spi: Minor cleanup

- Add comments on mode_rx
- Tab space's

Cc: Simon Glass <sjg@chromium.org>
Cc: Michal Simek <michal.simek@xilinx.com>
Cc: Siva Durga Prasad Paladugu <sivadur@xilinx.com>
Tested-by: Mugunthan V N <mugunthanvnm@ti.com>
Tested-by: Bin Meng <bmeng.cn@gmail.com>
Tested-by: Jagan Teki <jteki@openedev.com>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Signed-off-by: Jagan Teki <jteki@openedev.com>

diff --git a/include/spi.h b/include/spi.h
index dbd0df89a72492fd4166a3cb6568c25012fe8580..80f85230765a7e75708754daf8dc3c93f4de1339 100644 (file)
--- a/include/spi.h
+++ b/include/spi.h
@@ -11,26 +11,26 @@
 #define _SPI_H_
 
 /* SPI mode flags */
-#define        SPI_CPHA        BIT(0)                  /* clock phase */
-#define        SPI_CPOL        BIT(1)                  /* clock polarity */
-#define        SPI_MODE_0      (0|0)                   /* (original MicroWire) */
-#define        SPI_MODE_1      (0|SPI_CPHA)
-#define        SPI_MODE_2      (SPI_CPOL|0)
-#define        SPI_MODE_3      (SPI_CPOL|SPI_CPHA)
-#define        SPI_CS_HIGH     BIT(2)                  /* CS active high */
-#define        SPI_LSB_FIRST   BIT(3)                  /* per-word bits-on-wire */
-#define        SPI_3WIRE       BIT(4)                  /* SI/SO signals shared */
-#define        SPI_LOOP        BIT(5)                  /* loopback mode */
-#define        SPI_SLAVE       BIT(6)                  /* slave mode */
-#define        SPI_PREAMBLE    BIT(7)                  /* Skip preamble bytes */
+#define SPI_CPHA       BIT(0)                  /* clock phase */
+#define SPI_CPOL       BIT(1)                  /* clock polarity */
+#define SPI_MODE_0     (0|0)                   /* (original MicroWire) */
+#define SPI_MODE_1     (0|SPI_CPHA)
+#define SPI_MODE_2     (SPI_CPOL|0)
+#define SPI_MODE_3     (SPI_CPOL|SPI_CPHA)
+#define SPI_CS_HIGH    BIT(2)                  /* CS active high */
+#define SPI_LSB_FIRST  BIT(3)                  /* per-word bits-on-wire */
+#define SPI_3WIRE      BIT(4)                  /* SI/SO signals shared */
+#define SPI_LOOP       BIT(5)                  /* loopback mode */
+#define SPI_SLAVE      BIT(6)                  /* slave mode */
+#define SPI_PREAMBLE   BIT(7)                  /* Skip preamble bytes */
 #define SPI_TX_BYTE    BIT(8)                  /* transmit with 1 wire byte */
 #define SPI_TX_QUAD    BIT(9)                  /* transmit with 4 wires */
 
 /* SPI mode_rx flags */
-#define SPI_RX_SLOW            BIT(0)
-#define SPI_RX_FAST            BIT(1)
-#define SPI_RX_DUAL            BIT(2)
-#define SPI_RX_QUAD            BIT(4)
+#define SPI_RX_SLOW    BIT(0)                  /* receive with 1 wire slow */
+#define SPI_RX_FAST    BIT(1)                  /* receive with 1 wire fast */
+#define SPI_RX_DUAL    BIT(2)                  /* receive with 2 wires */
+#define SPI_RX_QUAD    BIT(4)                  /* receive with 4 wires */
 
 /* SPI bus connection options - see enum spi_dual_flash */
 #define SPI_CONN_DUAL_SHARED           (1 << 0)