[U-Boot] [RFC Patch 2/2] driver/usb/fsl: Make FSL USB driver common

[York Sun]

Add ifdef for powerpc specific code. This driver can be used by arm SoCs.

Signed-off-by: York Sun <yorksun at freescale.com>
CC: Alison Wang <alison.wang at freescale.com>
CC: Nikhil Badola <nikhil.badola at freescale.com>
---
This patch is needed if fsl USB driver is enabled for ARM SoCs, like LS1021.

 drivers/usb/host/ehci-fsl.c |    5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/drivers/usb/host/ehci-fsl.c b/drivers/usb/host/ehci-fsl.c
index 79fb6b4..994bfd7 100644
--- a/drivers/usb/host/ehci-fsl.c
+++ b/drivers/usb/host/ehci-fsl.c
@@ -130,9 +130,11 @@ int ehci_hcd_init(int index, enum usb_init_type init,
 
 	in_le32(&ehci->usbmode);
 
+#ifdef CONFIG_PPC
 	if (SVR_SOC_VER(get_svr()) == SVR_T4240 &&
 	    IS_SVR_REV(get_svr(), 2, 0))
 		set_txfifothresh(ehci, TXFIFOTHRESH);
+#endif
 
 	return 0;
 }
@@ -151,7 +153,8 @@ int ehci_hcd_stop(int index)
  * to counter DDR latencies in writing data into Tx buffer.
  * This prevents Tx buffer from getting underrun
  */
-static void set_txfifothresh(struct usb_ehci *ehci, u32 txfifo_thresh)
+static void __maybe_unused set_txfifothresh(struct usb_ehci *ehci,
+					    u32 txfifo_thresh)
 {
 	u32 cmd;
 	cmd = ehci_readl(&ehci->txfilltuning);
-- 
1.7.9.5