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ACPI / PM: Fix error messages in drivers/acpi/bus.c
After recent changes of the ACPI device low-power states definitions kernel messages in drivers/acpi/bus.c need to be updated so that they include the correct names of the states in question (currently is "D3" for D3hot and "D4" for D3cold, which is incorrect). Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
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parent
b2201e5482
commit
63a1a765df
1 changed files with 28 additions and 9 deletions
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@ -182,6 +182,24 @@ EXPORT_SYMBOL(acpi_bus_get_private_data);
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Power Management
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-------------------------------------------------------------------------- */
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static const char *state_string(int state)
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{
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switch (state) {
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case ACPI_STATE_D0:
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return "D0";
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case ACPI_STATE_D1:
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return "D1";
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case ACPI_STATE_D2:
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return "D2";
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case ACPI_STATE_D3_HOT:
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return "D3hot";
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case ACPI_STATE_D3_COLD:
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return "D3";
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default:
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return "(unknown)";
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}
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}
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static int __acpi_bus_get_power(struct acpi_device *device, int *state)
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{
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int result = 0;
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@ -215,8 +233,8 @@ static int __acpi_bus_get_power(struct acpi_device *device, int *state)
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device->parent->power.state : ACPI_STATE_D0;
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}
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ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Device [%s] power state is D%d\n",
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device->pnp.bus_id, *state));
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ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Device [%s] power state is %s\n",
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device->pnp.bus_id, state_string(*state)));
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return 0;
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}
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@ -234,13 +252,14 @@ static int __acpi_bus_set_power(struct acpi_device *device, int state)
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/* Make sure this is a valid target state */
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if (state == device->power.state) {
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ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Device is already at D%d\n",
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state));
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ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Device is already at %s\n",
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state_string(state)));
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return 0;
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}
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if (!device->power.states[state].flags.valid) {
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printk(KERN_WARNING PREFIX "Device does not support D%d\n", state);
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printk(KERN_WARNING PREFIX "Device does not support %s\n",
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state_string(state));
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return -ENODEV;
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}
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if (device->parent && (state < device->parent->power.state)) {
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@ -294,13 +313,13 @@ static int __acpi_bus_set_power(struct acpi_device *device, int state)
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end:
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if (result)
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printk(KERN_WARNING PREFIX
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"Device [%s] failed to transition to D%d\n",
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device->pnp.bus_id, state);
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"Device [%s] failed to transition to %s\n",
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device->pnp.bus_id, state_string(state));
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else {
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device->power.state = state;
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ACPI_DEBUG_PRINT((ACPI_DB_INFO,
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"Device [%s] transitioned to D%d\n",
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device->pnp.bus_id, state));
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"Device [%s] transitioned to %s\n",
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device->pnp.bus_id, state_string(state)));
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}
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return result;
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