diff options
Diffstat (limited to 'drivers/spi/spi-uclass.c')
| -rw-r--r-- | drivers/spi/spi-uclass.c | 48 |
1 files changed, 26 insertions, 22 deletions
diff --git a/drivers/spi/spi-uclass.c b/drivers/spi/spi-uclass.c index d5a1e3a676..5d801fa54b 100644 --- a/drivers/spi/spi-uclass.c +++ b/drivers/spi/spi-uclass.c @@ -54,23 +54,28 @@ int dm_spi_claim_bus(struct udevice *dev) struct dm_spi_ops *ops = spi_get_ops(bus); struct dm_spi_bus *spi = dev_get_uclass_priv(bus); struct spi_slave *slave = dev_get_parent_priv(dev); - int speed; + uint speed, mode; speed = slave->max_hz; + mode = slave->mode; + if (spi->max_hz) { if (speed) - speed = min(speed, (int)spi->max_hz); + speed = min(speed, spi->max_hz); else speed = spi->max_hz; } if (!speed) speed = SPI_DEFAULT_SPEED_HZ; - if (speed != slave->speed) { + + if (speed != spi->speed || mode != spi->mode) { int ret = spi_set_speed_mode(bus, speed, slave->mode); if (ret) return log_ret(ret); - slave->speed = speed; + + spi->speed = speed; + spi->mode = mode; } return log_ret(ops->claim_bus ? ops->claim_bus(dev) : 0); @@ -158,12 +163,12 @@ int spi_write_then_read(struct spi_slave *slave, const u8 *opcode, #if !CONFIG_IS_ENABLED(OF_PLATDATA) static int spi_child_post_bind(struct udevice *dev) { - struct dm_spi_slave_platdata *plat = dev_get_parent_platdata(dev); + struct dm_spi_slave_plat *plat = dev_get_parent_plat(dev); if (!dev_of_valid(dev)) return 0; - return spi_slave_ofdata_to_platdata(dev, plat); + return spi_slave_of_to_plat(dev, plat); } #endif @@ -202,7 +207,7 @@ static int spi_post_probe(struct udevice *bus) static int spi_child_pre_probe(struct udevice *dev) { - struct dm_spi_slave_platdata *plat = dev_get_parent_platdata(dev); + struct dm_spi_slave_plat *plat = dev_get_parent_plat(dev); struct spi_slave *slave = dev_get_parent_priv(dev); /* @@ -223,7 +228,7 @@ static int spi_child_pre_probe(struct udevice *dev) int spi_chip_select(struct udevice *dev) { - struct dm_spi_slave_platdata *plat = dev_get_parent_platdata(dev); + struct dm_spi_slave_plat *plat = dev_get_parent_plat(dev); return plat ? plat->cs : -ENOENT; } @@ -259,9 +264,9 @@ int spi_find_chip_select(struct udevice *bus, int cs, struct udevice **devp) for (device_find_first_child(bus, &dev); dev; device_find_next_child(&dev)) { - struct dm_spi_slave_platdata *plat; + struct dm_spi_slave_plat *plat; - plat = dev_get_parent_platdata(dev); + plat = dev_get_parent_plat(dev); dev_dbg(bus, "%s: plat=%p, cs=%d\n", __func__, plat, plat->cs); if (plat->cs == cs) { *devp = dev; @@ -278,7 +283,7 @@ int spi_cs_is_valid(unsigned int busnum, unsigned int cs) struct udevice *bus; int ret; - ret = uclass_find_device_by_seq(UCLASS_SPI, busnum, false, &bus); + ret = uclass_find_device_by_seq(UCLASS_SPI, busnum, &bus); if (ret) { log_debug("%s: No bus %d\n", __func__, busnum); return ret; @@ -307,7 +312,7 @@ int spi_find_bus_and_cs(int busnum, int cs, struct udevice **busp, struct udevice *bus, *dev; int ret; - ret = uclass_find_device_by_seq(UCLASS_SPI, busnum, false, &bus); + ret = uclass_find_device_by_seq(UCLASS_SPI, busnum, &bus); if (ret) { log_debug("%s: No bus %d\n", __func__, busnum); return ret; @@ -328,7 +333,8 @@ int spi_get_bus_and_cs(int busnum, int cs, int speed, int mode, struct udevice **busp, struct spi_slave **devp) { struct udevice *bus, *dev; - struct dm_spi_slave_platdata *plat; + struct dm_spi_slave_plat *plat; + struct dm_spi_bus *bus_data; struct spi_slave *slave; bool created = false; int ret; @@ -358,7 +364,7 @@ int spi_get_bus_and_cs(int busnum, int cs, int speed, int mode, __func__, ret); return ret; } - plat = dev_get_parent_platdata(dev); + plat = dev_get_parent_plat(dev); plat->cs = cs; if (speed) { plat->max_hz = speed; @@ -386,12 +392,13 @@ int spi_get_bus_and_cs(int busnum, int cs, int speed, int mode, } slave = dev_get_parent_priv(dev); + bus_data = dev_get_uclass_priv(bus); /* * In case the operation speed is not yet established by * dm_spi_claim_bus() ensure the bus is configured properly. */ - if (!slave->speed) { + if (!bus_data->speed) { ret = spi_claim_bus(slave); if (ret) goto err; @@ -433,11 +440,9 @@ struct spi_slave *spi_setup_slave(unsigned int busnum, unsigned int cs, void spi_free_slave(struct spi_slave *slave) { device_remove(slave->dev, DM_REMOVE_NORMAL); - slave->dev = NULL; } -int spi_slave_ofdata_to_platdata(struct udevice *dev, - struct dm_spi_slave_platdata *plat) +int spi_slave_of_to_plat(struct udevice *dev, struct dm_spi_slave_plat *plat) { int mode = 0; int value; @@ -507,10 +512,9 @@ UCLASS_DRIVER(spi) = { #endif .post_probe = spi_post_probe, .child_pre_probe = spi_child_pre_probe, - .per_device_auto_alloc_size = sizeof(struct dm_spi_bus), - .per_child_auto_alloc_size = sizeof(struct spi_slave), - .per_child_platdata_auto_alloc_size = - sizeof(struct dm_spi_slave_platdata), + .per_device_auto = sizeof(struct dm_spi_bus), + .per_child_auto = sizeof(struct spi_slave), + .per_child_plat_auto = sizeof(struct dm_spi_slave_plat), #if !CONFIG_IS_ENABLED(OF_PLATDATA) .child_post_bind = spi_child_post_bind, #endif |