From 05730c1952787faa422ea2898634a1f9cdb61161 Mon Sep 17 00:00:00 2001 From: Jiang Liu Date: Wed, 19 Feb 2014 14:02:15 +0800 Subject: ACPI: rename acpi_evaluate_hotplug_ost() to acpi_evaluate_ost() Rename acpi_evaluate_hotplug_ost() to acpi_evaluate_ost() for later resue. Signed-off-by: Jiang Liu Signed-off-by: Rafael J. Wysocki --- drivers/acpi/utils.c | 14 ++++---------- 1 file changed, 4 insertions(+), 10 deletions(-) (limited to 'drivers/acpi/utils.c') diff --git a/drivers/acpi/utils.c b/drivers/acpi/utils.c index 85e3b612bdc..19d01697408 100644 --- a/drivers/acpi/utils.c +++ b/drivers/acpi/utils.c @@ -433,17 +433,15 @@ EXPORT_SYMBOL(acpi_get_physical_device_location); * When the platform does not support _OST, this function has no effect. */ acpi_status -acpi_evaluate_hotplug_ost(acpi_handle handle, u32 source_event, - u32 status_code, struct acpi_buffer *status_buf) +acpi_evaluate_ost(acpi_handle handle, u32 source_event, u32 status_code, + struct acpi_buffer *status_buf) { -#ifdef ACPI_HOTPLUG_OST union acpi_object params[3] = { {.type = ACPI_TYPE_INTEGER,}, {.type = ACPI_TYPE_INTEGER,}, {.type = ACPI_TYPE_BUFFER,} }; struct acpi_object_list arg_list = {3, params}; - acpi_status status; params[0].integer.value = source_event; params[1].integer.value = status_code; @@ -455,13 +453,9 @@ acpi_evaluate_hotplug_ost(acpi_handle handle, u32 source_event, params[2].buffer.length = 0; } - status = acpi_evaluate_object(handle, "_OST", &arg_list, NULL); - return status; -#else - return AE_OK; -#endif + return acpi_evaluate_object(handle, "_OST", &arg_list, NULL); } -EXPORT_SYMBOL(acpi_evaluate_hotplug_ost); +EXPORT_SYMBOL(acpi_evaluate_ost); /** * acpi_handle_printk: Print message with ACPI prefix and object path -- cgit v1.2.3-70-g09d2 From 700b8422fb9e6041907bda45a15f4e2ab0438a04 Mon Sep 17 00:00:00 2001 From: "Rafael J. Wysocki" Date: Fri, 21 Feb 2014 01:07:17 +0100 Subject: ACPI: Drop acpi_evaluate_hotplug_ost() and ACPI_HOTPLUG_OST Replace acpi_evaluate_hotplug_ost() with acpi_evaluate_ost() everywhere and drop the ACPI_HOTPLUG_OST symbol so that hotplug _OST is supported unconditionally. Signed-off-by: Rafael J. Wysocki Acked-by: Toshi Kani --- drivers/acpi/bus.c | 4 +--- drivers/acpi/scan.c | 10 +++++----- drivers/acpi/utils.c | 2 +- drivers/xen/xen-acpi-cpuhotplug.c | 2 +- drivers/xen/xen-acpi-memhotplug.c | 2 +- include/acpi/acpi_bus.h | 8 -------- 6 files changed, 9 insertions(+), 19 deletions(-) (limited to 'drivers/acpi/utils.c') diff --git a/drivers/acpi/bus.c b/drivers/acpi/bus.c index e61e7b8a2ea..4cefb98f274 100644 --- a/drivers/acpi/bus.c +++ b/drivers/acpi/bus.c @@ -311,9 +311,7 @@ static void acpi_bus_osc_support(void) capbuf[OSC_SUPPORT_DWORD] |= OSC_SB_PPC_OST_SUPPORT; #endif -#ifdef ACPI_HOTPLUG_OST capbuf[OSC_SUPPORT_DWORD] |= OSC_SB_HOTPLUG_OST_SUPPORT; -#endif if (!ghes_disable) capbuf[OSC_SUPPORT_DWORD] |= OSC_SB_APEI_SUPPORT; @@ -410,7 +408,7 @@ static void acpi_bus_notify(acpi_handle handle, u32 type, void *data) return; err: - acpi_evaluate_hotplug_ost(handle, type, ost_code, NULL); + acpi_evaluate_ost(handle, type, ost_code, NULL); } /* -------------------------------------------------------------------------- diff --git a/drivers/acpi/scan.c b/drivers/acpi/scan.c index 3fc530a8d36..f2d8d1c1c39 100644 --- a/drivers/acpi/scan.c +++ b/drivers/acpi/scan.c @@ -463,8 +463,8 @@ static int acpi_generic_hotplug_event(struct acpi_device *adev, u32 type) dev_info(&adev->dev, "Eject disabled\n"); return -EPERM; } - acpi_evaluate_hotplug_ost(adev->handle, ACPI_NOTIFY_EJECT_REQUEST, - ACPI_OST_SC_EJECT_IN_PROGRESS, NULL); + acpi_evaluate_ost(adev->handle, ACPI_NOTIFY_EJECT_REQUEST, + ACPI_OST_SC_EJECT_IN_PROGRESS, NULL); return acpi_scan_hot_remove(adev); } return -EINVAL; @@ -512,7 +512,7 @@ void acpi_device_hotplug(void *data, u32 src) ost_code = ACPI_OST_SC_SUCCESS; err_out: - acpi_evaluate_hotplug_ost(adev->handle, src, ost_code, NULL); + acpi_evaluate_ost(adev->handle, src, ost_code, NULL); out: acpi_bus_put_acpi_device(adev); @@ -572,8 +572,8 @@ acpi_eject_store(struct device *d, struct device_attribute *attr, return count; put_device(&acpi_device->dev); - acpi_evaluate_hotplug_ost(acpi_device->handle, ACPI_OST_EC_OSPM_EJECT, - ACPI_OST_SC_NON_SPECIFIC_FAILURE, NULL); + acpi_evaluate_ost(acpi_device->handle, ACPI_OST_EC_OSPM_EJECT, + ACPI_OST_SC_NON_SPECIFIC_FAILURE, NULL); return status == AE_NO_MEMORY ? -ENOMEM : -EAGAIN; } diff --git a/drivers/acpi/utils.c b/drivers/acpi/utils.c index 19d01697408..0f5f78fa654 100644 --- a/drivers/acpi/utils.c +++ b/drivers/acpi/utils.c @@ -422,7 +422,7 @@ out: EXPORT_SYMBOL(acpi_get_physical_device_location); /** - * acpi_evaluate_hotplug_ost: Evaluate _OST for hotplug operations + * acpi_evaluate_ost: Evaluate _OST for hotplug operations * @handle: ACPI device handle * @source_event: source event code * @status_code: status code diff --git a/drivers/xen/xen-acpi-cpuhotplug.c b/drivers/xen/xen-acpi-cpuhotplug.c index 80875fb770e..3e62ee4b3b6 100644 --- a/drivers/xen/xen-acpi-cpuhotplug.c +++ b/drivers/xen/xen-acpi-cpuhotplug.c @@ -313,7 +313,7 @@ static void acpi_processor_hotplug_notify(acpi_handle handle, goto out; } - (void) acpi_evaluate_hotplug_ost(handle, event, ost_code, NULL); + (void) acpi_evaluate_ost(handle, event, ost_code, NULL); out: acpi_scan_lock_release(); diff --git a/drivers/xen/xen-acpi-memhotplug.c b/drivers/xen/xen-acpi-memhotplug.c index f8d18626969..34e40b733f9 100644 --- a/drivers/xen/xen-acpi-memhotplug.c +++ b/drivers/xen/xen-acpi-memhotplug.c @@ -285,7 +285,7 @@ static void acpi_memory_device_notify(acpi_handle handle, u32 event, void *data) return; } - (void) acpi_evaluate_hotplug_ost(handle, event, ost_code, NULL); + (void) acpi_evaluate_ost(handle, event, ost_code, NULL); return; } diff --git a/include/acpi/acpi_bus.h b/include/acpi/acpi_bus.h index 5225fe06e4f..4308a9aacc9 100644 --- a/include/acpi/acpi_bus.h +++ b/include/acpi/acpi_bus.h @@ -51,14 +51,6 @@ acpi_evaluate_reference(acpi_handle handle, acpi_status acpi_evaluate_ost(acpi_handle handle, u32 source_event, u32 status_code, struct acpi_buffer *status_buf); -#ifdef ACPI_HOTPLUG_OST -#define acpi_evaluate_hotplug_ost acpi_evaluate_ost -#else -static inline acpi_status -acpi_evaluate_hotplug_ost(acpi_handle handle, u32 source_event, - u32 status_code, struct acpi_buffer *status_buf) -{ return AE_OK; } -#endif acpi_status acpi_get_physical_device_location(acpi_handle handle, struct acpi_pld_info **pld); -- cgit v1.2.3-70-g09d2 From 2d0acb4af981e20eb626c6ea1925e95056220b2a Mon Sep 17 00:00:00 2001 From: "jhbird.choi@samsung.com" Date: Thu, 20 Mar 2014 16:35:56 +0900 Subject: ACPI: Clean up memory allocations Use acpi_os_allocate_zeroed instead of acpi_os_allocate + memset. Signed-off-by: Jonghwan Choi [rjw: Subject and changelog] Signed-off-by: Rafael J. Wysocki --- drivers/acpi/osl.c | 3 +-- drivers/acpi/utils.c | 3 +-- 2 files changed, 2 insertions(+), 4 deletions(-) (limited to 'drivers/acpi/utils.c') diff --git a/drivers/acpi/osl.c b/drivers/acpi/osl.c index f7fd72ac69c..6776c599816 100644 --- a/drivers/acpi/osl.c +++ b/drivers/acpi/osl.c @@ -1219,10 +1219,9 @@ acpi_os_create_semaphore(u32 max_units, u32 initial_units, acpi_handle * handle) { struct semaphore *sem = NULL; - sem = acpi_os_allocate(sizeof(struct semaphore)); + sem = acpi_os_allocate_zeroed(sizeof(struct semaphore)); if (!sem) return AE_NO_MEMORY; - memset(sem, 0, sizeof(struct semaphore)); sema_init(sem, initial_units); diff --git a/drivers/acpi/utils.c b/drivers/acpi/utils.c index 0f5f78fa654..bba52614858 100644 --- a/drivers/acpi/utils.c +++ b/drivers/acpi/utils.c @@ -164,11 +164,10 @@ acpi_extract_package(union acpi_object *package, * Validate output buffer. */ if (buffer->length == ACPI_ALLOCATE_BUFFER) { - buffer->pointer = ACPI_ALLOCATE(size_required); + buffer->pointer = ACPI_ALLOCATE_ZEROED(size_required); if (!buffer->pointer) return AE_NO_MEMORY; buffer->length = size_required; - memset(buffer->pointer, 0, size_required); } else { if (buffer->length < size_required) { buffer->length = size_required; -- cgit v1.2.3-70-g09d2