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From: LABBE Corentin <clabbe.montjoie-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
To: Jamie Lentin <jm-Pj/HzkgeCk7QXOPxS62xeg@public.gmane.org>
Cc: Andrew Lunn <andrew-g2DYL2Zd6BY@public.gmane.org>,
	Arnd Bergmann <arnd-r2nGTMty4D4@public.gmane.org>,
	Rob Herring <robh-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>,
	Vivien Didelot
	<vivien.didelot-4ysUXcep3aM1wj+D4I0NRVaTQe2KTcn/@public.gmane.org>,
	Jason Cooper <jason-NLaQJdtUoK4Be96aLqz0jA@public.gmane.org>,
	Sebastian Hesselbarth
	<sebastian.hesselbarth-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>,
	Gregory Clement
	<gregory.clement-wi1+55ScJUtKEb57/3fJTNBPR1lH4CV8@public.gmane.org>,
	Imre Kaloz <kaloz-p3rKhJxN3npAfugRpC6u6w@public.gmane.org>,
	devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
	linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org
Subject: Re: [PATCH 2/8] arm: orion5x: Add clk support for mv88f5181
Date: Fri, 26 Aug 2016 13:34:37 +0200	[thread overview]
Message-ID: <20160826113437.GA12692@Red> (raw)
In-Reply-To: <1472203264-21089-3-git-send-email-jm-Pj/HzkgeCk7QXOPxS62xeg@public.gmane.org>

Hello

I have some minor comments below

[...]
> +
> +static u32 __init mv88f5181_get_tclk_freq(void __iomem *sar)
> +{
> +	u32 opt = (readl(sar) >> SAR_MV88F5181_TCLK_FREQ) &
> +		SAR_MV88F5181_TCLK_FREQ_MASK;

Checkpatch complain about a missing blank line after declaration.
And spliting the read and the & operation will prevent this line breaking

> +	if (opt == 0)
> +		return 133333333;
> +	else if (opt == 1)
> +		return 150000000;
> +	else if (opt == 2)
> +		return 166666667;
> +	else
> +		return 0;
> +}

Why not using a switch here ?

> +
> +#define SAR_MV88F5181_CPU_FREQ       4
> +#define SAR_MV88F5181_CPU_FREQ_MASK  0xf
> +
> +static u32 __init mv88f5181_get_cpu_freq(void __iomem *sar)
> +{
> +	u32 opt = (readl(sar) >> SAR_MV88F5181_CPU_FREQ) &
> +		SAR_MV88F5181_CPU_FREQ_MASK;
> +	if (opt == 0)
> +		return 333333333;
> +	else if (opt == 1 || opt == 2)
> +		return 400000000;
> +	else if (opt == 3)
> +		return 500000000;
> +	else
> +		return 0;
> +}

Same comments

> +
> +static void __init mv88f5181_get_clk_ratio(void __iomem *sar, int id,
> +					   int *mult, int *div)
> +{
> +	u32 opt = (readl(sar) >> SAR_MV88F5181_CPU_FREQ) &
> +		SAR_MV88F5181_CPU_FREQ_MASK;
> +	if (opt == 0 || opt == 1) {
> +		*mult = 1;
> +		*div  = 2;
> +	} else if (opt == 2 || opt == 3) {
> +		*mult = 1;
> +		*div  = 3;
> +	} else {
> +		*mult = 0;
> +		*div  = 1;
> +	}
> +}

Same comments

Regards

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  parent reply	other threads:[~2016-08-26 11:34 UTC|newest]

