[PATCH 01/14] spi: fsl_dspi: Drop nondm code

Jagan Teki
2020-05-26T17:44:36Z

Drop the nondm code from fsl_dspi.c since there
is no board or any other code using it.

Signed-off-by: Jagan Teki <jagan@amarulasolutions.com>
---
drivers/spi/fsl_dspi.c | 132 -----------------------------------------
1 file changed, 132 deletions(-)

diff --git a/drivers/spi/fsl_dspi.c b/drivers/spi/fsl_dspi.c
index 1cdb233110..78ad61ca37 100644
--- a/drivers/spi/fsl_dspi.c
+++ b/drivers/spi/fsl_dspi.c
@@ -100,13 +100,6 @@ struct fsl_dspi_priv {
struct dspi *regs;
};

-#ifndef CONFIG_DM_SPI
-struct fsl_dspi {
- struct spi_slave slave;
- struct fsl_dspi_priv priv;
-};
-#endif
-
__weak void cpu_dspi_port_conf(void)
{
}
@@ -414,131 +407,7 @@ static int fsl_dspi_cfg_speed(struct fsl_dspi_priv *priv, uint speed)

return 0;
}
-#ifndef CONFIG_DM_SPI
-int spi_cs_is_valid(unsigned int bus, unsigned int cs)
-{
- if (((cs >= 0) && (cs < 8)) && ((bus >= 0) && (bus < 8)))
- return 1;
- else
- return 0;
-}
-
-struct spi_slave *spi_setup_slave(unsigned int bus, unsigned int cs,
- unsigned int max_hz, unsigned int mode)
-{
- struct fsl_dspi *dspi;
- uint mcr_cfg_val;
-
- dspi = spi_alloc_slave(struct fsl_dspi, bus, cs);
- if (!dspi)
- return NULL;
-
- cpu_dspi_port_conf();
-
-#ifdef CONFIG_SYS_FSL_DSPI_BE
- dspi->priv.flags |= DSPI_FLAG_REGMAP_ENDIAN_BIG;
-#endif
-
- dspi->priv.regs = (struct dspi *)MMAP_DSPI;
-
-#ifdef CONFIG_M68K
- dspi->priv.bus_clk = gd->bus_clk;
-#else
- dspi->priv.bus_clk = mxc_get_clock(MXC_DSPI_CLK);
-#endif
- dspi->priv.speed_hz = FSL_DSPI_DEFAULT_SCK_FREQ;
-
- /* default: all CS signals inactive state is high */
- mcr_cfg_val = DSPI_MCR_MSTR | DSPI_MCR_PCSIS_MASK |
- DSPI_MCR_CRXF | DSPI_MCR_CTXF;
- fsl_dspi_init_mcr(&dspi->priv, mcr_cfg_val);
-
- for (i = 0; i < FSL_DSPI_MAX_CHIPSELECT; i++)
- dspi->priv.ctar_val[i] = DSPI_CTAR_DEFAULT_VALUE;
-
-#ifdef CONFIG_SYS_DSPI_CTAR0
- if (FSL_DSPI_MAX_CHIPSELECT > 0)
- dspi->priv.ctar_val[0] = CONFIG_SYS_DSPI_CTAR0;
-#endif
-#ifdef CONFIG_SYS_DSPI_CTAR1
- if (FSL_DSPI_MAX_CHIPSELECT > 1)
- dspi->priv.ctar_val[1] = CONFIG_SYS_DSPI_CTAR1;
-#endif
-#ifdef CONFIG_SYS_DSPI_CTAR2
- if (FSL_DSPI_MAX_CHIPSELECT > 2)
- dspi->priv.ctar_val[2] = CONFIG_SYS_DSPI_CTAR2;
-#endif
-#ifdef CONFIG_SYS_DSPI_CTAR3
- if (FSL_DSPI_MAX_CHIPSELECT > 3)
- dspi->priv.ctar_val[3] = CONFIG_SYS_DSPI_CTAR3;
-#endif
-#ifdef CONFIG_SYS_DSPI_CTAR4
- if (FSL_DSPI_MAX_CHIPSELECT > 4)
- dspi->priv.ctar_val[4] = CONFIG_SYS_DSPI_CTAR4;
-#endif
-#ifdef CONFIG_SYS_DSPI_CTAR5
- if (FSL_DSPI_MAX_CHIPSELECT > 5)
- dspi->priv.ctar_val[5] = CONFIG_SYS_DSPI_CTAR5;
-#endif
-#ifdef CONFIG_SYS_DSPI_CTAR6
- if (FSL_DSPI_MAX_CHIPSELECT > 6)
- dspi->priv.ctar_val[6] = CONFIG_SYS_DSPI_CTAR6;
-#endif
-#ifdef CONFIG_SYS_DSPI_CTAR7
- if (FSL_DSPI_MAX_CHIPSELECT > 7)
- dspi->priv.ctar_val[7] = CONFIG_SYS_DSPI_CTAR7;
-#endif

- fsl_dspi_cfg_speed(&dspi->priv, max_hz);
-
- /* configure transfer mode */
- fsl_dspi_cfg_ctar_mode(&dspi->priv, cs, mode);
-
- /* configure active state of CSX */
- fsl_dspi_cfg_cs_active_state(&dspi->priv, cs, mode);
-
- return &dspi->slave;
-}
-
-void spi_free_slave(struct spi_slave *slave)
-{
- free(slave);
-}
-
-int spi_claim_bus(struct spi_slave *slave)
-{
- uint sr_val;
- struct fsl_dspi *dspi = (struct fsl_dspi *)slave;
-
- cpu_dspi_claim_bus(slave->bus, slave->cs);
-
- fsl_dspi_clr_fifo(&dspi->priv);
-
- /* check module TX and RX status */
- sr_val = dspi_read32(dspi->priv.flags, &dspi->priv.regs->sr);
- if ((sr_val & DSPI_SR_TXRXS) != DSPI_SR_TXRXS) {
- debug("DSPI RX/TX not ready!\n");
- return -EIO;
- }
-
- return 0;
-}
-
-void spi_release_bus(struct spi_slave *slave)
-{
- struct fsl_dspi *dspi = (struct fsl_dspi *)slave;
-
- dspi_halt(&dspi->priv, 1);
- cpu_dspi_release_bus(slave->bus.slave->cs);
-}
-
-int spi_xfer(struct spi_slave *slave, unsigned int bitlen, const void *dout,
- void *din, unsigned long flags)
-{
- struct fsl_dspi *dspi = (struct fsl_dspi *)slave;
- return dspi_xfer(&dspi->priv, slave->cs, bitlen, dout, din, flags);
-}
-#else
static int fsl_dspi_child_pre_probe(struct udevice *dev)
{
struct dm_spi_slave_platdata *slave_plat = dev_get_parent_platdata(dev);
@@ -745,4 +614,3 @@ U_BOOT_DRIVER(fsl_dspi) = {
.child_pre_probe = fsl_dspi_child_pre_probe,
.bind = fsl_dspi_bind,
};
-#endif
--
2.25.1