Since ACPI_PTR() is used to NULLify the value when !CONFIG_ACPI,
struct ehci_acpi_match becomes defined by unused.
Fixes the following W=1 kernel build warning(s):
drivers/usb/host/ehci-platform.c:478:36: warning: ‘ehci_acpi_match’ defined but not used [-Wunused-const-variable=]
478 | static const struct acpi_device_id ehci_acpi_match[] = {
| ^~~~~~~~~~~~~~~
Cc: Tony Prisk <linux@xxxxxxxxxxxxxxx>
Cc: Alan Stern <stern@xxxxxxxxxxxxxxxxxxx>
Cc: Philipp Zabel <p.zabel@xxxxxxxxxxxxxx>
Cc: Steven Brown <sbrown@xxxxxxxxxxxx>
Cc: Hauke Mehrtens <hauke@xxxxxxxxxx>
Cc: de Goede <hdegoede@xxxxxxxxxx>
Cc: Michael Buesch <m@xxxxxxx>
Signed-off-by: Lee Jones <lee.jones@xxxxxxxxxx>
---
drivers/usb/host/ehci-platform.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/usb/host/ehci-platform.c b/drivers/usb/host/ehci-platform.c
index e9a49007cce4a..006c4f6188a52 100644
--- a/drivers/usb/host/ehci-platform.c
+++ b/drivers/usb/host/ehci-platform.c
@@ -475,11 +475,13 @@ static const struct of_device_id vt8500_ehci_ids[] = {
};
MODULE_DEVICE_TABLE(of, vt8500_ehci_ids);
+#ifdef CONFIG_ACPI
static const struct acpi_device_id ehci_acpi_match[] = {
{ "PNP0D20", 0 }, /* EHCI controller without debug */
{ }
};
MODULE_DEVICE_TABLE(acpi, ehci_acpi_match);
+#endif
static const struct platform_device_id ehci_platform_table[] = {
{ "ehci-platform", 0 },
--
2.25.1
