[U-Boot] [PATCH 7/8] spi: Use BIT macro
Jagan Teki
jteki at openedev.com
Wed Dec 16 16:40:46 CET 2015
Used BIT macro like 1 << nr as BIT(nr) where nr is 0...n
Cc: Simon Glass <sjg at chromium.org>
Cc: Bin Meng <bmeng.cn at gmail.com>
Cc: Michal Simek <michal.simek at xilinx.com>
Cc: Siva Durga Prasad Paladugu <sivadur at xilinx.com>
Signed-off-by: Jagan Teki <jteki at openedev.com>
---
include/spi.h | 38 +++++++++++++++++++-------------------
1 file changed, 19 insertions(+), 19 deletions(-)
diff --git a/include/spi.h b/include/spi.h
index 526e870..ca1ea3b 100644
--- a/include/spi.h
+++ b/include/spi.h
@@ -87,25 +87,25 @@ struct spi_slave {
unsigned int cs;
#endif
uint mode;
-#define SPI_CPHA 0x01 /* clock phase */
-#define SPI_CPOL 0x02 /* clock polarity */
+#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 0x04 /* CS active high */
-#define SPI_LSB_FIRST 0x08 /* per-word bits-on-wire */
-#define SPI_3WIRE 0x10 /* SI/SO signals shared */
-#define SPI_LOOP 0x20 /* loopback mode */
-#define SPI_SLAVE 0x40 /* slave mode */
-#define SPI_PREAMBLE 0x80 /* Skip preamble bytes */
-#define SPI_TX_BYTE 0x100 /* transmit with 1 wire byte */
-#define SPI_TX_QUAD 0x200 /* transmit with 4 wires */
+#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 */
u8 mode_rx;
-#define SPI_RX_SLOW (1 << 0)
-#define SPI_RX_FAST (1 << 1)
-#define SPI_RX_DUAL (1 << 2)
-#define SPI_RX_QUAD (1 << 4)
+#define SPI_RX_SLOW BIT(0)
+#define SPI_RX_FAST BIT(1)
+#define SPI_RX_DUAL BIT(2)
+#define SPI_RX_QUAD BIT(4)
unsigned int wordlen;
unsigned int max_write_size;
@@ -113,12 +113,12 @@ struct spi_slave {
u8 option;
u8 flags;
-#define SPI_XFER_BEGIN 0x01 /* Assert CS before transfer */
-#define SPI_XFER_END 0x02 /* Deassert CS after transfer */
+#define SPI_XFER_BEGIN BIT(0) /* Assert CS before transfer */
+#define SPI_XFER_END BIT(1) /* Deassert CS after transfer */
#define SPI_XFER_ONCE (SPI_XFER_BEGIN | SPI_XFER_END)
-#define SPI_XFER_MMAP 0x04 /* Memory Mapped start */
-#define SPI_XFER_MMAP_END 0x08 /* Memory Mapped End */
-#define SPI_XFER_U_PAGE 0x10
+#define SPI_XFER_MMAP BIT(2) /* Memory Mapped start */
+#define SPI_XFER_MMAP_END BIT(3) /* Memory Mapped End */
+#define SPI_XFER_U_PAGE BIT(4)
};
/**
--
1.9.1
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