[U-Boot] [PATCH v2 3/5] spi: Use mode instead of op_mode_tx

[Bin Meng]

On Mon, Dec 14, 2015 at 2:57 PM, Jagan Teki <jteki at openedev.com> wrote:
> Used mode member from spi_slave{} instead of op_mode_tx.
>
> Cc: Bin Meng <bmeng.cn at gmail.com>
> Cc: Simon Glass <sjg at chromium.org>
> Signed-off-by: Jagan Teki <jteki at openedev.com>
> ---
> Changes for v2:
>         - none
>
>  drivers/mtd/spi/sf_probe.c  | 2 +-
>  drivers/mtd/spi/spi_flash.c | 4 ++--
>  drivers/spi/ich.c           | 2 +-
>  include/spi.h               | 8 ++------
>  4 files changed, 6 insertions(+), 10 deletions(-)
>
> diff --git a/drivers/mtd/spi/sf_probe.c b/drivers/mtd/spi/sf_probe.c
> index 0cafc29..3519ffd 100644
> --- a/drivers/mtd/spi/sf_probe.c
> +++ b/drivers/mtd/spi/sf_probe.c
> @@ -128,7 +128,7 @@ static int spi_flash_std_write(struct udevice *dev, u32 offset, size_t len,
>
>  #if defined(CONFIG_SPI_FLASH_SST)
>         if (flash->flags & SNOR_F_SST_WR) {
> -               if (flash->spi->op_mode_tx & SPI_OPM_TX_BP)
> +               if (flash->spi->mode & SPI_TX_BP)
>                         return sst_write_bp(flash, offset, len, buf);
>                 else
>                         return sst_write_wp(flash, offset, len, buf);
> diff --git a/drivers/mtd/spi/spi_flash.c b/drivers/mtd/spi/spi_flash.c
> index 30a381b..836aad9 100644
> --- a/drivers/mtd/spi/spi_flash.c
> +++ b/drivers/mtd/spi/spi_flash.c
> @@ -968,7 +968,7 @@ int spi_flash_scan(struct spi_flash *flash)
>         flash->write = spi_flash_cmd_write_ops;
>  #if defined(CONFIG_SPI_FLASH_SST)
>         if (flash->flags & SNOR_F_SST_WR) {
> -               if (spi->op_mode_tx & SPI_OPM_TX_BP)
> +               if (spi->mode & SPI_TX_BP)
>                         flash->write = sst_write_bp;
>                 else
>                         flash->write = sst_write_wp;
> @@ -1042,7 +1042,7 @@ int spi_flash_scan(struct spi_flash *flash)
>         }
>
>         /* Not require to look for fastest only two write cmds yet */
> -       if (params->flags & WR_QPP && spi->op_mode_tx & SPI_OPM_TX_QPP)
> +       if (params->flags & WR_QPP && spi->mode & SPI_TX_QPP)
>                 flash->write_cmd = CMD_QUAD_PAGE_PROGRAM;
>         else
>                 /* Go for default supported write cmd */
> diff --git a/drivers/spi/ich.c b/drivers/spi/ich.c
> index f85af9c..64322dd 100644
> --- a/drivers/spi/ich.c
> +++ b/drivers/spi/ich.c
> @@ -753,7 +753,7 @@ static int ich_spi_child_pre_probe(struct udevice *dev)
>          */
>         if (plat->ich_version == 7) {
>                 slave->op_mode_rx = SPI_OPM_RX_AS;
> -               slave->op_mode_tx = SPI_OPM_TX_BP;
> +               slave->mode = SPI_TX_BP;
>         }
>
>         return 0;
> diff --git a/include/spi.h b/include/spi.h
> index 713bab9..2b36c5a 100644
> --- a/include/spi.h
> +++ b/include/spi.h
> @@ -23,6 +23,8 @@
>  #define        SPI_LOOP        0x20                    /* loopback mode */
>  #define        SPI_SLAVE       0x40                    /* slave mode */
>  #define        SPI_PREAMBLE    0x80                    /* Skip preamble bytes */
> +#define SPI_TX_BP      0x100                   /* transmit with 1 wire byte */
> +#define SPI_TX_QPP     0x200                   /* transmit with 4 wires */
>
>  /* SPI transfer flags */
>  #define SPI_XFER_BEGIN         0x01    /* Assert CS before transfer */
> @@ -32,10 +34,6 @@
>  #define SPI_XFER_ONCE          (SPI_XFER_BEGIN | SPI_XFER_END)
>  #define SPI_XFER_U_PAGE        (1 << 5)
>
> -/* SPI TX operation modes */
> -#define SPI_OPM_TX_QPP         (1 << 0)
> -#define SPI_OPM_TX_BP          (1 << 1)
> -
>  /* SPI RX operation modes */
>  #define SPI_OPM_RX_AS          (1 << 0)
>  #define SPI_OPM_RX_AF          (1 << 1)

And what about RX mode flags? Do you have plan to merge op_mode_rx
into spi->mode as well?

> @@ -107,7 +105,6 @@ struct dm_spi_slave_platdata {
>   * @cs:                        ID of the chip select connected to the slave.
>   * @mode:              SPI mode to use for this slave (see SPI mode flags)
>   * @op_mode_rx:                SPI RX operation mode.
> - * @op_mode_tx:                SPI TX operation mode.
>   * @wordlen:           Size of SPI word in number of bits
>   * @max_write_size:    If non-zero, the maximum number of bytes which can
>   *                     be written at once, excluding command bytes.
> @@ -126,7 +123,6 @@ struct spi_slave {
>  #endif
>         u8 mode;
>         u8 op_mode_rx;
> -       u8 op_mode_tx;
>         unsigned int wordlen;
>         unsigned int max_write_size;
>         void *memory_map;
> --

Regards,
Bin