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| author | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2008-02-15 06:29:46 +0100 |
|---|---|---|
| committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2008-02-15 06:29:46 +0100 |
| commit | 4e3d0319451805cffa69bdb1352f1c9817bf28bc (patch) | |
| tree | ec9426300d73f742d7487142ca1a57ef806002bc /drivers/cpuidle/sysfs.c | |
| parent | Merge git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6 (diff) | |
| parent | Merge branches 'release', 'dmi', 'idle' and 'misc' into release (diff) | |
| download | linux-4e3d0319451805cffa69bdb1352f1c9817bf28bc.tar.xz linux-4e3d0319451805cffa69bdb1352f1c9817bf28bc.zip | |
Merge branch 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux-acpi-2.6
* 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux-acpi-2.6:
ACPI: DMI: quirk for FSC ESPRIMO Mobile V5505
ACPI: DMI blacklist updates
pnpacpi: __initdata is not an identifier
ACPI: static acpi_chain_head
ACPI: static acpi_find_dsdt_initrd()
ACPI: static acpi_no_initrd_override_setup()
thinkpad_acpi: static
ACPI suspend: Execute _WAK with the right argument
cpuidle: Add Documentation
ACPI, cpuidle: Clarify C-state description in sysfs
ACPI: fix suspend regression due to idle update
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, |