[U-Boot] [PATCH v2 3/5] spi: Use mode instead of op_mode_tx
Bin Meng
bmeng.cn at gmail.com
Mon Dec 14 08:31:38 CET 2015
Hi Jagan,
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)
Did you ever build this? spi->mode is declared as a u8, but SPI_TX_BP is 0x100.
> 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)
> @@ -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
More information about the U-Boot
mailing list