static int xgene_enet_reset(struct xgene_enet_pdata *pdata)
{
struct device *dev = &pdata->pdev->dev;
if (!xgene_ring_mgr_init(pdata))
return -ENODEV;
if (dev->of_node) {
clk_prepare_enable(pdata->clk);
udelay(5);
clk_disable_unprepare(pdata->clk);
udelay(5);
clk_prepare_enable(pdata->clk);
udelay(5);
} else {
#ifdef CONFIG_ACPI
if (acpi_has_method(ACPI_HANDLE(&pdata->pdev->dev), "_RST")) {
acpi_evaluate_object(ACPI_HANDLE(&pdata->pdev->dev),
"_RST", NULL, NULL);
} else if (acpi_has_method(ACPI_HANDLE(&pdata->pdev->dev),
"_INI")) {
acpi_evaluate_object(ACPI_HANDLE(&pdata->pdev->dev),
"_INI", NULL, NULL);
}
#endif
}
xgene_enet_ecc_init(pdata);
xgene_enet_config_ring_if_assoc(pdata);
return 0;
}
static int intel_mid_gps_probe(struct platform_device *pdev)
{
struct intel_mid_gps_platform_data *pdata = NULL;
int ret = 0;
pr_info("%s probe called\n", dev_name(&pdev->dev));
if (ACPI_HANDLE(&pdev->dev)) {
/* create a new platform data that will be
populated with gpio data from ACPI table */
unsigned long long port;
pdata = kzalloc(sizeof(struct intel_mid_gps_platform_data),
GFP_KERNEL);
if (!pdata)
return -ENOMEM;
pdata->gpio_reset = acpi_get_gpio_by_name(&pdev->dev,"RSET", NULL);
pdata->gpio_enable = acpi_get_gpio_by_name(&pdev->dev,"ENAB", NULL);
pdata->gpio_hostwake = acpi_get_gpio_by_name(&pdev->dev,"HSTW", NULL);
pr_info("%s enable: %d, reset: %d, hostwake: %d\n", __func__,
pdata->gpio_enable, pdata->gpio_reset, pdata->gpio_hostwake);
if (ACPI_FAILURE(acpi_evaluate_integer((acpi_handle)ACPI_HANDLE(&pdev->dev),
"UART", NULL, &port)))
dev_err(&pdev->dev, "Error evaluating acpi table, no HSU port\n");
else {
pdata->hsu_port = (unsigned int)port;
pr_info("GPS HSU port read from ACPI = %d\n", pdata->hsu_port);
}
platform_set_drvdata(pdev, pdata);
} else {
platform_set_drvdata(pdev, pdev->dev.platform_data);
}
ret = intel_mid_gps_init(pdev);
if (ret) {
dev_err(&pdev->dev, "Failed to initalize %s\n",
dev_name(&pdev->dev));
if (ACPI_HANDLE(&pdev->dev))
kfree(pdata);
}
return ret;
}
static int acpi_processor_stop(struct device *dev)
{
struct acpi_device *device;
struct acpi_processor *pr;
if (acpi_bus_get_device(ACPI_HANDLE(dev), &device))
return 0;
acpi_remove_notify_handler(device->handle, ACPI_DEVICE_NOTIFY,
acpi_processor_notify);
pr = acpi_driver_data(device);
if (!pr)
return 0;
acpi_processor_power_exit(pr);
if (pr->cdev) {
sysfs_remove_link(&device->dev.kobj, "thermal_cooling");
sysfs_remove_link(&pr->cdev->device.kobj, "device");
thermal_cooling_device_unregister(pr->cdev);
pr->cdev = NULL;
}
return 0;
}
static int intel_vbtn_probe(struct platform_device *device)
{
acpi_handle handle = ACPI_HANDLE(&device->dev);
struct intel_vbtn_priv *priv;
acpi_status status;
int err;
status = acpi_evaluate_object(handle, "VBDL", NULL, NULL);
if (ACPI_FAILURE(status)) {
dev_warn(&device->dev, "failed to read Intel Virtual Button driver\n");
return -ENODEV;
}
priv = devm_kzalloc(&device->dev, sizeof(*priv), GFP_KERNEL);
if (!priv)
return -ENOMEM;
dev_set_drvdata(&device->dev, priv);
err = intel_vbtn_input_setup(device);
if (err) {
pr_err("Failed to setup Intel Virtual Button\n");
return err;
}
status = acpi_install_notify_handler(handle,
ACPI_DEVICE_NOTIFY,
notify_handler,
device);
if (ACPI_FAILURE(status))
