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[U-Boot,05/25] spi: Add brackets and tidy defines in spi.h

Message ID 1405385792-4469-6-git-send-email-sjg@chromium.org
State Superseded
Delegated to: Jagannadha Sutradharudu Teki
Headers show

Commit Message

Simon Glass July 15, 2014, 12:56 a.m. UTC
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>
---

 include/spi.h | 24 ++++++++++++------------
 1 file changed, 12 insertions(+), 12 deletions(-)

Comments

Jagan Teki Aug. 25, 2014, 9:34 a.m. UTC | #1
Thanks for the patch.

On 15 July 2014 06:26, Simon Glass <sjg@chromium.org> wrote:
> 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>
> ---
>
>  include/spi.h | 24 ++++++++++++------------
>  1 file 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
> --
> 2.0.0.526.g5318336
>

Reviewed-by: Jagannadha Sutradharudu Teki <jaganna@xilinx.com>

thanks!
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Patch

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