> goto load;
> - address += pdata->scripts[i]->size;
> - }
> -
> - resconfig = pdata->resource_config;
> - if (resconfig) {
> - while (resconfig->resource) {
> - err = twl4030_configure_resource(resconfig);
> - if (err)
> - goto resource;
> - resconfig++;
> -
> - }
> + err = twl4030_power_configure_resources(pdata);
> + if (err)
> + goto resource;
You're simplifying the probe routine here by defining 2
twl4030_power_configure_* functions. That's good, but it should be a
separate patch as it's not related to the DT porting effort.

Cheers,
Samuel.

--
Intel Open Source Technology Centre
http://oss.intel.com/
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/