Commit 98658ae8 authored May 11, 2023 by Ilpo Järvinen Committed by Greg Kroah-Hartman May 13, 2023

serial: 8250: Document uart_8250_port's ->dl_read/write()

Add documentation for the struct uart_8250_port divisor latch function
pointers. Documentation is in kernel doc format but don't enable kernel
doc yet as many other fields remain undocumented.

Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Link: https://lore.kernel.org/r/20230511121029.13128-3-ilpo.jarvinen@linux.intel.com

Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

parent b245aa0c

include/linux/serial_8250.h

+10 −1

Original line number	Diff line number	Diff line
		@@ -90,8 +90,17 @@ struct uart_8250_em485 {
		* their own 8250 ports without registering their own
		* platform device. Using these will make your driver
		* dependent on the 8250 driver.
		*
		* @dl_read: ``u32 ()(struct uart_8250_port *port)``
		*
		* UART divisor latch read.
		*
		* @dl_write: ``void ()(struct uart_8250_port *port, u32 value)``
		*
		* Write @value into UART divisor latch.
		*
		* Locking: Caller holds port's lock.
		*/

		struct uart_8250_port {
		struct uart_port port;
		struct timer_list timer; /* "no irq" timer */