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mfd: mc13xxx: Don't require lock for simple register I/O 

Since the conversion to regmap there has been no need for device level
locking for I/O as regmap provides locking so remove the locks.

Signed-off-by: Mark Brown <broonie@linaro.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
This commit is contained in:
Mark Brown 2013-09-23 19:14:31 +01:00 committed by Lee Jones
parent 272b98c645
commit c29c2d4e6b
1 changed files with 0 additions and 5 deletions
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5
drivers/mfd/mc13xxx-core.c
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@ -158,8 +158,6 @@ int mc13xxx_reg_read(struct mc13xxx *mc13xxx, unsigned int offset, u32 *val)
{
int ret;
BUG_ON(!mutex_is_locked(&mc13xxx->lock));
if (offset > MC13XXX_NUMREGS)
return -EINVAL;
@ -172,8 +170,6 @@ EXPORT_SYMBOL(mc13xxx_reg_read);
int mc13xxx_reg_write(struct mc13xxx *mc13xxx, unsigned int offset, u32 val)
{
BUG_ON(!mutex_is_locked(&mc13xxx->lock));
dev_vdbg(mc13xxx->dev, "[0x%02x] <- 0x%06x\n", offset, val);
if (offset > MC13XXX_NUMREGS || val > 0xffffff)
@ -186,7 +182,6 @@ EXPORT_SYMBOL(mc13xxx_reg_write);
int mc13xxx_reg_rmw(struct mc13xxx *mc13xxx, unsigned int offset,
u32 mask, u32 val)
{
BUG_ON(!mutex_is_locked(&mc13xxx->lock));
BUG_ON(val & ~mask);
dev_vdbg(mc13xxx->dev, "[0x%02x] <- 0x%06x (mask: 0x%06x)\n",
offset, val, mask);