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ACPI: x86: s2idle: Add for_each_lpi_constraint() helper

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We have one existing and one coming user of this macro.
Introduce a helper.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Mario Limonciello <mario.limonciello@amd.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
This commit is contained in:
Andy Shevchenko 2023-08-18 14:40:06 -05:00 • committed by Rafael J. Wysocki
parent a879058d01
commit 4123398811
1 changed files with 15 additions and 11 deletions
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26
drivers/acpi/x86/s2idle.c
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@ -94,6 +94,11 @@ static struct lpi_constraints *lpi_constraints_table;
static int lpi_constraints_table_size;
static int rev_id;
#define for_each_lpi_constraint(entry) \
for (int i = 0; \
entry = &lpi_constraints_table[i], i < lpi_constraints_table_size; \
i++)
static void lpi_device_get_constraints_amd(void)
{
union acpi_object *out_obj;
@ -296,30 +301,29 @@ free_acpi_buffer:
static void lpi_check_constraints(void)
{
int i;
struct lpi_constraints *entry;
for (i = 0; i < lpi_constraints_table_size; ++i) {
acpi_handle handle = lpi_constraints_table[i].handle;
struct acpi_device *adev = acpi_fetch_acpi_dev(handle);
for_each_lpi_constraint(entry) {
struct acpi_device *adev = acpi_fetch_acpi_dev(entry->handle);
if (!adev)
continue;
acpi_handle_debug(handle,
acpi_handle_debug(entry->handle,
"LPI: required min power state:%s current power state:%s\n",
acpi_power_state_string(lpi_constraints_table[i].min_dstate),
acpi_power_state_string(entry->min_dstate),
acpi_power_state_string(adev->power.state));
if (!adev->flags.power_manageable) {
acpi_handle_info(handle, "LPI: Device not power manageable\n");
lpi_constraints_table[i].handle = NULL;
acpi_handle_info(entry->handle, "LPI: Device not power manageable\n");
entry->handle = NULL;
continue;
}
if (adev->power.state < lpi_constraints_table[i].min_dstate)
acpi_handle_info(handle,
if (adev->power.state < entry->min_dstate)
acpi_handle_info(entry->handle,
"LPI: Constraint not met; min power state:%s current power state:%s\n",
acpi_power_state_string(lpi_constraints_table[i].min_dstate),
acpi_power_state_string(entry->min_dstate),
acpi_power_state_string(adev->power.state));
}
}