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ACPI: hotplug: PCI: Use the new acpi_evaluate_reg() helper

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Use the new acpi_evaluate_reg() helper in the acpiphp_glue.c code.

Acked-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
This commit is contained in:
Hans de Goede 2020-05-07 12:49:17 +02:00 committed by Rafael J. Wysocki
parent 132565d8ec
commit 6dd10c47e9
1 changed files with 3 additions and 10 deletions
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13
drivers/pci/hotplug/acpiphp_glue.c
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@ -385,19 +385,12 @@ static unsigned char acpiphp_max_busnr(struct pci_bus *bus)
static void acpiphp_set_acpi_region(struct acpiphp_slot *slot)
{
struct acpiphp_func *func;
union acpi_object params[2];
struct acpi_object_list arg_list;
list_for_each_entry(func, &slot->funcs, sibling) {
arg_list.count = 2;
arg_list.pointer = params;
params[0].type = ACPI_TYPE_INTEGER;
params[0].integer.value = ACPI_ADR_SPACE_PCI_CONFIG;
params[1].type = ACPI_TYPE_INTEGER;
params[1].integer.value = 1;
/* _REG is optional, we don't care about if there is failure */
acpi_evaluate_object(func_to_handle(func), "_REG", &arg_list,
NULL);
acpi_evaluate_reg(func_to_handle(func),
ACPI_ADR_SPACE_PCI_CONFIG,
ACPI_REG_CONNECT);
}
}