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Message-ID: <063D6719AE5E284EB5DD2968C1650D6D1CAC999F@AcuExch.aculab.com> Date: Thu, 15 Jan 2015 11:46:04 +0000 From: David Laight <David.Laight@...LAB.COM> To: 'Xander Huff' <xander.huff@...com>, "davem@...emloft.net" <davem@...emloft.net>, "nicolas.ferre@...el.com" <nicolas.ferre@...el.com> CC: "netdev@...r.kernel.org" <netdev@...r.kernel.org>, "jaeden.amero@...com" <jaeden.amero@...com>, "rich.tollerton@...com" <rich.tollerton@...com>, "ben.shelton@...com" <ben.shelton@...com>, "brad.mouring@...com" <brad.mouring@...com>, "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>, "cyrille.pitchen@...el.com" <cyrille.pitchen@...el.com> Subject: RE: [PATCH v2 1/2] fixup! net/macb: Adding comments to various #defs to make interpretation easier From: Xander Huff > Put #define comments into a single line. Breaks the 80 char limit. I suspect the definitions could be made to fit by judicial editing. But that probably requires knowing exactly what the comments mean. David > Signed-off-by: Xander Huff <xander.huff@...com> > --- > drivers/net/ethernet/cadence/macb.h | 107 +++++++++--------------------------- > 1 file changed, 26 insertions(+), 81 deletions(-) > > diff --git a/drivers/net/ethernet/cadence/macb.h b/drivers/net/ethernet/cadence/macb.h > index 378b218..d7b93d0 100644 > --- a/drivers/net/ethernet/cadence/macb.h > +++ b/drivers/net/ethernet/cadence/macb.h > @@ -275,9 +275,7 @@ > #define MACB_THALT_SIZE 1 > #define MACB_NCR_TPF_OFFSET 11 /* Transmit pause frame */ > #define MACB_NCR_TPF_SIZE 1 > -#define MACB_TZQ_OFFSET 12 /* Transmit zero quantum > - * pause frame > - */ > +#define MACB_TZQ_OFFSET 12 /* Transmit zero quantum pause frame */ > #define MACB_TZQ_SIZE 1 > > /* Bitfields in NCFGR */ > @@ -299,9 +297,7 @@ > #define MACB_UNI_SIZE 1 > #define MACB_BIG_OFFSET 8 /* Receive 1536 byte frames */ > #define MACB_BIG_SIZE 1 > -#define MACB_EAE_OFFSET 9 /* External address match > - * enable > - */ > +#define MACB_EAE_OFFSET 9 /* External address match enable */ > #define MACB_EAE_SIZE 1 > #define MACB_CLK_OFFSET 10 > #define MACB_CLK_SIZE 2 > @@ -313,9 +309,7 @@ > #define MACB_RM9200_RMII_SIZE 1 /* AT91RM9200 only */ > #define MACB_RBOF_OFFSET 14 /* Receive buffer offset */ > #define MACB_RBOF_SIZE 2 > -#define MACB_RLCE_OFFSET 16 /* Length field error frame > - * discard > - */ > +#define MACB_RLCE_OFFSET 16 /* Length field error frame discard */ > #define MACB_RLCE_SIZE 1 > #define MACB_DRFCS_OFFSET 17 /* FCS remove */ > #define MACB_DRFCS_SIZE 1 > @@ -335,41 +329,22 @@ > #define GEM_RXCOEN_SIZE 1 > > /* Constants for data bus width. */ > -#define GEM_DBW32 0 /* 32 bit AMBA AHB data bus > - * width > - */ > -#define GEM_DBW64 1 /* 64 bit AMBA AHB data bus > - * width > - */ > -#define GEM_DBW128 2 /* 128 bit AMBA AHB data bus > - * width > - */ > +#define GEM_DBW32 0 /* 32 bit AMBA AHB data bus width */ > +#define GEM_DBW64 1 /* 64 bit AMBA AHB data bus width */ > +#define GEM_DBW128 2 /* 128 bit AMBA AHB data bus width */ > > /* Bitfields in DMACFG. */ > -#define GEM_FBLDO_OFFSET 0 /* AHB fixed burst length for > - * DMA data operations > - */ > +#define GEM_FBLDO_OFFSET 0 /* AHB fixed burst length for DMA data operations */ > #define GEM_FBLDO_SIZE 5 > -#define GEM_ENDIA_OFFSET 7 /* AHB endian swap mode enable > - * for packet data accesses > - */ > +#define GEM_ENDIA_OFFSET 7 /* AHB endian swap mode enable for packet data accesses */ > #define GEM_ENDIA_SIZE 1 > -#define GEM_RXBMS_OFFSET 8 /* Receiver packet buffer > - * memory size select > - */ > +#define GEM_RXBMS_OFFSET 8 /* Receiver packet buffer memory size select */ > #define GEM_RXBMS_SIZE 2 > -#define GEM_TXPBMS_OFFSET 10 /* Transmitter packet buffer > - * memory size select > - */ > +#define GEM_TXPBMS_OFFSET 10 /* Transmitter packet buffer memory size select */ > #define GEM_TXPBMS_SIZE 1 > -#define GEM_TXCOEN_OFFSET 11 /* Transmitter IP, TCP and > - * UDP checksum generation > - * offload enable > - */ > +#define GEM_TXCOEN_OFFSET 11 /* Transmitter IP, TCP and