return -EBUSY;
return 0;
}
int acpi_i2c_install_space_handler(struct i2c_adapter *adapter)
{
acpi_handle handle = ACPI_HANDLE(adapter->dev.parent);
struct acpi_i2c_handler_data *data;
acpi_status status;
if (!handle)
return -ENODEV;
data = kzalloc(sizeof(struct acpi_i2c_handler_data),
GFP_KERNEL);
if (!data)
return -ENOMEM;
data->adapter = adapter;
status = acpi_bus_attach_private_data(handle, (void *)data);
if (ACPI_FAILURE(status)) {
kfree(data);
return -ENOMEM;
}
status = acpi_install_address_space_handler(handle,
ACPI_ADR_SPACE_GSBUS,
&acpi_i2c_space_handler,
NULL,
data);
if (ACPI_FAILURE(status)) {
dev_err(&adapter->dev, "Error installing i2c space handler\n");
acpi_bus_detach_private_data(handle);
kfree(data);
return -ENOMEM;
}
return 0;
}
/**
* radeon_atpx_get_client_id - get the client id
*
* @pdev: pci device
*
* look up whether we are the integrated or discrete GPU (all asics).
* Returns the client id.
*/
static int radeon_atpx_get_client_id(struct pci_dev *pdev)
{
if (radeon_atpx_priv.dhandle == ACPI_HANDLE(&pdev->dev))
return VGA_SWITCHEROO_IGD;
else
return VGA_SWITCHEROO_DIS;
}
/**
* acpi_dev_pm_get_node - Get ACPI device node for the given physical device.
* @dev: Device to get the ACPI node for.
*/
struct acpi_device *acpi_dev_pm_get_node(struct device *dev)
{
acpi_handle handle = ACPI_HANDLE(dev);
struct acpi_device *adev;
return handle && !acpi_bus_get_device(handle, &adev) ? adev : NULL;
}
static bool intel_dsm_pci_probe(struct pci_dev *pdev)
{
acpi_handle dhandle, intel_handle;
acpi_status status;
int ret;
dhandle = ACPI_HANDLE(&pdev->dev);
if (!dhandle)
return false;
status = acpi_get_handle(dhandle, "_DSM", &intel_handle);
if (ACPI_FAILURE(status)) {
DRM_DEBUG_KMS("no _DSM method for intel device\n");
return false;
}
ret = intel_dsm(dhandle, INTEL_DSM_FN_SUPPORTED_FUNCTIONS);
if (ret < 0) {
DRM_DEBUG_KMS("failed to get supported _DSM functions\n");
return false;
}
intel_dsm_priv.dhandle = dhandle;
intel_dsm_platform_mux_info();
return true;
}
int i2c_dw_probe_lock_support(struct dw_i2c_dev *dev)
{
acpi_status status;
unsigned long long shared_host = 0;
acpi_handle handle;
if (!dev || !dev->dev)
return 0;
handle = ACPI_HANDLE(dev->dev);
if (!handle)
return 0;
status = acpi_evaluate_integer(handle, "_SEM", NULL, &shared_host);
if (ACPI_FAILURE(status))
return 0;
if (!shared_host)
return 0;
if (!iosf_mbi_available())
return -EPROBE_DEFER;
dev_info(dev->dev, "I2C bus managed by PUNIT\n");
dev->acquire_lock = baytrail_i2c_acquire;
dev->release_lock = baytrail_i2c_release;
dev->pm_disabled = true;
pm_qos_add_request(&dev->pm_qos, PM_QOS_CPU_DMA_LATENCY,
PM_QOS_DEFAULT_VALUE);
return 0;
}
static int xgene_mdio_reset(struct xgene_mdio_pdata *pdata)
{
int ret;
if (pdata->dev->of_node) {
clk_prepare_enable(pdata->clk);
udelay(5);
clk_disable_unprepare(pdata->clk);
udelay(5);
clk_prepare_enable(pdata->clk);
udelay(5);
} else {
#ifdef CONFIG_ACPI
acpi_evaluate_object(ACPI_HANDLE(pdata->dev),
"_RST", NULL, NULL);
#endif
}
ret = xgene_enet_ecc_init(pdata);
if (ret) {
if (pdata->dev->of_node)
clk_disable_unprepare(pdata->clk);
return ret;
}
xgene_gmac_reset(pdata);
return 0;
}
/**
* cm3218_acpi_get_cpm_info() - Get CPM object from ACPI
* @client pointer of struct i2c_client.
