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

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <20130618000211.GC7998@zurbaran>
Date:	Tue, 18 Jun 2013 02:02:11 +0200
From:	Samuel Ortiz <sameo@...ux.intel.com>
To:	Florian Vaussard <florian.vaussard@...l.ch>
Cc:	Grant Likely <grant.likely@...aro.org>,
	Rob Herring <rob.herring@...xeda.com>,
	Rob Landley <rob@...dley.net>,
	Peter Ujfalusi <peter.ujfalusi@...com>,
	Mark Brown <broonie@...nsource.wolfsonmicro.com>,
	Tero Kristo <t-kristo@...com>,
	devicetree-discuss@...ts.ozlabs.org,
	linux-arm-kernel@...ts.infradead.org, linux-doc@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2/3] mfd: twl4030-power: Start transition to DT

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@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/