[S390] sclp_vt220: speed up console output for interactive work

Currently an output buffer can wait up to HZ/2 until the buffer is
flushed. The wait time is noticeable in interactive tools like mc.

Change the value to HZ/20, which seems enough for interactive work.

Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>

diff --git a/drivers/s390/char/sclp_vt220.c b/drivers/s390/char/sclp_vt220.c
index 92f5272..f7b258d 100644 (file)
--- a/drivers/s390/char/sclp_vt220.c
+++ b/drivers/s390/char/sclp_vt220.c
@@ -367,7 +367,7 @@ sclp_vt220_timeout(unsigned long data)
        sclp_vt220_emit_current();
 }
 
-#define BUFFER_MAX_DELAY       HZ/2
+#define BUFFER_MAX_DELAY       HZ/20
 
 /* 
  * Internal implementation of the write function. Write COUNT bytes of data