* @obj_name pointer of ACPI object name.
* @count maximum size of return array.
* @vals pointer of array for return elements.
*
* Convert ACPI CPM table to array. Special thanks to Srinivas Pandruvada
* for his help implementing this routine.
*
* Return: -ENODEV for fail. Otherwise is number of elements.
*/
static int cm3218_acpi_get_cpm_info(struct i2c_client *client, char *obj_name,
int count, u64 *vals)
{
acpi_handle handle;
struct acpi_buffer buffer = {ACPI_ALLOCATE_BUFFER, NULL};
int i;
acpi_status status;
union acpi_object *cpm = NULL;
handle = ACPI_HANDLE(&client->dev);
if (!handle)
return -ENODEV;
status = acpi_evaluate_object(handle, obj_name, NULL, &buffer);
if (ACPI_FAILURE(status)) {
dev_err(&client->dev, "object %s not found\n", obj_name);
return -ENODEV;
}
cpm = buffer.pointer;
for (i = 0; i < cpm->package.count && i < count; ++i) {
union acpi_object *elem;
elem = &(cpm->package.elements[i]);
vals[i] = elem->integer.value;
}
kfree(buffer.pointer);
return i;
}
static int acpi_gpiochip_find(struct gpio_chip *gc, void *data)
{
if (!gc->dev)
return false;
return ACPI_HANDLE(gc->dev) == data;
}
static int intel_crc_pmic_opregion_probe(struct platform_device *pdev)
{
struct intel_soc_pmic *pmic = dev_get_drvdata(pdev->dev.parent);
return intel_pmic_install_opregion_handler(&pdev->dev,
ACPI_HANDLE(pdev->dev.parent), pmic->regmap,
&intel_crc_pmic_opregion_data);
}
static int meh_show(struct seq_file *seqfp, void *p) {
struct pci_dev *pdev = NULL;
while ((pdev = pci_get_device(PCI_ANY_ID, PCI_ANY_ID, pdev)) != NULL) {
struct acpi_buffer buf = { ACPI_ALLOCATE_BUFFER, NULL };
acpi_handle handle;
#ifdef ACPI_HANDLE
/* since Linux 3.8 */
handle = ACPI_HANDLE(&pdev->dev);
#else
/* removed since Linux 3.13 */
handle = DEVICE_ACPI_HANDLE(&pdev->dev);
#endif
seq_printf(seqfp, "%s ", dev_name(&pdev->dev));
seq_printf(seqfp, "%06x ", pdev->class);
if (handle) {
acpi_get_name(handle, ACPI_FULL_PATHNAME, &buf);
seq_printf(seqfp, "%s\n", (char *)buf.pointer);
} else {
seq_printf(seqfp, "\n");
}
}
return 0;
}
static int rfkill_gpio_probe(struct platform_device *pdev)
{
struct rfkill_gpio_platform_data *pdata = pdev->dev.platform_data;
struct rfkill_gpio_data *rfkill;
struct gpio_desc *gpio;
int ret;
rfkill = devm_kzalloc(&pdev->dev, sizeof(*rfkill), GFP_KERNEL);
if (!rfkill)
return -ENOMEM;
if (ACPI_HANDLE(&pdev->dev)) {
ret = rfkill_gpio_acpi_probe(&pdev->dev, rfkill);
if (ret)
return ret;
} else if (pdata) {
rfkill->name = pdata->name;
rfkill->type = pdata->type;
} else {
return -ENODEV;
}
rfkill->clk = devm_clk_get(&pdev->dev, NULL);
gpio = devm_gpiod_get_optional(&pdev->dev, "reset", GPIOD_OUT_LOW);
if (IS_ERR(gpio))
return PTR_ERR(gpio);
rfkill->reset_gpio = gpio;
gpio = devm_gpiod_get_optional(&pdev->dev, "shutdown", GPIOD_OUT_LOW);
if (IS_ERR(gpio))
return PTR_ERR(gpio);
rfkill->shutdown_gpio = gpio;
/* Make sure at-least one of the GPIO is defined and that
* a name is specified for this instance
*/
