This enables USB on the ARM juno board when booted with
an ACPI kernel. The PNP id comes from the PNP/ACPI registry
and describes a EHCI controller without debug.
Signed-off-by: Jeremy Linton <jeremy.linton@xxxxxxx>
---
drivers/usb/host/ehci-platform.c | 9 +++++++++
1 file changed, 9 insertions(+)
diff --git a/drivers/usb/host/ehci-platform.c b/drivers/usb/host/ehci-platform.c
index 82e396f..1807baa 100644
--- a/drivers/usb/host/ehci-platform.c
+++ b/drivers/usb/host/ehci-platform.c
@@ -27,6 +27,7 @@
#include <linux/io.h>
#include <linux/module.h>
#include <linux/of.h>
+#include <linux/acpi.h>
#include <linux/phy/phy.h>
#include <linux/platform_device.h>
#include <linux/reset.h>
@@ -382,6 +383,13 @@ static const struct of_device_id vt8500_ehci_ids[] = {
};
MODULE_DEVICE_TABLE(of, vt8500_ehci_ids);
+static const struct acpi_device_id ehci_acpi_match[] = {
+ { "PNP0D20", 0 },
+ { }
+};
+MODULE_DEVICE_TABLE(acpi, ehci_acpi_match);
+
+
static const struct platform_device_id ehci_platform_table[] = {
{ "ehci-platform", 0 },
{ }
@@ -400,6 +408,7 @@ static struct platform_driver ehci_platform_driver = {
.name = "ehci-platform",
.pm = &ehci_platform_pm_ops,
.of_match_table = vt8500_ehci_ids,
+ .acpi_match_table = ACPI_PTR(ehci_acpi_match),
}
};
--
2.4.3
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