Thread overview: 72+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-07-16 14:28 [PATCH v0 00/10] Convert Netgear WNR854T to devicetree Jamie Lentin
2016-07-16 14:28 ` [PATCH v0 01/10] arm: orion5x: Add required properties for orion-wdt to DT node Jamie Lentin
2016-07-16 16:03   ` Andrew Lunn
2016-07-16 14:29 ` [PATCH v0 02/10] arm: orion5x: Add documentation for SoC and board bindings Jamie Lentin
     [not found]   ` <1468679348-10522-3-git-send-email-jm-Pj/HzkgeCk7QXOPxS62xeg@public.gmane.org>
2016-07-16 16:05     ` Andrew Lunn
2016-07-17 20:35     ` Rob Herring
2016-07-16 14:29 ` [PATCH v0 03/10] arm: orion5x: Add clk support for mv88f5181 Jamie Lentin
     [not found]   ` <1468679348-10522-4-git-send-email-jm-Pj/HzkgeCk7QXOPxS62xeg@public.gmane.org>
2016-07-16 16:10     ` Andrew Lunn
2016-07-16 17:34     ` Sergei Shtylyov
2016-07-17 20:36     ` Rob Herring
2016-07-16 14:29 ` [PATCH v0 04/10] arm: orion5x: Generalise mv88f5181l pinctrl support for 88f5181 Jamie Lentin
2016-07-16 16:15   ` Andrew Lunn
     [not found]   ` <1468679348-10522-5-git-send-email-jm-Pj/HzkgeCk7QXOPxS62xeg@public.gmane.org>
2016-07-17 20:40     ` Rob Herring
2016-07-16 14:29 ` [PATCH v0 05/10] arm: orion5x: Add DT include for mv88f5181 Jamie Lentin
     [not found]   ` <1468679348-10522-6-git-send-email-jm-Pj/HzkgeCk7QXOPxS62xeg@public.gmane.org>
2016-07-16 16:17     ` Andrew Lunn
2016-07-17 20:41   ` Rob Herring
2016-07-16 14:29 ` [PATCH v0 06/10] arm: orion5x: Add DT-based support for Netgear WNR854T Jamie Lentin
     [not found]   ` <1468679348-10522-7-git-send-email-jm-Pj/HzkgeCk7QXOPxS62xeg@public.gmane.org>
2016-07-16 16:34     ` Andrew Lunn
2016-07-16 16:39   ` Andrew Lunn
2016-07-16 19:10   ` Arnd Bergmann
2016-07-17  9:39     ` Jamie Lentin
2016-07-17 20:41       ` Arnd Bergmann
2016-07-18  9:44         ` Thomas Petazzoni
2016-07-18 10:06           ` Arnd Bergmann
2016-07-19  9:40             ` Jamie Lentin
2016-07-19  9:46               ` Arnd Bergmann
2016-07-17 20:51   ` Rob Herring
2016-07-19  9:46     ` Jamie Lentin
2016-07-16 14:29 ` [PATCH v0 07/10] arm: orion5x: Remove old non-DT-based WNR854T support Jamie Lentin
2016-07-16 16:36   ` Andrew Lunn
2016-07-16 14:29 ` [PATCH v0 08/10] net: phy: Try looking for a phy-handle property to find the OF node Jamie Lentin
2016-07-16 16:44   ` Andrew Lunn
2016-07-16 14:29 ` [PATCH v0 09/10] net: phy: Re-attempt custom DT configuration after configuration Jamie Lentin
     [not found]   ` <1468679348-10522-10-git-send-email-jm-Pj/HzkgeCk7QXOPxS62xeg@public.gmane.org>
2016-07-16 16:44     ` Andrew Lunn
2016-07-16 14:29 ` [PATCH v0 10/10] arm: orion5x: Configure Netgear WNR854T network port LEDs Jamie Lentin
     [not found] ` <1468679348-10522-1-git-send-email-jm-Pj/HzkgeCk7QXOPxS62xeg@public.gmane.org>
2016-08-26  9:20   ` [PATCH 0/8] Convert Netgear WNR854T to devicetree Jamie Lentin
     [not found]     ` <1472203264-21089-1-git-send-email-jm-Pj/HzkgeCk7QXOPxS62xeg@public.gmane.org>
2016-08-26  9:20       ` [PATCH 1/8] arm: orion5x: Add documentation for SoC and board bindings Jamie Lentin
2016-08-26  9:20       ` [PATCH 2/8] arm: orion5x: Add clk support for mv88f5181 Jamie Lentin
     [not found]         ` <1472203264-21089-3-git-send-email-jm-Pj/HzkgeCk7QXOPxS62xeg@public.gmane.org>
2016-08-26 11:34           ` LABBE Corentin [this message]
2016-08-26 12:24             ` Jamie Lentin
2016-08-26 14:24               ` Andrew Lunn