if ((!rfkill->reset_gpio && !rfkill->shutdown_gpio) || !rfkill->name) {
dev_err(&pdev->dev, "invalid platform data\n");
return -EINVAL;
}
rfkill->rfkill_dev = rfkill_alloc(rfkill->name, &pdev->dev,
rfkill->type, &rfkill_gpio_ops,
rfkill);
if (!rfkill->rfkill_dev)
return -ENOMEM;
ret = rfkill_register(rfkill->rfkill_dev);
if (ret < 0)
return ret;
platform_set_drvdata(pdev, rfkill);
dev_info(&pdev->dev, "%s device registered.\n", rfkill->name);
return 0;
}
static void detect_tablet_mode(struct platform_device *device)
{
const char *chassis_type = dmi_get_system_info(DMI_CHASSIS_TYPE);
struct intel_vbtn_priv *priv = dev_get_drvdata(&device->dev);
acpi_handle handle = ACPI_HANDLE(&device->dev);
struct acpi_buffer vgbs_output = { ACPI_ALLOCATE_BUFFER, NULL };
union acpi_object *obj;
acpi_status status;
int m;
if (!(chassis_type && strcmp(chassis_type, "31") == 0))
goto out;
status = acpi_evaluate_object(handle, "VGBS", NULL, &vgbs_output);
if (ACPI_FAILURE(status))
goto out;
obj = vgbs_output.pointer;
if (!(obj && obj->type == ACPI_TYPE_INTEGER))
goto out;
m = !(obj->integer.value & TABLET_MODE_FLAG);
input_report_switch(priv->input_dev, SW_TABLET_MODE, m);
m = (obj->integer.value & DOCK_MODE_FLAG) ? 1 : 0;
input_report_switch(priv->input_dev, SW_DOCK, m);
out:
kfree(vgbs_output.pointer);
}
static void set_dflt_pwr_limit(struct iwl_trans *trans, struct pci_dev *pdev)
{
acpi_handle pxsx_handle;
acpi_handle handle;
struct acpi_buffer splx = {ACPI_ALLOCATE_BUFFER, NULL};
acpi_status status;
pxsx_handle = ACPI_HANDLE(&pdev->dev);
if (!pxsx_handle) {
IWL_ERR(trans, "Could not retrieve root port ACPI handle");
return;
}
/* Get the method's handle */
status = acpi_get_handle(pxsx_handle, (acpi_string)SPL_METHOD, &handle);
if (ACPI_FAILURE(status)) {
IWL_DEBUG_INFO(trans, "SPL method not found");
return;
}
/* Call SPLC with no arguments */
status = acpi_evaluate_object(handle, NULL, NULL, &splx);
if (ACPI_FAILURE(status)) {
IWL_ERR(trans, "SPLC invocation failed (0x%x)", status);
return;
}
trans->dflt_pwr_limit = splx_get_pwr_limit(trans, splx.pointer);
IWL_DEBUG_INFO(trans, "Default power limit set to %lld",
trans->dflt_pwr_limit);
kfree(splx.pointer);
}
static void dw_i2c_acpi_params(struct platform_device *pdev, char method[],
u16 *hcnt, u16 *lcnt, u32 *sda_hold)
{
struct acpi_buffer buf = { ACPI_ALLOCATE_BUFFER };
acpi_handle handle = ACPI_HANDLE(&pdev->dev);
union acpi_object *obj;
if (dmi_check_system(dw_i2c_no_acpi_params))
return;
if (ACPI_FAILURE(acpi_evaluate_object(handle, method, NULL, &buf)))
return;
obj = (union acpi_object *)buf.pointer;
if (obj->type == ACPI_TYPE_PACKAGE && obj->package.count == 3) {
const union acpi_object *objs = obj->package.elements;
*hcnt = (u16)objs[0].integer.value;
*lcnt = (u16)objs[1].integer.value;
if (sda_hold)
*sda_hold = (u32)objs[2].integer.value;
}
kfree(buf.pointer);
}
/**
* amdgpu_atpx_get_client_id - get the client id
*
* @pdev: pci device
*
* look up whether we are the integrated or discrete GPU (all asics).
