Re: [PATCH v3 0/3] MR5211: ntdll/unix: Use termios2 for serial when possible.

[Vijay Kiran Kamuju (＠infyquest)]

Please follow what Eric has suggested for configure code.

I have made some changes to your code, which might work:
`
--- a/dlls/ntdll/unix/serial.c
+++ b/dlls/ntdll/unix/serial.c
@@ -63,6 +63,9 @@
 #endif
 #include <linux/serial.h>
 #endif
+#ifdef HAVE_ASM_TERMBITS_H
+#include <asm/termbits.h>
+#endif

#if !defined(TIOCINQ) && defined(FIONREAD)
 #define        TIOCINQ FIONREAD
@@ -119,6 +122,16 @@ static const char* iocode2str(UINT ioc)

static NTSTATUS get_baud_rate(int fd, SERIAL_BAUD_RATE* sbr)
 {
+#ifdef HAVE_ASM_TERMBITS_H
+    struct termios2 port;
+
+    if (ioctl(fd, TCGETS2, &port) == -1)
+    {
+        ERR("ioctl TCGETS2 error '%s'\n", strerror(errno));
+        return errno_to_status( errno );
+    }
+    sbr->BaudRate = port.c_ospeed;
+#else
     struct termios port;
     int speed;

@@ -192,6 +205,7 @@ static NTSTATUS get_baud_rate(int fd, SERIAL_BAUD_RATE* sbr)
         ERR("unknown speed %x\n", speed);
         return STATUS_INVALID_PARAMETER;
     }
+#endif
     return STATUS_SUCCESS;
 }

@@ -453,6 +467,25 @@ static NTSTATUS purge(int fd, DWORD flags)

static NTSTATUS set_baud_rate(int fd, const SERIAL_BAUD_RATE* sbr)
 {
+#ifdef HAVE_ASM_TERMBITS_H
+    struct termios2 port;
+
+    if (ioctl(fd, TCGETS2, &port) == -1)
+    {
+        ERR("ioctl TCGETS2 error '%s'\n", strerror(errno));
+        return errno_to_status( errno );
+    }
+
+    port.c_cflag &= ~CBAUD;
+    port.c_cflag |= BOTHER;
+    port.c_ospeed = sbr->BaudRate;
+
+    if (ioctl(fd, TCSETS2, &port) == -1)
+    {
+        ERR("ioctl TCSETS2 error '%s'\n", strerror(errno));
+        return errno_to_status( errno );
+    }
+#else
     struct termios port;

if (tcgetattr(fd, &port) == -1)
@@ -564,6 +597,7 @@ static NTSTATUS set_baud_rate(int fd, const SERIAL_BAUD_RATE* sbr)
         ERR("tcsetattr error '%s'\n", strerror(errno));
         return errno_to_status( errno );
     }
+#endif
     return STATUS_SUCCESS;
 }
`