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| author | Steve French <sfrench@us.ibm.com> | 2008-02-15 22:06:08 +0100 |
|---|---|---|
| committer | Steve French <sfrench@us.ibm.com> | 2008-02-15 22:06:08 +0100 |
| commit | 0a3abcf75bf391fec4e32356ab5ddb8f5d2e6b41 (patch) | |
| tree | b80b1d344ec24cad28b057ef803cebac9434be01 /drivers/cpuidle/sysfs.c | |
| parent | [CIFS] factoring out common code in get_inode_info functions (diff) | |
| parent | Linux 2.6.25-rc2 (diff) | |
| download | linux-0a3abcf75bf391fec4e32356ab5ddb8f5d2e6b41.tar.xz linux-0a3abcf75bf391fec4e32356ab5ddb8f5d2e6b41.zip | |
Merge branch 'master' of /pub/scm/linux/kernel/git/torvalds/linux-2.6
Diffstat (limited to 'drivers/cpuidle/sysfs.c')
| -rw-r--r-- | drivers/cpuidle/sysfs.c | 14 |
1 files changed, 11 insertions, 3 deletions
diff --git a/drivers/cpuidle/sysfs.c b/drivers/cpuidle/sysfs.c index 088ea74edd34..69102ca05685 100644 --- a/drivers/cpuidle/sysfs.c +++ b/drivers/cpuidle/sysfs.c @@ -218,16 +218,23 @@ static ssize_t show_state_##_name(struct cpuidle_state *state, char *buf) \ return sprintf(buf, "%u\n", state->_name);\ } -static ssize_t show_state_name(struct cpuidle_state *state, char *buf) -{ - return sprintf(buf, "%s\n", state->name); +#define define_show_state_str_function(_name) \ +static ssize_t show_state_##_name(struct cpuidle_state *state, char *buf) \ +{ \ + if (state->_name[0] == '\0')\ + return sprintf(buf, "<null>\n");\ + return sprintf(buf, "%s\n", state->_name);\ } define_show_state_function(exit_latency) define_show_state_function(power_usage) define_show_state_function(usage) define_show_state_function(time) +define_show_state_str_function(name) +define_show_state_str_function(desc) + define_one_state_ro(name, show_state_name); +define_one_state_ro(desc, show_state_desc); define_one_state_ro(latency, show_state_exit_latency); define_one_state_ro(power, show_state_power_usage); define_one_state_ro(usage, show_state_usage); @@ -235,6 +242,7 @@ define_one_state_ro(time, show_state_time); static struct attribute *cpuidle_state_default_attrs[] = { &attr_name.attr, + &attr_desc.attr, &attr_latency.attr, &attr_power.attr, &attr_usage.attr, |