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| author | Simon Glass <sjg@chromium.org> | 2014-09-15 06:33:23 -0600 |
|---|---|---|
| committer | Simon Glass <sjg@chromium.org> | 2014-09-26 15:01:15 -0600 |
| commit | 248a0488bfbb2eb16dee408a976d5f4b5546bb51 (patch) | |
| tree | 37d4e38ceef1747df194bab1e6ddef77a9496d00 /include/spi.h | |
| parent | df3b23ae3a7bb0627d595e6139ea43655d5acaa4 (diff) | |
| download | u-boot-imx-248a0488bfbb2eb16dee408a976d5f4b5546bb51.zip u-boot-imx-248a0488bfbb2eb16dee408a976d5f4b5546bb51.tar.gz u-boot-imx-248a0488bfbb2eb16dee408a976d5f4b5546bb51.tar.bz2 | |
spi: Add brackets and tidy defines in spi.h
Some of the #defines in spi.h are not bracketed. To avoid future mistakes
add brackets. Also add an explanatory comment for SPI_CONN_DUAL_...
Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Jagannadha Sutradharudu Teki <jaganna@xilinx.com>
Diffstat (limited to 'include/spi.h')
| -rw-r--r-- | include/spi.h | 24 |
1 files changed, 12 insertions, 12 deletions
diff --git a/include/spi.h b/include/spi.h index ffd6647..b673be2 100644 --- a/include/spi.h +++ b/include/spi.h @@ -30,24 +30,24 @@ #define SPI_XFER_MMAP 0x08 /* Memory Mapped start */ #define SPI_XFER_MMAP_END 0x10 /* Memory Mapped End */ #define SPI_XFER_ONCE (SPI_XFER_BEGIN | SPI_XFER_END) -#define SPI_XFER_U_PAGE (1 << 5) +#define SPI_XFER_U_PAGE (1 << 5) /* SPI TX operation modes */ -#define SPI_OPM_TX_QPP 1 << 0 +#define SPI_OPM_TX_QPP (1 << 0) /* SPI RX operation modes */ -#define SPI_OPM_RX_AS 1 << 0 -#define SPI_OPM_RX_DOUT 1 << 1 -#define SPI_OPM_RX_DIO 1 << 2 -#define SPI_OPM_RX_QOF 1 << 3 -#define SPI_OPM_RX_QIOF 1 << 4 -#define SPI_OPM_RX_EXTN SPI_OPM_RX_AS | SPI_OPM_RX_DOUT | \ +#define SPI_OPM_RX_AS (1 << 0) +#define SPI_OPM_RX_DOUT (1 << 1) +#define SPI_OPM_RX_DIO (1 << 2) +#define SPI_OPM_RX_QOF (1 << 3) +#define SPI_OPM_RX_QIOF (1 << 4) +#define SPI_OPM_RX_EXTN (SPI_OPM_RX_AS | SPI_OPM_RX_DOUT | \ SPI_OPM_RX_DIO | SPI_OPM_RX_QOF | \ - SPI_OPM_RX_QIOF + SPI_OPM_RX_QIOF) -/* SPI bus connection options */ -#define SPI_CONN_DUAL_SHARED 1 << 0 -#define SPI_CONN_DUAL_SEPARATED 1 << 1 +/* SPI bus connection options - see enum spi_dual_flash */ +#define SPI_CONN_DUAL_SHARED (1 << 0) +#define SPI_CONN_DUAL_SEPARATED (1 << 1) /* Header byte that marks the start of the message */ #define SPI_PREAMBLE_END_BYTE 0xec |