* Returns the client id.
*/
static enum vga_switcheroo_client_id amdgpu_atpx_get_client_id(struct pci_dev *pdev)
{
if (amdgpu_atpx_priv.dhandle == ACPI_HANDLE(&pdev->dev))
return VGA_SWITCHEROO_IGD;
else
return VGA_SWITCHEROO_DIS;
}
struct nhlt_acpi_table *skl_nhlt_init(struct device *dev)
{
acpi_handle handle;
union acpi_object *obj;
struct nhlt_resource_desc *nhlt_ptr = NULL;
struct nhlt_acpi_table *nhlt_table = NULL;
handle = ACPI_HANDLE(dev);
if (!handle) {
dev_err(dev, "Didn't find ACPI_HANDLE\n");
return NULL;
}
obj = acpi_evaluate_dsm(handle, &osc_guid, 1, 1, NULL);
if (obj && obj->type == ACPI_TYPE_BUFFER) {
nhlt_ptr = (struct nhlt_resource_desc *)obj->buffer.pointer;
nhlt_table = (struct nhlt_acpi_table *)
memremap(nhlt_ptr->min_addr, nhlt_ptr->length,
MEMREMAP_WB);
ACPI_FREE(obj);
if (nhlt_table && (strncmp(nhlt_table->header.signature,
NHLT_ACPI_HEADER_SIG,
strlen(NHLT_ACPI_HEADER_SIG)) != 0)) {
memunmap(nhlt_table);
dev_err(dev, "NHLT ACPI header signature incorrect\n");
return NULL;
}
return nhlt_table;
}
dev_err(dev, "device specific method to extract NHLT blob failed\n");
return NULL;
}
int i2c_dw_eval_lock_support(struct dw_i2c_dev *dev)
{
acpi_status status;
unsigned long long shared_host = 0;
acpi_handle handle;
if (!dev || !dev->dev)
return 0;
handle = ACPI_HANDLE(dev->dev);
if (!handle)
return 0;
status = acpi_evaluate_integer(handle, "_SEM", NULL, &shared_host);
if (ACPI_FAILURE(status))
return 0;
if (shared_host) {
dev_info(dev->dev, "I2C bus managed by PUNIT\n");
dev->acquire_lock = baytrail_i2c_acquire;
dev->release_lock = baytrail_i2c_release;
dev->pm_runtime_disabled = true;
}
if (!iosf_mbi_available())
return -EPROBE_DEFER;
return 0;
}
static int wifi_plat_dev_drv_probe_acpi(struct platform_device *pdev)
{
wifi_adapter_info_t *adapter;
acpi_handle handle;
struct acpi_device *adev;
int irq_num;
/* Android style wifi platform data device ("bcmdhd_wlan" or "bcm4329_wlan")
* is kept for backward compatibility and supports only 1 adapter
*/
ASSERT(dhd_wifi_platdata != NULL);
ASSERT(dhd_wifi_platdata->num_adapters == 1);
adapter = &dhd_wifi_platdata->adapters[0];
adapter->wifi_plat_data = (void *)&dhd_wlan_control;
if (ACPI_HANDLE(&pdev->dev)) {
handle = ACPI_HANDLE(&pdev->dev);
/* Dont try to do acpi pm for the wifi module */
if (!handle || acpi_bus_get_device(handle, &adev))
DHD_ERROR(("%s: could not get acpi pointer!\n", __FUNCTION__));
else
adev->flags.power_manageable = 0;
irq_num = acpi_get_gpio_by_index(&pdev->dev, 0, NULL);
DHD_INFO(("%s: Using ACPI table to get IRQ number: %d\n", __FUNCTION__, irq_num));
if (irq_num < 0) {
if (INTEL_MID_BOARD(2, TABLET, BYT, BLB, PRO) ||
INTEL_MID_BOARD(2, TABLET, BYT, BLB, ENG)) {
DHD_INFO(("%s: BYT-M hardcoding\n", __FUNCTION__));
irq_num = acpi_get_gpio("\\_SB.GPO2", 17);
}
else {
DHD_INFO(("%s: BYT-T hardcoding\n", __FUNCTION__));
irq_num = acpi_get_gpio("\\_SB.GPO2", 15);
}
}
} else {
DHD_ERROR(("%s: Null ACPI_HANDLE, try legacy probe\n", __FUNCTION__));
return wifi_plat_dev_drv_probe(pdev);
}
adapter->irq_num = irq_num;
adapter->intr_flags = IRQF_TRIGGER_FALLING;
wifi_plat_dev_probe_ret = dhd_wifi_platform_load();
return wifi_plat_dev_probe_ret;
}
/**
* platform_get_irq - get an IRQ for a device
* @dev: platform device
* @num: IRQ number index
*/
int platform_get_irq(struct platform_device *dev, unsigned int num)
{
#ifdef CONFIG_SPARC
/* sparc does not have irqs represented as IORESOURCE_IRQ resources */
if (!dev || num >= dev->archdata.num_irqs)
return -ENXIO;
return dev->archdata.irqs[num];
#else
struct resource *r;
if (IS_ENABLED(CONFIG_OF_IRQ) && dev->dev.of_node) {
int ret;
ret = of_irq_get(dev->dev.of_node, num);
if (ret > 0 || ret == -EPROBE_DEFER)
return ret;
}
r = platform_get_resource(dev, IORESOURCE_IRQ, num);
if (has_acpi_companion(&dev->dev)) {
if (r && r->flags & IORESOURCE_DISABLED) {
int ret;
ret = acpi_irq_get(ACPI_HANDLE(&dev->dev), num, r);
if (ret)
return ret;
}
}
/*
* The resources may pass trigger flags to the irqs that need
* to be set up. It so happens that the trigger flags for
* IORESOURCE_BITS correspond 1-to-1 to the IRQF_TRIGGER*
* settings.
*/
if (r && r->flags & IORESOURCE_BITS) {
struct irq_data *irqd;
irqd = irq_get_irq_data(r->start);
if (!irqd)
return -ENXIO;
irqd_set_trigger_type(irqd, r->flags & IORESOURCE_BITS);
}
if (r)
return r->start;
/*
* For the index 0 interrupt, allow falling back to GpioInt
* resources. While a device could have both Interrupt and GpioInt
* resources, making this fallback ambiguous, in many common cases
* the device will only expose one IRQ, and this fallback
* allows a common code path across either kind of resource.
*/
if (num == 0 && has_acpi_companion(&dev->dev))
return acpi_dev_gpio_irq_get(ACPI_COMPANION(&dev->dev), num);
return -ENXIO;
#endif
}
static void xhci_pme_acpi_rtd3_enable(struct pci_dev *dev)
{
static const u8 intel_dsm_uuid[] = {
0xb7, 0x0c, 0x34, 0xac, 0x01, 0xe9, 0xbf, 0x45,
0xb7, 0xe6, 0x2b, 0x34, 0xec, 0x93, 0x1e, 0x23,
};
acpi_evaluate_dsm(ACPI_HANDLE(&dev->dev), intel_dsm_uuid, 3, 1, NULL);
}
static int intel_hid_probe(struct platform_device *device)
{
acpi_handle handle = ACPI_HANDLE(&device->dev);
struct intel_hid_priv *priv;
unsigned long long mode;
acpi_status status;
int err;
status = acpi_evaluate_integer(handle, "HDMM", NULL, &mode);
if (!ACPI_SUCCESS(status)) {
dev_warn(&device->dev, "failed to read mode\n");
return -ENODEV;
}
if (mode != 0) {
/*
* This driver only implements "simple" mode. There appear
* to be no other modes, but we should be paranoid and check
* for compatibility.
