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author | Paul Mundt <lethal@linux-sh.org> | 2012-08-01 13:49:13 +0900 |
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committer | Paul Mundt <lethal@linux-sh.org> | 2012-08-01 13:49:13 +0900 |
commit | 91ba548cfd5cc8ee93b9435527efb8fa4caf5c5e (patch) | |
tree | c96ed92413044a28d17783e84a8824bfd2437af1 /drivers/w1/slaves/w1_ds2781.c | |
parent | sh: modify the sh_dmae_slave_config for RSPI in setup-sh7757 (diff) | |
parent | serial: sh-sci: fix compilation breakage, when DMA is enabled (diff) | |
download | linux-dev-91ba548cfd5cc8ee93b9435527efb8fa4caf5c5e.tar.xz linux-dev-91ba548cfd5cc8ee93b9435527efb8fa4caf5c5e.zip |
Merge branch 'sh/dmaengine' into sh-latest
Diffstat (limited to 'drivers/w1/slaves/w1_ds2781.c')
-rw-r--r-- | drivers/w1/slaves/w1_ds2781.c | 22 |
1 files changed, 4 insertions, 18 deletions
diff --git a/drivers/w1/slaves/w1_ds2781.c b/drivers/w1/slaves/w1_ds2781.c index 0d0c7985293f..877daf74159c 100644 --- a/drivers/w1/slaves/w1_ds2781.c +++ b/drivers/w1/slaves/w1_ds2781.c @@ -58,30 +58,16 @@ int w1_ds2781_io(struct device *dev, char *buf, int addr, size_t count, if (!dev) return -ENODEV; - mutex_lock(&sl->master->mutex); + mutex_lock(&sl->master->bus_mutex); ret = w1_ds2781_do_io(dev, buf, addr, count, io); - mutex_unlock(&sl->master->mutex); + mutex_unlock(&sl->master->bus_mutex); return ret; } EXPORT_SYMBOL(w1_ds2781_io); -int w1_ds2781_io_nolock(struct device *dev, char *buf, int addr, size_t count, - int io) -{ - int ret; - - if (!dev) - return -ENODEV; - - ret = w1_ds2781_do_io(dev, buf, addr, count, io); - - return ret; -} -EXPORT_SYMBOL(w1_ds2781_io_nolock); - int w1_ds2781_eeprom_cmd(struct device *dev, int addr, int cmd) { struct w1_slave *sl = container_of(dev, struct w1_slave, dev); @@ -89,14 +75,14 @@ int w1_ds2781_eeprom_cmd(struct device *dev, int addr, int cmd) if (!dev) return -EINVAL; - mutex_lock(&sl->master->mutex); + mutex_lock(&sl->master->bus_mutex); if (w1_reset_select_slave(sl) == 0) { w1_write_8(sl->master, cmd); w1_write_8(sl->master, addr); } - mutex_unlock(&sl->master->mutex); + mutex_unlock(&sl->master->bus_mutex); return 0; } EXPORT_SYMBOL(w1_ds2781_eeprom_cmd); |