diff options
Diffstat (limited to 'drivers/spi/spi-sc18is602.c')
| -rw-r--r-- | drivers/spi/spi-sc18is602.c | 53 |
1 files changed, 26 insertions, 27 deletions
diff --git a/drivers/spi/spi-sc18is602.c b/drivers/spi/spi-sc18is602.c index d52ed67243f7..eecf9ea95ae3 100644 --- a/drivers/spi/spi-sc18is602.c +++ b/drivers/spi/spi-sc18is602.c @@ -12,7 +12,6 @@ #include <linux/i2c.h> #include <linux/delay.h> #include <linux/pm_runtime.h> -#include <linux/of_device.h> #include <linux/of.h> #include <linux/platform_data/sc18is602.h> #include <linux/gpio/consumer.h> @@ -31,7 +30,7 @@ enum chips { sc18is602, sc18is602b, sc18is603 }; #define SC18IS602_MODE_CLOCK_DIV_128 0x3 struct sc18is602 { - struct spi_master *master; + struct spi_controller *host; struct device *dev; u8 ctrl; u32 freq; @@ -180,10 +179,10 @@ static int sc18is602_check_transfer(struct spi_device *spi, return 0; } -static int sc18is602_transfer_one(struct spi_master *master, +static int sc18is602_transfer_one(struct spi_controller *host, struct spi_message *m) { - struct sc18is602 *hw = spi_master_get_devdata(master); + struct sc18is602 *hw = spi_controller_get_devdata(host); struct spi_device *spi = m->spi; struct spi_transfer *t; int status = 0; @@ -214,7 +213,7 @@ static int sc18is602_transfer_one(struct spi_master *master, spi_transfer_delay_exec(t); } m->status = status; - spi_finalize_current_message(master); + spi_finalize_current_message(host); return status; } @@ -226,7 +225,7 @@ static size_t sc18is602_max_transfer_size(struct spi_device *spi) static int sc18is602_setup(struct spi_device *spi) { - struct sc18is602 *hw = spi_master_get_devdata(spi->master); + struct sc18is602 *hw = spi_controller_get_devdata(spi->controller); /* SC18IS602 does not support CS2 */ if (hw->id == sc18is602 && (spi_get_chipselect(spi, 0) == 2)) @@ -242,17 +241,17 @@ static int sc18is602_probe(struct i2c_client *client) struct device_node *np = dev->of_node; struct sc18is602_platform_data *pdata = dev_get_platdata(dev); struct sc18is602 *hw; - struct spi_master *master; + struct spi_controller *host; if (!i2c_check_functionality(client->adapter, I2C_FUNC_I2C | I2C_FUNC_SMBUS_WRITE_BYTE_DATA)) return -EINVAL; - master = devm_spi_alloc_master(dev, sizeof(struct sc18is602)); - if (!master) + host = devm_spi_alloc_host(dev, sizeof(struct sc18is602)); + if (!host) return -ENOMEM; - hw = spi_master_get_devdata(master); + hw = spi_controller_get_devdata(host); i2c_set_clientdata(client, hw); /* assert reset and then release */ @@ -261,24 +260,24 @@ static int sc18is602_probe(struct i2c_client *client) return PTR_ERR(hw->reset); gpiod_set_value_cansleep(hw->reset, 0); - hw->master = master; + hw->host = host; hw->client = client; hw->dev = dev; hw->ctrl = 0xff; if (client->dev.of_node) - hw->id = (enum chips)of_device_get_match_data(&client->dev); + hw->id = (uintptr_t)of_device_get_match_data(&client->dev); else hw->id = id->driver_data; switch (hw->id) { case sc18is602: case sc18is602b: - master->num_chipselect = 4; + host->num_chipselect = 4; hw->freq = SC18IS602_CLOCK; break; case sc18is603: - master->num_chipselect = 2; + host->num_chipselect = 2; if (pdata) { hw->freq = pdata->clock_frequency; } else { @@ -293,18 +292,18 @@ static int sc18is602_probe(struct i2c_client *client) hw->freq = SC18IS602_CLOCK; break; } - master->bus_num = np ? -1 : client->adapter->nr; - master->mode_bits = SPI_CPHA | SPI_CPOL | SPI_LSB_FIRST; - master->bits_per_word_mask = SPI_BPW_MASK(8); - master->setup = sc18is602_setup; - master->transfer_one_message = sc18is602_transfer_one; - master->max_transfer_size = sc18is602_max_transfer_size; - master->max_message_size = sc18is602_max_transfer_size; - master->dev.of_node = np; - master->min_speed_hz = hw->freq / 128; - master->max_speed_hz = hw->freq / 4; - - return devm_spi_register_master(dev, master); + host->bus_num = np ? -1 : client->adapter->nr; + host->mode_bits = SPI_CPHA | SPI_CPOL | SPI_LSB_FIRST; + host->bits_per_word_mask = SPI_BPW_MASK(8); + host->setup = sc18is602_setup; + host->transfer_one_message = sc18is602_transfer_one; + host->max_transfer_size = sc18is602_max_transfer_size; + host->max_message_size = sc18is602_max_transfer_size; + host->dev.of_node = np; + host->min_speed_hz = hw->freq / 128; + host->max_speed_hz = hw->freq / 4; + + return devm_spi_register_controller(dev, host); } static const struct i2c_device_id sc18is602_id[] = { @@ -343,6 +342,6 @@ static struct i2c_driver sc18is602_driver = { module_i2c_driver(sc18is602_driver); -MODULE_DESCRIPTION("SC18IS602/603 SPI Master Driver"); +MODULE_DESCRIPTION("SC18IS602/603 SPI Host Driver"); MODULE_AUTHOR("Guenter Roeck"); MODULE_LICENSE("GPL"); |