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usb: host: xhci-plat: Do not define 'struct acpi_device_id' when !CONFIG_ACPI

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Since ACPI_PTR() is used to NULLify the value when !CONFIG_ACPI,
struct usb_xhci_acpi_match becomes defined by unused.

Fixes the following W=1 kernel build warning(s):

 drivers/usb/host/xhci-plat.c:457:36: warning: ‘usb_xhci_acpi_match’ defined but not used [-Wunused-const-variable=]
 457 | static const struct acpi_device_id usb_xhci_acpi_match[] = {
 | ^~~~~~~~~~~~~~~~~~~

Cc: Mathias Nyman <mathias.nyman@intel.com>
Cc: Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Link: https://lore.kernel.org/r/20200706133341.476881-33-lee.jones@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Lee Jones 2020-07-06 14:33:41 +01:00 committed by Greg Kroah-Hartman
parent a6a6d06f33
commit f535ad6c73
1 changed files with 2 additions and 0 deletions
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2
drivers/usb/host/xhci-plat.c
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@ -454,12 +454,14 @@ static const struct dev_pm_ops xhci_plat_pm_ops = {
NULL)
};
#ifdef CONFIG_ACPI
static const struct acpi_device_id usb_xhci_acpi_match[] = {
/* XHCI-compliant USB Controller */
{ "PNP0D10", },
{ }
};
MODULE_DEVICE_TABLE(acpi, usb_xhci_acpi_match);
#endif
static struct platform_driver usb_xhci_driver = {
.probe = xhci_plat_probe,