[binutils-gdb] Update comment in remote_can_async_p

[Simon Marchi <simark at sourceware dot org>]

https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=3015c06465584a437261c65a397fbd8f1a71aae7

commit 3015c06465584a437261c65a397fbd8f1a71aae7
Author: Simon Marchi <simon.marchi@ericsson.com>
Date:   Thu Jan 12 11:15:01 2017 -0500

    Update comment in remote_can_async_p
    
    I find this comment counter intuitive, and it probably predates the
    always-target-async change.  AFAIK, remote will always be async, unless
    the user explicitly prevents it with "maint set target-async off".
    
    gdb/ChangeLog:
    
    	* remote.c (remote_can_async_p): Update comment.

Diff:
---
 gdb/ChangeLog | 4 ++++
 gdb/remote.c  | 3 ++-
 2 files changed, 6 insertions(+), 1 deletion(-)

diff --git a/gdb/ChangeLog b/gdb/ChangeLog
index 27aa394..bf0930f 100644
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -1,5 +1,9 @@
 2017-01-12  Simon Marchi  <simon.marchi@ericsson.com>
 
+	* remote.c (remote_can_async_p): Update comment.
+
+2017-01-12  Simon Marchi  <simon.marchi@ericsson.com>
+
 	* linux-nat.c (linux_nat_can_async_p): Update comment.
 
 2017-01-12  Simon Marchi  <simon.marchi@ericsson.com>
diff --git a/gdb/remote.c b/gdb/remote.c
index 837b9ee..c73c30a 100644
--- a/gdb/remote.c
+++ b/gdb/remote.c
@@ -13653,8 +13653,9 @@ remote_can_async_p (struct target_ops *ops)
 {
   struct remote_state *rs = get_remote_state ();
 
+  /* We don't go async if the user has explicitly prevented it with the
+     "maint set target-async" command.  */
   if (!target_async_permitted)
-    /* We only enable async when the user specifically asks for it.  */
     return 0;
 
   /* We're async whenever the serial device is.  */