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path: root/drivers/acpi/acpi_lpss.c
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Diffstat (limited to 'drivers/acpi/acpi_lpss.c')
-rw-r--r--drivers/acpi/acpi_lpss.c51
1 files changed, 8 insertions, 43 deletions
diff --git a/drivers/acpi/acpi_lpss.c b/drivers/acpi/acpi_lpss.c
index 875de44961bf..04e273167e92 100644
--- a/drivers/acpi/acpi_lpss.c
+++ b/drivers/acpi/acpi_lpss.c
@@ -167,13 +167,9 @@ static struct pwm_lookup byt_pwm_lookup[] = {
static void byt_pwm_setup(struct lpss_private_data *pdata)
{
- u64 uid;
-
/* Only call pwm_add_table for the first PWM controller */
- if (acpi_dev_uid_to_integer(pdata->adev, &uid) || uid != 1)
- return;
-
- pwm_add_table(byt_pwm_lookup, ARRAY_SIZE(byt_pwm_lookup));
+ if (acpi_dev_uid_match(pdata->adev, 1))
+ pwm_add_table(byt_pwm_lookup, ARRAY_SIZE(byt_pwm_lookup));
}
#define LPSS_I2C_ENABLE 0x6c
@@ -218,13 +214,9 @@ static struct pwm_lookup bsw_pwm_lookup[] = {
static void bsw_pwm_setup(struct lpss_private_data *pdata)
{
- u64 uid;
-
/* Only call pwm_add_table for the first PWM controller */
- if (acpi_dev_uid_to_integer(pdata->adev, &uid) || uid != 1)
- return;
-
- pwm_add_table(bsw_pwm_lookup, ARRAY_SIZE(bsw_pwm_lookup));
+ if (acpi_dev_uid_match(pdata->adev, 1))
+ pwm_add_table(bsw_pwm_lookup, ARRAY_SIZE(bsw_pwm_lookup));
}
static const struct property_entry lpt_spi_properties[] = {
@@ -461,8 +453,9 @@ static int register_device_clock(struct acpi_device *adev,
if (!clk_name)
return -ENOMEM;
clk = clk_register_fractional_divider(NULL, clk_name, parent,
+ 0, prv_base, 1, 15, 16, 15,
CLK_FRAC_DIVIDER_POWER_OF_TWO_PS,
- prv_base, 1, 15, 16, 15, 0, NULL);
+ NULL);
parent = clk_name;
clk_name = kasprintf(GFP_KERNEL, "%s-update", devname);
@@ -570,34 +563,6 @@ static struct device *acpi_lpss_find_device(const char *hid, const char *uid)
return bus_find_device(&pci_bus_type, NULL, &data, match_hid_uid);
}
-static bool acpi_lpss_dep(struct acpi_device *adev, acpi_handle handle)
-{
- struct acpi_handle_list dep_devices;
- acpi_status status;
- bool ret = false;
- int i;
-
- if (!acpi_has_method(adev->handle, "_DEP"))
- return false;
-
- status = acpi_evaluate_reference(adev->handle, "_DEP", NULL,
- &dep_devices);
- if (ACPI_FAILURE(status)) {
- dev_dbg(&adev->dev, "Failed to evaluate _DEP.\n");
- return false;
- }
-
- for (i = 0; i < dep_devices.count; i++) {
- if (dep_devices.handles[i] == handle) {
- ret = true;
- break;
- }
- }
-
- acpi_handle_list_free(&dep_devices);
- return ret;
-}
-
static void acpi_lpss_link_consumer(struct device *dev1,
const struct lpss_device_links *link)
{
@@ -608,7 +573,7 @@ static void acpi_lpss_link_consumer(struct device *dev1,
return;
if ((link->dep_missing_ids && dmi_check_system(link->dep_missing_ids))
- || acpi_lpss_dep(ACPI_COMPANION(dev2), ACPI_HANDLE(dev1)))
+ || acpi_device_dep(ACPI_HANDLE(dev2), ACPI_HANDLE(dev1)))
device_link_add(dev2, dev1, link->flags);
put_device(dev2);
@@ -624,7 +589,7 @@ static void acpi_lpss_link_supplier(struct device *dev1,
return;
if ((link->dep_missing_ids && dmi_check_system(link->dep_missing_ids))
- || acpi_lpss_dep(ACPI_COMPANION(dev1), ACPI_HANDLE(dev2)))
+ || acpi_device_dep(ACPI_HANDLE(dev1), ACPI_HANDLE(dev2)))
device_link_add(dev1, dev2, link->flags);
put_device(dev2);