Hi Bin, On Monday 14 December 2015 01:04 PM, Bin Meng wrote:
On Mon, Dec 14, 2015 at 2:57 PM, Jagan Teki <jt...@openedev.com> wrote:Used mode member from spi_slave{} instead of op_mode_tx.Cc: Bin Meng <bmeng...@gmail.com> Cc: Simon Glass <s...@chromium.org> Signed-off-by: Jagan Teki <jt...@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?
Tried the same but for rx there is simple algo for finding fastest read using fls, so that fls in-deed need rx as separate member.
thanks! -- Jagan _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot
