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-rw-r--r--drivers/usb/host/ehci-platform.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/usb/host/ehci-platform.c b/drivers/usb/host/ehci-platform.c
index 4585a3a24678..a48dd3fac153 100644
--- a/drivers/usb/host/ehci-platform.c
+++ b/drivers/usb/host/ehci-platform.c
@@ -42,6 +42,9 @@
#define EHCI_MAX_CLKS 4
#define hcd_to_ehci_priv(h) ((struct ehci_platform_priv *)hcd_to_ehci(h)->priv)
+#define BCM_USB_FIFO_THRESHOLD 0x00800040
+#define bcm_iproc_insnreg01 hostpc[0]
+
struct ehci_platform_priv {
struct clk *clks[EHCI_MAX_CLKS];
struct reset_control *rsts;
@@ -75,6 +78,11 @@ static int ehci_platform_reset(struct usb_hcd *hcd)
if (pdata->no_io_watchdog)
ehci->need_io_watchdog = 0;
+
+ if (of_device_is_compatible(pdev->dev.of_node, "brcm,xgs-iproc-ehci"))
+ ehci_writel(ehci, BCM_USB_FIFO_THRESHOLD,
+ &ehci->regs->bcm_iproc_insnreg01);
+
return 0;
}