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Message-Id: <1421266881-17314-1-git-send-email-xander.huff@ni.com> Date: Wed, 14 Jan 2015 14:21:20 -0600 From: Xander Huff <xander.huff@...com> To: nicolas.ferre@...el.com, netdev@...r.kernel.org, davem@...emloft.net Cc: jaeden.amero@...com, rich.tollerton@...com, ben.shelton@...com, brad.mouring@...com, linux-kernel@...r.kernel.org, cyrille.pitchen@...el.com, Xander Huff <xander.huff@...com> Subject: [PATCH 1/2] fixup! net/macb: Adding comments to various #defs to make interpretation easier 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
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