From 970b04929a68134acca17878b1d93e115e58c12a Mon Sep 17 00:00:00 2001 From: Bjorn Helgaas Date: Mon, 22 Jun 2009 20:41:19 +0000 Subject: [PATCH] ACPI: processor: remove .start() method This patch folds the .start() method into .add(). acpi_processor_start() is always called immediately after acpi_processor_add(), so there's really no point in having them be separate methods. Signed-off-by: Bjorn Helgaas Reviewed-by: Alex Chiang CC: Venkatesh Pallipadi CC: Zhao Yakui Signed-off-by: Len Brown --- drivers/acpi/processor_core.c | 44 +++++++------------------------------------ 1 file changed, 7 insertions(+), 37 deletions(-) diff --git a/drivers/acpi/processor_core.c b/drivers/acpi/processor_core.c index 53de55e..8014e2a 100644 --- a/drivers/acpi/processor_core.c +++ b/drivers/acpi/processor_core.c @@ -79,7 +79,6 @@ MODULE_DESCRIPTION("ACPI Processor Driver"); MODULE_LICENSE("GPL"); static int acpi_processor_add(struct acpi_device *device); -static int acpi_processor_start(struct acpi_device *device); static int acpi_processor_remove(struct acpi_device *device, int type); static int acpi_processor_info_open_fs(struct inode *inode, struct file *file); static void acpi_processor_notify(struct acpi_device *device, u32 event); @@ -101,7 +100,6 @@ static struct acpi_driver acpi_processor_driver = { .ops = { .add = acpi_processor_add, .remove = acpi_processor_remove, - .start = acpi_processor_start, .suspend = acpi_processor_suspend, .resume = acpi_processor_resume, .notify = acpi_processor_notify, @@ -760,10 +758,8 @@ static struct notifier_block acpi_cpu_notifier = static int acpi_processor_add(struct acpi_device *device) { struct acpi_processor *pr = NULL; - - - if (!device) - return -EINVAL; + int result = 0; + struct sys_device *sysdev; pr = kzalloc(sizeof(struct acpi_processor), GFP_KERNEL); if (!pr) @@ -779,17 +775,6 @@ static int acpi_processor_add(struct acpi_device *device) strcpy(acpi_device_class(device), ACPI_PROCESSOR_CLASS); device->driver_data = pr; - return 0; -} - -static int __cpuinit acpi_processor_start(struct acpi_device *device) -{ - int result = 0; - struct acpi_processor *pr; - struct sys_device *sysdev; - - pr = acpi_driver_data(device); - result = acpi_processor_get_info(device); if (result) { /* Processor is physically not present */ @@ -807,7 +792,8 @@ static int __cpuinit acpi_processor_start(struct acpi_device *device) per_cpu(processor_device_array, pr->id) != device) { printk(KERN_WARNING "BIOS reported wrong ACPI id " "for the processor\n"); - return -ENODEV; + result = -ENODEV; + goto err_free_cpumask; } per_cpu(processor_device_array, pr->id) = device; @@ -815,7 +801,7 @@ static int __cpuinit acpi_processor_start(struct acpi_device *device) result = acpi_processor_add_fs(device); if (result) - return result; + goto err_free_cpumask; sysdev = get_cpu_sysdev(pr->id); if (sysfs_create_link(&device->dev.kobj, &sysdev->kobj, "sysdev")) { @@ -879,6 +865,8 @@ err_power_exit: acpi_processor_power_exit(pr, device); err_remove_fs: acpi_processor_remove_fs(device); +err_free_cpumask: + free_cpumask_var(pr->throttling.shared_cpu_map); return result; } @@ -957,7 +945,6 @@ int acpi_processor_device_add(acpi_handle handle, struct acpi_device **device) { acpi_handle phandle; struct acpi_device *pdev; - struct acpi_processor *pr; if (acpi_get_parent(handle, &phandle)) { @@ -972,12 +959,6 @@ int acpi_processor_device_add(acpi_handle handle, struct acpi_device **device) return -ENODEV; } - acpi_bus_start(*device); - - pr = acpi_driver_data(*device); - if (!pr) - return -ENODEV; - return 0; } @@ -1007,17 +988,6 @@ static void __ref acpi_processor_hotplug_notify(acpi_handle handle, "Unable to add the device\n"); break; } - - pr = acpi_driver_data(device); - if (!pr) { - printk(KERN_ERR PREFIX "Driver data is NULL\n"); - break; - } - - result = acpi_processor_start(device); - if (result) - printk(KERN_ERR PREFIX "Device [%s] failed to start\n", - acpi_device_bid(device)); break; case ACPI_NOTIFY_EJECT_REQUEST: ACPI_DEBUG_PRINT((ACPI_DB_INFO, -- 1.8.2.3