linux-kernel - Re: [PATCH] Input: smtpe-ts: better way of using of_property_read

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Date:	Tue, 24 Nov 2015 12:43:06 +0530
From:	Viresh Kumar <viresh.kumar@...aro.org>
To:	Saurabh Sengar <saurabh.truth@...il.com>
Cc:	dmitry.torokhov@...il.com, marex@...x.de,
	linux-input@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] Input: smtpe-ts: better way of using
 of_property_read_u32()

On 24-11-15, 12:36, Saurabh Sengar wrote:
> better way of using of_property_read_u32(), helps remove one variable
> and many 'if' conditions
> 
> Signed-off-by: Saurabh Sengar <saurabh.truth@...il.com>
> ---
>  drivers/input/touchscreen/stmpe-ts.c | 29 ++++++++++-------------------
>  1 file changed, 10 insertions(+), 19 deletions(-)
> 
> diff --git a/drivers/input/touchscreen/stmpe-ts.c b/drivers/input/touchscreen/stmpe-ts.c
> index e414d43..51abe62 100644
> --- a/drivers/input/touchscreen/stmpe-ts.c
> +++ b/drivers/input/touchscreen/stmpe-ts.c
> @@ -268,27 +268,18 @@ static void stmpe_ts_get_platform_info(struct platform_device *pdev,
>  					struct stmpe_touch *ts)
>  {
>  	struct device_node *np = pdev->dev.of_node;
> -	u32 val;
>  
>  	if (np) {
> -		if (!of_property_read_u32(np, "st,sample-time", &val))
> -			ts->sample_time = val;
> -		if (!of_property_read_u32(np, "st,mod-12b", &val))
> -			ts->mod_12b = val;
> -		if (!of_property_read_u32(np, "st,ref-sel", &val))
> -			ts->ref_sel = val;
> -		if (!of_property_read_u32(np, "st,adc-freq", &val))
> -			ts->adc_freq = val;
> -		if (!of_property_read_u32(np, "st,ave-ctrl", &val))
> -			ts->ave_ctrl = val;
> -		if (!of_property_read_u32(np, "st,touch-det-delay", &val))
> -			ts->touch_det_delay = val;
> -		if (!of_property_read_u32(np, "st,settling", &val))
> -			ts->settling = val;
> -		if (!of_property_read_u32(np, "st,fraction-z", &val))
> -			ts->fraction_z = val;
> -		if (!of_property_read_u32(np, "st,i-drive", &val))
> -			ts->i_drive = val;
> +		of_property_read_u32(np, "st,sample-time", &ts->sample_time);
> +		of_property_read_u32(np, "st,mod-12b", &ts->mod_12b);
> +		of_property_read_u32(np, "st,ref-sel", &ts->ref_sel);
> +		of_property_read_u32(np, "st,adc-freq", &ts->adc_freq);
> +		of_property_read_u32(np, "st,ave-ctrl", &ts->ave_ctrl);
> +		of_property_read_u32(np, "st,touch-det-delay",
> +						&ts->touch_det_delay);
> +		of_property_read_u32(np, "st,settling", &ts->settling = val);
> +		of_property_read_u32(np, "st,fraction-z", &ts->fraction_z);
> +		of_property_read_u32(np, "st,i-drive", &ts->i_drive);

NAK.

You just broke it, all the pointers you passed were of type u8 *..

-- 
viresh
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