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authorJonathan Corbet <corbet@lwn.net>2008-05-16 13:40:30 -0600
committerJonathan Corbet <corbet@lwn.net>2008-06-20 14:05:50 -0600
commitd21c95c569c462da20d491b75d0a45bd70ddc1bf (patch)
treec5efcd4a1ae50101a56abc1f5a27ef5173da209d /drivers/char/cs5535_gpio.c
parent39d95b9d857ad9ed335dd1a2d6c6de1f1ee69ce1 (diff)
Add "no BKL needed" comments to several drivers
This documents the fact that somebody looked at the relevant open() functions and concluded that, due to their trivial nature, no locking was needed. Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Diffstat (limited to 'drivers/char/cs5535_gpio.c')
-rw-r--r--drivers/char/cs5535_gpio.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/char/cs5535_gpio.c b/drivers/char/cs5535_gpio.c
index c0a4a0bb509e..628e3d3249d2 100644
--- a/drivers/char/cs5535_gpio.c
+++ b/drivers/char/cs5535_gpio.c
@@ -153,6 +153,8 @@ static ssize_t cs5535_gpio_read(struct file *file, char __user *buf,
return count;
}
+/* No BKL needed here - "mask" is the only global resource used
+ here and it's a boot-time parameter */
static int cs5535_gpio_open(struct inode *inode, struct file *file)
{
u32 m = iminor(inode);