diff options
| author | Geordan Neukum <gneukum1@gmail.com> | 2019-05-26 01:18:27 +0000 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2019-05-30 14:04:25 -0700 |
| commit | f82ce45273d4d8173243f08b943c9c371385c105 (patch) | |
| tree | 24dd2421866d44984eaa071a132e94c2cef13a66 /drivers/staging/kpc2000/kpc2000_i2c.c | |
| parent | 46144c1391574f0164def0ca3aa20a6361e4effb (diff) | |
staging: kpc2000: kpc_i2c: Remove unused rw_sem
In pi2c_probe, a rw_sem is initialized and stashed off in the
i2c_device private runtime state struct. This rw_sem is never used
after initialization. Remove the rw_sem and cleanup unneeded header
inclusion.
Signed-off-by: Geordan Neukum <gneukum1@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/staging/kpc2000/kpc2000_i2c.c')
| -rw-r--r-- | drivers/staging/kpc2000/kpc2000_i2c.c | 3 |
1 files changed, 0 insertions, 3 deletions
diff --git a/drivers/staging/kpc2000/kpc2000_i2c.c b/drivers/staging/kpc2000/kpc2000_i2c.c index fb9a8386bcce..2c272ad8eca6 100644 --- a/drivers/staging/kpc2000/kpc2000_i2c.c +++ b/drivers/staging/kpc2000/kpc2000_i2c.c @@ -25,7 +25,6 @@ #include <linux/slab.h> #include <linux/platform_device.h> #include <linux/fs.h> -#include <linux/rwsem.h> #include <linux/delay.h> #include <linux/i2c.h> #include "kpc.h" @@ -38,7 +37,6 @@ struct i2c_device { unsigned long smba; struct i2c_adapter adapter; struct platform_device *pldev; - struct rw_semaphore rw_sem; unsigned int features; }; @@ -606,7 +604,6 @@ static int pi2c_probe(struct platform_device *pldev) priv->features |= FEATURE_BLOCK_BUFFER; //init_MUTEX(&lddata->sem); - init_rwsem(&priv->rw_sem); /* set up the sysfs linkage to our parent device */ priv->adapter.dev.parent = &pldev->dev; |