linux-kernel - Re: [Patch v8] driver/clk/clk-si5338: Add common clock framework driver for si5338

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Message-ID: <AM4PR0401MB173245474074F2BE98C1BA249AEA0@AM4PR0401MB1732.eurprd04.prod.outlook.com>
Date:   Wed, 24 Aug 2016 16:32:24 +0000
From:   york sun <york.sun@....com>
To:     Stephen Boyd <sboyd@...eaurora.org>,
        kbuild test robot <lkp@...el.com>
CC:     "kbuild-all@...org" <kbuild-all@...org>,
        "linux-clk@...r.kernel.org" <linux-clk@...r.kernel.org>,
        York Sun <yorksun@...escale.com>,
        Mike Turquette <mturquette@...libre.com>,
        Sebastian Hesselbarth <sebastian.hesselbarth@...il.com>,
        Guenter Roeck <linux@...ck-us.net>,
        "Andrey Filippov" <andrey@...hel.com>,
        Paul Bolle <pebolle@...cali.nl>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        "devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [Patch v8] driver/clk/clk-si5338: Add common clock framework
 driver for si5338

On 08/23/2016 09:48 PM, Stephen Boyd wrote:
> On 08/24, kbuild test robot wrote:
>>
>>   2827		if (drv_type < 0)
>>   2828			return drv_type;
>>   2829	
>>   2830		drv_vdd =  get_drv_vdd(drvdata, i);
>>   2831		if (drv_vdd < 0)
>>   2832			return drv_vdd;
>>   2833	
>>   2834		drv_trim = get_drv_trim(drvdata, i);
>>   2835		if (drv_trim < 0)
>>   2836			return drv_trim;
>>   2837	
>>   2838		drv_invert = get_drv_invert(drvdata, i);
>>   2839		if (drv_invert < 0)
>>   2840			return drv_invert;
>>   2841	
>>   2842		for (j = 0; drv_configs[j].description; j++) {
>>> 2843			if (drv_configs[j].fmt == drv_type &&
>>   2844			    drv_configs[j].vdd == drv_vdd &&
>>   2845			    drv_configs[j].trim == drv_trim &&
>>   2846			    (drv_invert | (drv_configs[j].invert >> 2)) ==
>>   2847				((drv_configs[j].invert & 3) |
>>   2848				 (drv_configs[j].invert>>2)))
>
> It might be better to write it as a set of continues instead so
> that it isn't one complicated conditional
>
> 				config = &drv_configs[j];
> 				if (config->fmt != drv_type)
> 					continue;
> 				if (config->vdd != drv_vdd)
> 					continue;
> 				...
> 				seq_puts()
> 				match = 1;
> 				break;
> 				

Stephen,

Thanks for the suggestion. I will send an update.

York