UDP checksum generation > offload enable */ > #define GEM_TXCOEN_SIZE 1 > -#define GEM_RXBS_OFFSET 16 /* DMA receive buffer size in > - * AHB system memory > - */ > +#define GEM_RXBS_OFFSET 16 /* DMA receive buffer size in AHB system memory */ > #define GEM_RXBS_SIZE 8 > #define GEM_DDRP_OFFSET 24 /* disc_when_no_ahb */ > #define GEM_DDRP_SIZE 1 > @@ -378,13 +353,9 @@ > /* Bitfields in NSR */ > #define MACB_NSR_LINK_OFFSET 0 /* pcs_link_state */ > #define MACB_NSR_LINK_SIZE 1 > -#define MACB_MDIO_OFFSET 1 /* status of the mdio_in > - * pin > - */ > +#define MACB_MDIO_OFFSET 1 /* status of the mdio_in pin */ > #define MACB_MDIO_SIZE 1 > -#define MACB_IDLE_OFFSET 2 /* The PHY management logic is > - * idle (i.e. has completed) > - */ > +#define MACB_IDLE_OFFSET 2 /* The PHY management logic is idle (i.e. has completed) > */ > #define MACB_IDLE_SIZE 1 > > /* Bitfields in TSR */ > @@ -396,9 +367,7 @@ > #define MACB_TSR_RLE_SIZE 1 > #define MACB_TGO_OFFSET 3 /* Transmit go */ > #define MACB_TGO_SIZE 1 > -#define MACB_BEX_OFFSET 4 /* Transmit frame corruption > - * due to AHB error > - */ > +#define MACB_BEX_OFFSET 4 /* Transmit frame corruption due to AHB error */ > #define MACB_BEX_SIZE 1 > #define MACB_RM9200_BNQ_OFFSET 4 /* AT91RM9200 only */ > #define MACB_RM9200_BNQ_SIZE 1 /* AT91RM9200 only */ > @@ -424,43 +393,23 @@ > #define MACB_RXUBR_SIZE 1 > #define MACB_TXUBR_OFFSET 3 /* TX used bit read */ > #define MACB_TXUBR_SIZE 1 > -#define MACB_ISR_TUND_OFFSET 4 /* Enable trnasmit buffer > - * under run interrupt > - */ > +#define MACB_ISR_TUND_OFFSET 4 /* Enable trnasmit buffer under run interrupt */ > #define MACB_ISR_TUND_SIZE 1 > -#define MACB_ISR_RLE_OFFSET 5 /* Enable retry limit exceeded > - * or late collision interrupt > - */ > +#define MACB_ISR_RLE_OFFSET 5 /* Enable retry limit exceeded or late collision interrupt > */ > #define MACB_ISR_RLE_SIZE 1 > -#define MACB_TXERR_OFFSET 6 /* Enable transmit frame > - * corruption due to AHB error > - * interrupt > - */ > +#define MACB_TXERR_OFFSET 6 /* Enable transmit frame corruption due to AHB error > interrupt */ > #define MACB_TXERR_SIZE 1 > -#define MACB_TCOMP_OFFSET 7 /* Enable transmit complete > - * interrupt > - */ > +#define MACB_TCOMP_OFFSET 7 /* Enable transmit complete interrupt */ > #define MACB_TCOMP_SIZE 1 > -#define MACB_ISR_LINK_OFFSET 9 /* Enable link change > - * interrupt > - */ > +#define MACB_ISR_LINK_OFFSET 9 /* Enable link change interrupt */ > #define MACB_ISR_LINK_SIZE 1 > -#define MACB_ISR_ROVR_OFFSET 10 /* Enable receive overrun > - * interrupt > - */ > +#define MACB_ISR_ROVR_OFFSET 10 /* Enable receive overrun interrupt */ > #define MACB_ISR_ROVR_SIZE 1 > -#define MACB_HRESP_OFFSET 11 /* Enable hrsep not OK > - * interrupt > - */ > +#define MACB_HRESP_OFFSET 11 /* Enable hrsep not OK interrupt */ > #define MACB_HRESP_SIZE 1 > -#define MACB_PFR_OFFSET 12 /* Enable pause frame with > - * non-zero pause quantum > - * interrupt > - */ > +#define MACB_PFR_OFFSET 12 /* Enable pause frame with non-zero pause quantum > interrupt */ > #define MACB_PFR_SIZE 1 > -#define MACB_PTZ_OFFSET 13 /* Enable pause time zero > - * interrupt > - */ > +#define MACB_PTZ_OFFSET 13 /* Enable pause time zero interrupt */ > #define MACB_PTZ_SIZE 1 > > /* Bitfields in MAN */ > @@ -472,13 +421,9 @@ > #define MACB_REGA_SIZE 5 > #define MACB_PHYA_OFFSET 23 /* PHY address */ > #define MACB_PHYA_SIZE 5 > -#define MACB_RW_OFFSET 28 /* Operation. 10 is read. 01 > - * is write. > - */ > +#define MACB_RW_OFFSET 28 /* Operation. 10 is read. 01 is write. */ > #define MACB_RW_SIZE 2 > -#define MACB_SOF_OFFSET 30 /* Must be written to 1 for > - * Clause 22 operation > - */ > +#define MACB_SOF_OFFSET 30 /* Must be written to 1 for Clause 22 operation */ > #define MACB_SOF_SIZE 2 > > /* Bitfields in USRIO (AVR32) */ > -- > 1.9.1 > > -- > To unsubscribe from this list: send the line "unsubscribe netdev" in > the body of a message to majordomo@...r.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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