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authorChristopher Covington <cov@codeaurora.org>2014-05-23 02:07:18 +0400
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2014-05-29 00:33:18 +0400
commit4061f4987b45d8d4126a57c8333cb3a8aeb3e08a (patch)
treea07bf8a4fcb64992cd61a02229a077c0d8fa3fed /drivers/tty/hvc
parent15a2743193b099f82657ca315dd2e1091be6c1d3 (diff)
downloadlinux-4061f4987b45d8d4126a57c8333cb3a8aeb3e08a.tar.xz
ARM: tty: Move HVC DCC assembly to arch/arm
Put architecture-specific assembly code where it belongs, allowing for support of additional architectures such as arm64 in the future. Signed-off-by: Christopher Covington <cov@codeaurora.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/tty/hvc')
-rw-r--r--drivers/tty/hvc/hvc_dcc.c42
1 files changed, 2 insertions, 40 deletions
diff --git a/drivers/tty/hvc/hvc_dcc.c b/drivers/tty/hvc/hvc_dcc.c
index 3502a7bbb69e..809920d80a66 100644
--- a/drivers/tty/hvc/hvc_dcc.c
+++ b/drivers/tty/hvc/hvc_dcc.c
@@ -1,4 +1,4 @@
-/* Copyright (c) 2010, Code Aurora Forum. All rights reserved.
+/* Copyright (c) 2010, 2014 The Linux Foundation. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 and
@@ -8,20 +8,11 @@
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
- * 02110-1301, USA.
*/
-#include <linux/console.h>
-#include <linux/delay.h>
-#include <linux/err.h>
#include <linux/init.h>
-#include <linux/moduleparam.h>
-#include <linux/types.h>
+#include <asm/dcc.h>
#include <asm/processor.h>
#include "hvc_console.h"
@@ -30,35 +21,6 @@
#define DCC_STATUS_RX (1 << 30)
#define DCC_STATUS_TX (1 << 29)
-static inline u32 __dcc_getstatus(void)
-{
- u32 __ret;
- asm volatile("mrc p14, 0, %0, c0, c1, 0 @ read comms ctrl reg"
- : "=r" (__ret) : : "cc");
-
- return __ret;
-}
-
-
-static inline char __dcc_getchar(void)
-{
- char __c;
-
- asm volatile("mrc p14, 0, %0, c0, c5, 0 @ read comms data reg"
- : "=r" (__c));
- isb();
-
- return __c;
-}
-
-static inline void __dcc_putchar(char c)
-{
- asm volatile("mcr p14, 0, %0, c0, c5, 0 @ write a char"
- : /* no output register */
- : "r" (c));
- isb();
-}
-
static int hvc_dcc_put_chars(uint32_t vt, const char *buf, int count)
{
int i;