diff options
| author | Ilpo Järvinen <ilpo.jarvinen@linux.intel.com> | 2023-05-11 15:10:25 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2023-05-13 13:47:26 +0300 |
| commit | 98658ae8f3925d05c2d0c67749ff6cf47b9077a5 (patch) | |
| tree | d801fb88c66d7f8e7e8411565cb5312654fd1977 /include/linux/serial_8250.h | |
| parent | b245aa0cc583c3efa0335c50f309a32e5fec8ab7 (diff) | |
| download | linux-98658ae8f3925d05c2d0c67749ff6cf47b9077a5.tar.xz | |
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>
Diffstat (limited to 'include/linux/serial_8250.h')
| -rw-r--r-- | include/linux/serial_8250.h | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/include/linux/serial_8250.h b/include/linux/serial_8250.h index 7b5d558e4e0c..d64e7bbe1f2f 100644 --- a/include/linux/serial_8250.h +++ b/include/linux/serial_8250.h @@ -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 */ |