From: Andy Shevchenko andy.shevchenko@gmail.com
[ Upstream commit c808fab604ca62cff19ee6b261211483830807aa ]
Device property API allows to gather device resources from different sources, such as ACPI. Convert the drivers to unleash the power of device property API.
Signed-off-by: Andy Shevchenko andy.shevchenko@gmail.com Link: https://lore.kernel.org/r/20201007084635.594991-1-andy.shevchenko@gmail.com Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org Stable-dep-of: b35f8dbbce81 ("serial: max310x: prevent infinite while() loop in port startup") Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/tty/serial/max310x.c | 27 +++++++++------------------ 1 file changed, 9 insertions(+), 18 deletions(-)
diff --git a/drivers/tty/serial/max310x.c b/drivers/tty/serial/max310x.c index bbf45c0626681..8d42c537ee5ea 100644 --- a/drivers/tty/serial/max310x.c +++ b/drivers/tty/serial/max310x.c @@ -15,8 +15,8 @@ #include <linux/device.h> #include <linux/gpio/driver.h> #include <linux/module.h> -#include <linux/of.h> -#include <linux/of_device.h> +#include <linux/mod_devicetable.h> +#include <linux/property.h> #include <linux/regmap.h> #include <linux/serial_core.h> #include <linux/serial.h> @@ -271,7 +271,7 @@ struct max310x_one { container_of(_port, struct max310x_one, port)
struct max310x_port { - struct max310x_devtype *devtype; + const struct max310x_devtype *devtype; struct regmap *regmap; struct clk *clk; #ifdef CONFIG_GPIOLIB @@ -1262,7 +1262,7 @@ static int max310x_gpio_set_config(struct gpio_chip *chip, unsigned int offset, } #endif
-static int max310x_probe(struct device *dev, struct max310x_devtype *devtype, +static int max310x_probe(struct device *dev, const struct max310x_devtype *devtype, struct regmap *regmap, int irq) { int i, ret, fmin, fmax, freq; @@ -1488,7 +1488,7 @@ static struct regmap_config regcfg = { #ifdef CONFIG_SPI_MASTER static int max310x_spi_probe(struct spi_device *spi) { - struct max310x_devtype *devtype; + const struct max310x_devtype *devtype; struct regmap *regmap; int ret;
@@ -1500,18 +1500,9 @@ static int max310x_spi_probe(struct spi_device *spi) if (ret) return ret;
- if (spi->dev.of_node) { - const struct of_device_id *of_id = - of_match_device(max310x_dt_ids, &spi->dev); - if (!of_id) - return -ENODEV; - - devtype = (struct max310x_devtype *)of_id->data; - } else { - const struct spi_device_id *id_entry = spi_get_device_id(spi); - - devtype = (struct max310x_devtype *)id_entry->driver_data; - } + devtype = device_get_match_data(&spi->dev); + if (!devtype) + devtype = (struct max310x_devtype *)spi_get_device_id(spi)->driver_data;
regcfg.max_register = devtype->nr * 0x20 - 1; regmap = devm_regmap_init_spi(spi, ®cfg); @@ -1536,7 +1527,7 @@ MODULE_DEVICE_TABLE(spi, max310x_id_table); static struct spi_driver max310x_spi_driver = { .driver = { .name = MAX310X_NAME, - .of_match_table = of_match_ptr(max310x_dt_ids), + .of_match_table = max310x_dt_ids, .pm = &max310x_pm_ops, }, .probe = max310x_spi_probe,