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| author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2013-08-22 02:44:56 +0400 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2013-08-22 22:05:42 +0400 |
| commit | b8a9f44fea2b97f34d95f983ecf5f1072632b421 (patch) | |
| tree | 1dfa48227bd1c471fe741abfbe974c5e3508c28b /drivers/w1 | |
| parent | 36c27a655a531f16b5567066600f0ea7fcb973b4 (diff) | |
| download | linux-b8a9f44fea2b97f34d95f983ecf5f1072632b421.tar.xz | |
w1: slaves: w1_therm: 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: David Stevenson <david@avoncliff.com>
Cc: Alexander Stein <alexander.stein@informatik.tu-chemnitz.de>
Cc: Michael Arndt <michael@scriptkiller.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/w1')
| -rw-r--r-- | drivers/w1/slaves/w1_therm.c | 24 |
1 files changed, 9 insertions, 15 deletions
diff --git a/drivers/w1/slaves/w1_therm.c b/drivers/w1/slaves/w1_therm.c index 8978360bd387..8b5ff33f72cf 100644 --- a/drivers/w1/slaves/w1_therm.c +++ b/drivers/w1/slaves/w1_therm.c @@ -59,25 +59,19 @@ static int w1_strong_pullup = 1; module_param_named(strong_pullup, w1_strong_pullup, int, 0); -static ssize_t w1_therm_read(struct device *device, +static ssize_t w1_slave_show(struct device *device, struct device_attribute *attr, char *buf); -static struct device_attribute w1_therm_attr = - __ATTR(w1_slave, S_IRUGO, w1_therm_read, NULL); +static DEVICE_ATTR_RO(w1_slave); -static int w1_therm_add_slave(struct w1_slave *sl) -{ - return device_create_file(&sl->dev, &w1_therm_attr); -} - -static void w1_therm_remove_slave(struct w1_slave *sl) -{ - device_remove_file(&sl->dev, &w1_therm_attr); -} +static struct attribute *w1_therm_attrs[] = { + &dev_attr_w1_slave.attr, + NULL, +}; +ATTRIBUTE_GROUPS(w1_therm); static struct w1_family_ops w1_therm_fops = { - .add_slave = w1_therm_add_slave, - .remove_slave = w1_therm_remove_slave, + .groups = w1_therm_groups, }; static struct w1_family w1_therm_family_DS18S20 = { @@ -178,7 +172,7 @@ static inline int w1_convert_temp(u8 rom[9], u8 fid) } -static ssize_t w1_therm_read(struct device *device, +static ssize_t w1_slave_show(struct device *device, struct device_attribute *attr, char *buf) { struct w1_slave *sl = dev_to_w1_slave(device); |