linux-kernel - [PATCH 8/8] tty: core: Undefine ASYNC_* flags superceded by TTY

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Message-Id: <1460249607-8014-9-git-send-email-peter@hurleysoftware.com>
Date:	Sat,  9 Apr 2016 17:53:27 -0700
From:	Peter Hurley <peter@...leysoftware.com>
To:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:	Jiri Slaby <jslaby@...e.cz>, linux-kernel@...r.kernel.org,
	linux-serial@...r.kernel.org,
	Grant Edwards <grant.b.edwards@...il.com>,
	Peter Hurley <peter@...leysoftware.com>
Subject: [PATCH 8/8] tty: core: Undefine ASYNC_* flags superceded by TTY_PORT* flags

Purposefully break out-of-tree driver compiles using kernel
ASYNC_* bits which have been superceded by TTY_PORT* flags and
their respective helper functions.

Signed-off-by: Peter Hurley <peter@...leysoftware.com>
---
 include/uapi/linux/tty_flags.h | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/include/uapi/linux/tty_flags.h b/include/uapi/linux/tty_flags.h
index 8e1a436..66e4d8b 100644
--- a/include/uapi/linux/tty_flags.h
+++ b/include/uapi/linux/tty_flags.h
@@ -38,6 +38,7 @@
  * WARNING: These flags are no longer used and have been superceded by the
  *	    TTY_PORT_ flags in the iflags field (and not userspace-visible)
  */
+#ifndef _KERNEL_
 #define ASYNCB_INITIALIZED	31 /* Serial port was initialized */
 #define ASYNCB_SUSPENDED	30 /* Serial port is suspended */
 #define ASYNCB_NORMAL_ACTIVE	29 /* Normal device is active */
@@ -48,6 +49,7 @@
 #define ASYNCB_SHARE_IRQ	24 /* for multifunction cards, no longer used */
 #define ASYNCB_CONS_FLOW	23 /* flow control for console  */
 #define ASYNCB_FIRST_KERNEL	22
+#endif
 
 /* Masks */
 #define ASYNC_HUP_NOTIFY	(1U << ASYNCB_HUP_NOTIFY)
@@ -78,6 +80,7 @@
 #define ASYNC_SPD_WARP		(ASYNC_SPD_HI|ASYNC_SPD_SHI)
 #define ASYNC_SPD_MASK		(ASYNC_SPD_HI|ASYNC_SPD_VHI|ASYNC_SPD_SHI)
 
+#ifndef _KERNEL_
 /* These flags are no longer used (and were always masked from userspace) */
 #define ASYNC_INITIALIZED	(1U << ASYNCB_INITIALIZED)
 #define ASYNC_NORMAL_ACTIVE	(1U << ASYNCB_NORMAL_ACTIVE)
@@ -88,5 +91,6 @@
 #define ASYNC_SHARE_IRQ		(1U << ASYNCB_SHARE_IRQ)
 #define ASYNC_CONS_FLOW		(1U << ASYNCB_CONS_FLOW)
 #define ASYNC_INTERNAL_FLAGS	(~((1U << ASYNCB_FIRST_KERNEL) - 1))
+#endif
 
 #endif
-- 
2.8.1