From: William Wu <william.wu@rock-chips.com>
Date: Tue, 1 Aug 2017 06:59:42 +0000 (+0800)
Subject: usb: ohci-platform: disable ohci for rk3288
X-Git-Tag: release-20171130_firefly~4^2~64
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=32f0d2c081df4b3e22e8753e52cd91c388d79cd9;p=firefly-linux-kernel-4.4.55.git

usb: ohci-platform: disable ohci for rk3288

rk3288 ohci doesn't actually work on hardware, so we
need to disable it in ohci-platform driver.

Change-Id: I72750edda67358ff1e8fe66047bf60420500997e
Signed-off-by: William Wu <william.wu@rock-chips.com>
---

diff --git a/drivers/usb/host/ohci-platform.c b/drivers/usb/host/ohci-platform.c
index d7a410628748..c47e7ab2af47 100644
--- a/drivers/usb/host/ohci-platform.c
+++ b/drivers/usb/host/ohci-platform.c
@@ -119,7 +119,7 @@ static int ohci_platform_probe(struct platform_device *dev)
 	struct ohci_hcd *ohci;
 	int err, irq, phy_num, clk = 0;
 
-	if (usb_disabled())
+	if (usb_disabled() || of_machine_is_compatible("rockchip,rk3288"))
 		return -ENODEV;
 
 	/*