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| author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2013-08-21 15:45:00 -0700 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2013-08-22 11:05:43 -0700 |
| commit | b3c6061daca33c1e97b8da675a2529fc5d49c05e (patch) | |
| tree | 2c90434dcfd66cd630d0739d18dea9dcb07aee0a /drivers/w1 | |
| parent | 94c9e6d665011a9926c5f6fd349a6c665093e721 (diff) | |
| download | linux-b3c6061daca33c1e97b8da675a2529fc5d49c05e.tar.gz linux-b3c6061daca33c1e97b8da675a2529fc5d49c05e.tar.bz2 linux-b3c6061daca33c1e97b8da675a2529fc5d49c05e.zip | |
w1: slaves: w1_ds2431: convert to use w1_family_ops.groups
This moves the sysfs file creation/removal to the w1 core by using the
.groups field, saving code in the slave driver.
Acked-by: Evgeniy Polyakov <zbr@ioremap.net>
Cc: Alexander Stein <alexander.stein@informatik.tu-chemnitz.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/w1')
| -rw-r--r-- | drivers/w1/slaves/w1_ds2431.c | 43 |
1 files changed, 19 insertions, 24 deletions
diff --git a/drivers/w1/slaves/w1_ds2431.c b/drivers/w1/slaves/w1_ds2431.c index cef8605e43ec..9c4ff9d28adc 100644 --- a/drivers/w1/slaves/w1_ds2431.c +++ b/drivers/w1/slaves/w1_ds2431.c @@ -96,9 +96,9 @@ static int w1_f2d_readblock(struct w1_slave *sl, int off, int count, char *buf) return -1; } -static ssize_t w1_f2d_read_bin(struct file *filp, struct kobject *kobj, - struct bin_attribute *bin_attr, - char *buf, loff_t off, size_t count) +static ssize_t eeprom_read(struct file *filp, struct kobject *kobj, + struct bin_attribute *bin_attr, char *buf, + loff_t off, size_t count) { struct w1_slave *sl = kobj_to_w1_slave(kobj); int todo = count; @@ -202,9 +202,9 @@ retry: return 0; } -static ssize_t w1_f2d_write_bin(struct file *filp, struct kobject *kobj, - struct bin_attribute *bin_attr, - char *buf, loff_t off, size_t count) +static ssize_t eeprom_write(struct file *filp, struct kobject *kobj, + struct bin_attribute *bin_attr, char *buf, + loff_t off, size_t count) { struct w1_slave *sl = kobj_to_w1_slave(kobj); int addr, len; @@ -264,29 +264,24 @@ out_up: return count; } -static struct bin_attribute w1_f2d_bin_attr = { - .attr = { - .name = "eeprom", - .mode = S_IRUGO | S_IWUSR, - }, - .size = W1_F2D_EEPROM_SIZE, - .read = w1_f2d_read_bin, - .write = w1_f2d_write_bin, +static BIN_ATTR_RW(eeprom, W1_F2D_EEPROM_SIZE); + +static struct bin_attribute *w1_f2d_bin_attrs[] = { + &bin_attr_eeprom, + NULL, }; -static int w1_f2d_add_slave(struct w1_slave *sl) -{ - return sysfs_create_bin_file(&sl->dev.kobj, &w1_f2d_bin_attr); -} +static const struct attribute_group w1_f2d_group = { + .bin_attrs = w1_f2d_bin_attrs, +}; -static void w1_f2d_remove_slave(struct w1_slave *sl) -{ - sysfs_remove_bin_file(&sl->dev.kobj, &w1_f2d_bin_attr); -} +static const struct attribute_group *w1_f2d_groups[] = { + &w1_f2d_group, + NULL, +}; static struct w1_family_ops w1_f2d_fops = { - .add_slave = w1_f2d_add_slave, - .remove_slave = w1_f2d_remove_slave, + .groups = w1_f2d_groups, }; static struct w1_family w1_family_2d = { |