mxser: drop UART_MCR_AFE and UART_LSR_SPECIAL defines

* UART_MCR_AFE is a redefinition of serial_reg.h's one.
* UART_LSR_SPECIAL is a redefinition of serial_reg.h's
  UART_LSR_BRK_ERROR_BITS.

So remove both and replace the latter uses by already defined
UART_LSR_BRK_ERROR_BITS.

Signed-off-by: Jiri Slaby <jslaby@suse.cz>
Link: https://lore.kernel.org/r/20210618061516.662-21-jslaby@suse.cz
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/tty/mxser.c b/drivers/tty/mxser.c
index 53136a7d92b160142044a7345d7011463dd77d8a..79d7cecb7765997306fc89a85d8efa203ac03669 100644 (file)
--- a/drivers/tty/mxser.c
+++ b/drivers/tty/mxser.c
@@ -180,9 +180,6 @@
 
 #define WAKEUP_CHARS           256
 
-#define UART_MCR_AFE           0x20
-#define UART_LSR_SPECIAL       0x1E
-
 #define PCI_DEVICE_ID_POS104UL 0x1044
 #define PCI_DEVICE_ID_CB108    0x1080
 #define PCI_DEVICE_ID_CP102UF  0x1023
@@ -2063,7 +2060,7 @@ static bool mxser_receive_chars_new(struct tty_struct *tty,
 
        if (hwid == MOXA_OTHER_UART)
                return false;
-       if (status & UART_LSR_SPECIAL)
+       if (status & UART_LSR_BRK_ERROR_BITS)
                return false;
        if (hwid == MOXA_MUST_MU860_HWID && (status & MOXA_MUST_LSR_RERR))
                return false;
@@ -2108,7 +2105,7 @@ static u8 mxser_receive_chars_old(struct tty_struct *tty,
                                break;
                } else {
                        char flag = 0;
-                       if (status & UART_LSR_SPECIAL) {
+                       if (status & UART_LSR_BRK_ERROR_BITS) {
                                if (status & UART_LSR_BI) {
                                        flag = TTY_BREAK;
                                        port->icount.brk++;