2016-08-26  9:20       ` [PATCH 3/8] arm: orion5x: Generalise mv88f5181l pinctrl support for 88f5181 Jamie Lentin
2016-08-26  9:21       ` [PATCH 4/8] arm: orion5x: Alias uart0 to serial0 for all orion5x Jamie Lentin
     [not found]         ` <1472203264-21089-5-git-send-email-jm-Pj/HzkgeCk7QXOPxS62xeg@public.gmane.org>
2016-08-26 14:54           ` Andrew Lunn
2016-09-12 21:12           ` Arnd Bergmann
2016-08-26  9:21       ` [PATCH 5/8] arm: orion5x: Add DT include for mv88f5181 Jamie Lentin
     [not found]         ` <1472203264-21089-6-git-send-email-jm-Pj/HzkgeCk7QXOPxS62xeg@public.gmane.org>
2016-08-26 14:55           ` Andrew Lunn
2016-08-31 15:15           ` Rob Herring
2016-08-26  9:21       ` [PATCH 6/8] arm: orion5x: Add DT-based support for Netgear WNR854T Jamie Lentin
     [not found]         ` <1472203264-21089-7-git-send-email-jm-Pj/HzkgeCk7QXOPxS62xeg@public.gmane.org>
2016-08-31 15:26           ` Rob Herring
2016-09-05 21:07           ` [PATCH 6/8 v2] " Jamie Lentin
     [not found]             ` <1473109646-23366-1-git-send-email-jm-Pj/HzkgeCk7QXOPxS62xeg@public.gmane.org>
2016-09-08 12:41               ` Gregory CLEMENT
     [not found]                 ` <87d1kebm2o.fsf-wi1+55ScJUtKEb57/3fJTNBPR1lH4CV8@public.gmane.org>
2016-09-08 16:47                   ` Jamie Lentin
2016-09-12 17:06             ` Rob Herring
2016-09-12 21:13               ` Arnd Bergmann
2016-09-12 21:19                 ` Arnd Bergmann
2016-09-12 22:03                 ` Andrew Lunn
     [not found]                   ` <20160912220344.GM11400-g2DYL2Zd6BY@public.gmane.org>
2016-09-13  9:10                     ` Jamie Lentin
     [not found]                       ` <88e40f0c6cafec244dc16af5a03cfb44-SBYVURHw+sBNwP/n92qj9LVCufUGDwFn@public.gmane.org>
2016-09-13 12:36                         ` Andrew Lunn
     [not found]                           ` <20160913123639.GB15332-g2DYL2Zd6BY@public.gmane.org>
2016-09-13 14:15                             ` Jamie Lentin
     [not found]                               ` <b7d442f9d26249976d7698b6a32db2a3-SBYVURHw+sBNwP/n92qj9LVCufUGDwFn@public.gmane.org>
2016-09-13 19:16                                 ` Gregory CLEMENT
     [not found]                                   ` <87r38nehkj.fsf-wi1+55ScJUtKEb57/3fJTNBPR1lH4CV8@public.gmane.org>
2016-09-13 20:39                                     ` Arnd Bergmann
2016-08-26  9:21       ` [PATCH 7/8] arm: orion5x: Remove old non-DT-based WNR854T support Jamie Lentin
     [not found]         ` <1472203264-21089-8-git-send-email-jm-Pj/HzkgeCk7QXOPxS62xeg@public.gmane.org>
2016-08-26 14:59           ` Andrew Lunn
2016-08-26  9:21       ` [PATCH 8/8] arm: orion5x: Configure WNR854T ethernet PHY LEDs Jamie Lentin
     [not found]         ` <1472203264-21089-9-git-send-email-jm-Pj/HzkgeCk7QXOPxS62xeg@public.gmane.org>
2016-08-26 15:05           ` Andrew Lunn
2016-08-26 15:05           ` Andrew Lunn
2016-08-26 12:09     ` [PATCH 0/8] Convert Netgear WNR854T to devicetree Imre Kaloz
2016-08-26 12:56       ` Jamie Lentin
     [not found]         ` <alpine.DEB.2.11.1608261325310.19980-5X291BYdrx55rAo4AelP/Ydd74u8MsAO@public.gmane.org>
2016-08-26 14:33           ` Andrew Lunn
2016-08-26 16:50             ` Jamie Lentin
     [not found]               ` <alpine.DEB.2.11.1608261703460.19980-5X291BYdrx55rAo4AelP/Ydd74u8MsAO@public.gmane.org>
2016-08-26 20:30                 ` Imre Kaloz

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