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| author | Ingo Molnar <mingo@elte.hu> | 2010-06-18 10:53:12 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2010-06-18 10:53:19 +0200 |
| commit | 646b1db4956ba8bf748b835b5eba211133d91c2e (patch) | |
| tree | 061166d873d9da9cf83044a7593ad111787076c5 /arch/cris/arch-v32/drivers/i2c.c | |
| parent | 0f2c3de2ba110626515234d5d584fb1b0c0749a2 (diff) | |
| parent | 7e27d6e778cd87b6f2415515d7127eba53fe5d02 (diff) | |
| download | kernel_samsung_tuna-646b1db4956ba8bf748b835b5eba211133d91c2e.zip kernel_samsung_tuna-646b1db4956ba8bf748b835b5eba211133d91c2e.tar.gz kernel_samsung_tuna-646b1db4956ba8bf748b835b5eba211133d91c2e.tar.bz2 | |
Merge commit 'v2.6.35-rc3' into perf/core
Merge reason: Go from -rc1 base to -rc3 base, merge in fixes.
Diffstat (limited to 'arch/cris/arch-v32/drivers/i2c.c')
| -rw-r--r-- | arch/cris/arch-v32/drivers/i2c.c | 22 |
1 files changed, 14 insertions, 8 deletions
diff --git a/arch/cris/arch-v32/drivers/i2c.c b/arch/cris/arch-v32/drivers/i2c.c index 5068263..2fd6a74 100644 --- a/arch/cris/arch-v32/drivers/i2c.c +++ b/arch/cris/arch-v32/drivers/i2c.c @@ -649,10 +649,10 @@ i2c_release(struct inode *inode, struct file *filp) /* Main device API. ioctl's to write or read to/from i2c registers. */ -static int -i2c_ioctl(struct inode *inode, struct file *file, - unsigned int cmd, unsigned long arg) +static long +i2c_ioctl(struct file *file, unsigned int cmd, unsigned long arg) { + int ret; if(_IOC_TYPE(cmd) != ETRAXI2C_IOCTYPE) { return -ENOTTY; } @@ -665,9 +665,13 @@ i2c_ioctl(struct inode *inode, struct file *file, I2C_ARGREG(arg), I2C_ARGVALUE(arg))); - return i2c_writereg(I2C_ARGSLAVE(arg), + lock_kernel(); + ret = i2c_writereg(I2C_ARGSLAVE(arg), I2C_ARGREG(arg), I2C_ARGVALUE(arg)); + unlock_kernel(); + return ret; + case I2C_READREG: { unsigned char val; @@ -675,7 +679,9 @@ i2c_ioctl(struct inode *inode, struct file *file, D(printk("i2cr %d %d ", I2C_ARGSLAVE(arg), I2C_ARGREG(arg))); + lock_kernel(); val = i2c_readreg(I2C_ARGSLAVE(arg), I2C_ARGREG(arg)); + unlock_kernel(); D(printk("= %d\n", val)); return val; } @@ -688,10 +694,10 @@ i2c_ioctl(struct inode *inode, struct file *file, } static const struct file_operations i2c_fops = { - .owner = THIS_MODULE, - .ioctl = i2c_ioctl, - .open = i2c_open, - .release = i2c_release, + .owner = THIS_MODULE, + .unlocked_ioctl = i2c_ioctl, + .open = i2c_open, + .release = i2c_release, }; static int __init i2c_init(void) |