*/
dev_info(&device->dev, "platform is not in simple mode\n");
return -ENODEV;
}
priv = devm_kzalloc(&device->dev, sizeof(*priv), GFP_KERNEL);
if (!priv)
return -ENOMEM;
dev_set_drvdata(&device->dev, priv);
err = intel_hid_input_setup(device);
if (err) {
pr_err("Failed to setup Intel HID hotkeys\n");
return err;
}
status = acpi_install_notify_handler(handle,
ACPI_DEVICE_NOTIFY,
notify_handler,
device);
if (ACPI_FAILURE(status)) {
err = -EBUSY;
goto err_remove_input;
}
err = intel_hid_set_enable(&device->dev, 1);
if (err)
goto err_remove_notify;
return 0;
err_remove_notify:
acpi_remove_notify_handler(handle, ACPI_DEVICE_NOTIFY, notify_handler);
err_remove_input:
intel_hid_input_destroy(device);
return err;
}
static int pacpi_pre_reset(struct ata_link *link, unsigned long deadline)
{
struct ata_port *ap = link->ap;
struct pata_acpi *acpi = ap->private_data;
if (ACPI_HANDLE(&ap->tdev) == NULL || ata_acpi_gtm(ap, &acpi->gtm) < 0)
return -ENODEV;
return ata_sff_prereset(link, deadline);
}
static int intel_mid_gps_remove(struct platform_device *pdev)
{
intel_mid_gps_deinit(pdev);
if (ACPI_HANDLE(&pdev->dev))
kfree(dev_get_drvdata(&pdev->dev));
return 0;
}
static int acpi_processor_start(struct device *dev)
{
struct acpi_device *device;
if (acpi_bus_get_device(ACPI_HANDLE(dev), &device))
return -ENODEV;
return __acpi_processor_start(device);
}
static int ucsi_acpi_probe(struct platform_device *pdev)
{
struct resource *res;
acpi_status status;
struct ucsi *ucsi;
int ret;
ucsi = devm_kzalloc(&pdev->dev, sizeof(*ucsi), GFP_KERNEL);
if (!ucsi)
return -ENOMEM;
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
if (!res) {
dev_err(&pdev->dev, "missing memory resource\n");
return -ENODEV;
}
/*
* NOTE: ACPI has claimed the memory region as it's also an Operation
* Region. It's not possible to request it in the driver.
*/
ucsi->data = devm_ioremap(&pdev->dev, res->start, resource_size(res));
if (!ucsi->data)
return -ENOMEM;
ucsi->dev = &pdev->dev;
status = acpi_install_notify_handler(ACPI_HANDLE(&pdev->dev),
ACPI_ALL_NOTIFY,
ucsi_acpi_notify, ucsi);
if (ACPI_FAILURE(status))
return -ENODEV;
ret = ucsi_init(ucsi);
if (ret) {
acpi_remove_notify_handler(ACPI_HANDLE(&pdev->dev),
ACPI_ALL_NOTIFY,
ucsi_acpi_notify);
return ret;
}
platform_set_drvdata(pdev, ucsi);
return 0;
}
static int acpi_pci_set_power_state(struct pci_dev *dev, pci_power_t state)
{
acpi_handle handle = ACPI_HANDLE(&dev->dev);
static const u8 state_conv[] = {
[PCI_D0] = ACPI_STATE_D0,
[PCI_D1] = ACPI_STATE_D1,
[PCI_D2] = ACPI_STATE_D2,
[PCI_D3hot] = ACPI_STATE_D3_COLD,
[PCI_D3cold] = ACPI_STATE_D3_COLD,
};
