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authorIlpo Järvinen <ilpo.jarvinen@linux.intel.com>2023-05-11 15:10:24 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2023-05-13 19:47:26 +0900
commitb245aa0cc583c3efa0335c50f309a32e5fec8ab7 (patch)
tree874838f0023ae726f47456414744abc313318cc2 /include/linux/serial_8250.h
parent9d86719f8769244dc99b8cb6091c41eae3fd684f (diff)
serial: 8250: Change dl_read/write to handle value as u32
Divisor latch read/write functions currently handle the value is int. As the value is related to HW context, u32 makes much more sense than a signed type. While at it, name the parameters in the callback signature. Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com> Link: https://lore.kernel.org/r/20230511121029.13128-2-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.h4
1 files changed, 2 insertions, 2 deletions
diff --git a/include/linux/serial_8250.h b/include/linux/serial_8250.h
index 6f78f302d272..7b5d558e4e0c 100644
--- a/include/linux/serial_8250.h
+++ b/include/linux/serial_8250.h
@@ -129,8 +129,8 @@ struct uart_8250_port {
const struct uart_8250_ops *ops;
/* 8250 specific callbacks */
- int (*dl_read)(struct uart_8250_port *);
- void (*dl_write)(struct uart_8250_port *, int);
+ u32 (*dl_read)(struct uart_8250_port *up);
+ void (*dl_write)(struct uart_8250_port *up, u32 value);
struct uart_8250_em485 *em485;
void (*rs485_start_tx)(struct uart_8250_port *);