linux-kernel - Re: [PATCH v2] mfd: rtsx: Modify rts5249_optimize

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Message-ID: <20130910072925.GA1456@lee--X1>
Date:	Tue, 10 Sep 2013 08:29:25 +0100
From:	Lee Jones <lee.jones@...aro.org>
To:	wwang <wei_wang@...lsil.com.cn>
Cc:	sameo@...ux.intel.com, devel@...uxdriverproject.org,
	linux-kernel@...r.kernel.org, gregkh@...uxfoundation.org,
	rogerable@...ltek.com, micky_ching@...lsil.com.cn
Subject: Re: [PATCH v2] mfd: rtsx: Modify rts5249_optimize_phy

On Tue, 10 Sep 2013, wwang wrote:

> 于 2013年09月09日 21:02, Lee Jones 写道:
> >>  #define PHY_FLD4			0x1E
> >>>+#define  FLDEN_SEL			0x4000
> >>>+#define  REQ_REF			0x2000
> >>>+#define  RXAMP_OFF			0x1000
> >>>+#define  REQ_ADDA			0x0800
> >>>+#define  BER_COUNT			0x00E0
> >>>+#define  BER_TIMER			0x000A
> >>>+#define  BER_CHK_EN			0x0001
> >>>  #define PHY_DUM_REG			0x1F
> >>>  >  #define LCTLR				0x80
> >This doesn't look right.
> >
> >We had a nicely structured, ordered list and now you've seemingly
> >randomly shoved a truck load of un-prefixed defines between them.
> >
> >Am I missing something? Is there method to the madness?
> 
> Are you suggesting that I should define the macros using the same
> prefix like below?
> 
> #define PHY_FLD4                        0x1E
> #define   FLD4_FLDEN_SEL          0x4000
> #define   FLD4_REQ_REF              0x2000
> #define   FLD4_RXAMP_OFF        0x1000

Ah good, so there was at least some kind of method there. :)

Yes I am, but make them seperate, so perhaps:

/* Phy registers */
 #define PHY_PCR                        0x00
 #define PHY_RCR0                       0x01
 #define PHY_RCR1                       0x02
 #define PHY_RCR2                       0x03

<snip>

+/* Phy bits */
+#define  PHY_PCR_FORCE_CODE            0xB000
+#define  PHY_PCR_OOBS_CALI_50          0x0800
+#define  PHY_PCR_OOBS_VCM_08           0x0200
+#define  PHY_PCR_OOBS_SEN_90           0x0040
+#define  PHY_PCR_RSSI_EN               0x0002

+#define  PHY_RCR1_ADP_TIME             0x0100
+#define  PHY_RCR1_VCO_COARSE           0x001F

+#define  PHY_RCR2_EMPHASE_EN           0x8000
+#define  PHY_RCR2_NADJR                0x4000
+#define  PHY_RCR2_CDR_CP_10            0x0400
+#define  PHY_RCR2_CDR_SR_2             0x0100
+#define  PHY_RCR2_FREQSEL_12           0x0040
+#define  PHY_RCR2_CPADJEN              0x0020
+#define  PHY_RCR2_CDR_SC_8             0x0008
+#define  PHY_RCR2_CALIB_LATE           0x0002

-- 
Lee Jones
Linaro STMicroelectronics Landing Team Lead
Linaro.org │ Open source software for ARM SoCs
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