[PATCH 1/2] fixup! net/macb: Adding comments to various #defs to make interpretation easier
From: Xander Huff
Date: Wed Jan 14 2015 - 15:21:42 EST
Signed-off-by: Xander Huff <xander.huff@xxxxxx>
---
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 linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/