From: Ilpo Järvinen Date: Mon, 6 Jun 2022 10:04:00 +0000 (+0300) Subject: serial: Add rs485_supported to uart_port X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=8925c31c1ac2f1e05da988581f2a70a2a8c4d638;p=linux.git serial: Add rs485_supported to uart_port Preparing to move serial_rs485 struct sanitization into serial core, each driver has to provide what fields/flags it supports. This information is pointed into by rs485_supported. Signed-off-by: Ilpo Järvinen Link: https://lore.kernel.org/r/20220606100433.13793-4-ilpo.jarvinen@linux.intel.com Signed-off-by: Greg Kroah-Hartman --- diff --git a/drivers/tty/serial/8250/8250_core.c b/drivers/tty/serial/8250/8250_core.c index b0320de3379ca..90ddc89248114 100644 --- a/drivers/tty/serial/8250/8250_core.c +++ b/drivers/tty/serial/8250/8250_core.c @@ -1003,6 +1003,7 @@ int serial8250_register_8250_port(const struct uart_8250_port *up) uart->port.throttle = up->port.throttle; uart->port.unthrottle = up->port.unthrottle; uart->port.rs485_config = up->port.rs485_config; + uart->port.rs485_supported = up->port.rs485_supported; uart->port.rs485 = up->port.rs485; uart->rs485_start_tx = up->rs485_start_tx; uart->rs485_stop_tx = up->rs485_stop_tx; diff --git a/include/linux/serial_core.h b/include/linux/serial_core.h index d3ebb4db2d80f..5518b70177b32 100644 --- a/include/linux/serial_core.h +++ b/include/linux/serial_core.h @@ -254,6 +254,7 @@ struct uart_port { struct attribute_group *attr_group; /* port specific attributes */ const struct attribute_group **tty_groups; /* all attributes (serial core use only) */ struct serial_rs485 rs485; + const struct serial_rs485 *rs485_supported; /* Supported mask for serial_rs485 */ struct gpio_desc *rs485_term_gpio; /* enable RS485 bus termination */ struct serial_iso7816 iso7816; void *private_data; /* generic platform data pointer */