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authorJiri Slaby <jirislaby@gmail.com>2007-02-10 01:45:08 -0800
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-02-11 10:51:28 -0800
commit30a063a900518926966f4d75333c1bfbde1658fa (patch)
tree89e78ee73234c4e0a97a64f85bf93874490473b3
parentc76b09301eeb844036f17d008e15ff6532d8f33a (diff)
downloadlinux-30a063a900518926966f4d75333c1bfbde1658fa.tar.bz2
[PATCH] Char: mxser_new, remove useless spinlock
gm_lock is useless, since ISA is configured at init time and there it's serialized. Signed-off-by: Jiri Slaby <jirislaby@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
-rw-r--r--drivers/char/mxser_new.c4
1 files changed, 0 insertions, 4 deletions
diff --git a/drivers/char/mxser_new.c b/drivers/char/mxser_new.c
index d385e791068b..13b9072a7729 100644
--- a/drivers/char/mxser_new.c
+++ b/drivers/char/mxser_new.c
@@ -313,7 +313,6 @@ static int mxvar_diagflag;
static unsigned char mxser_msr[MXSER_PORTS + 1];
static struct mxser_mon_ext mon_data_ext;
static int mxser_set_baud_method[MXSER_PORTS + 1];
-static spinlock_t gm_lock;
#ifdef CONFIG_PCI
static int __devinit CheckIsMoxaMust(int io)
@@ -1377,7 +1376,6 @@ static int __init mxser_program_mode(int port)
{
int id, i, j, n;
- spin_lock(&gm_lock);
outb(0, port);
outb(0, port);
outb(0, port);
@@ -1385,7 +1383,6 @@ static int __init mxser_program_mode(int port)
(void)inb(port);
outb(0, port);
(void)inb(port);
- spin_unlock(&gm_lock);
id = inb(port + 1) & 0x1F;
if ((id != C168_ASIC_ID) &&
@@ -2684,7 +2681,6 @@ static int __init mxser_module_init(void)
mxvar_sdriver = alloc_tty_driver(MXSER_PORTS + 1);
if (!mxvar_sdriver)
return -ENOMEM;
- spin_lock_init(&gm_lock);
printk(KERN_INFO "MOXA Smartio/Industio family driver version %s\n",
MXSER_VERSION);