From: John Crispin <john@openwrt.org>
Date: Sat, 15 Dec 2012 11:01:05 +0000 (+0000)
Subject: allow to load only 1 usb port on AR9 / VR9
X-Git-Tag: reboot~11955
X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=66daf1ef6195412fb79c1c766c173d01de89d21b;p=openwrt%2Fstaging%2Fxback.git

allow to load only 1 usb port on AR9 / VR9

SVN-Revision: 34700
---

diff --git a/package/platform/lantiq/ltq-hcd/src/ifxusb_driver.c b/package/platform/lantiq/ltq-hcd/src/ifxusb_driver.c
index b49a197883..c30cf44914 100644
--- a/package/platform/lantiq/ltq-hcd/src/ifxusb_driver.c
+++ b/package/platform/lantiq/ltq-hcd/src/ifxusb_driver.c
@@ -305,6 +305,8 @@ static int ifxusb_driver_probe(struct platform_device *_pdev)
 	int retval = 0;
 	struct device_node *np;
 	int gpio_count;
+	u32 port_mask = 0x1;
+
 #ifdef __IS_DANUBE__
         np = of_find_compatible_node(NULL, NULL, "lantiq,ifxhcd-danube");
 #elif defined __IS_AMAZON_SE__
@@ -318,7 +320,7 @@ static int ifxusb_driver_probe(struct platform_device *_pdev)
 		dev_err(&_pdev->dev, "failed to find hcd device node\n");
 		return -ENODEV;
 	}
-
+	of_property_read_u32(np, "lantiq,portmask", &port_mask);
 	// Parsing and store the parameters
 	IFX_DEBUGPL(DBG_ENTRY, "%s() %d\n", __func__, __LINE__ );
 	parse_parms();
@@ -349,24 +351,27 @@ static int ifxusb_driver_probe(struct platform_device *_pdev)
 			ifxusb_hcd_1.dev=&_pdev->dev;
 			ifxusb_hcd_2.dev=&_pdev->dev;
 
-			retval = ifxusb_driver_probe_h(&ifxusb_hcd_1,
+			if (port_mask & 0x1) {
+				retval = ifxusb_driver_probe_h(&ifxusb_hcd_1,
 			                               IFXUSB1_IRQ,
 			                               IFXUSB1_IOMEM_BASE,
 			                               IFXUSB1_FIFOMEM_BASE,
 			                               IFXUSB1_FIFODBG_BASE
 			                               );
-			if(retval)
-				goto ifxusb_driver_probe_fail;
+				if(retval)
+					goto ifxusb_driver_probe_fail;
+			}
 
-			retval = ifxusb_driver_probe_h(&ifxusb_hcd_2,
+			if (port_mask & 0x2) {
+				retval = ifxusb_driver_probe_h(&ifxusb_hcd_2,
 			                               IFXUSB2_IRQ,
 			                               IFXUSB2_IOMEM_BASE,
 			                               IFXUSB2_FIFOMEM_BASE,
 			                               IFXUSB2_FIFODBG_BASE
 			                              );
-			if(retval)
-				goto ifxusb_driver_probe_fail;
-
+				if(retval)
+					goto ifxusb_driver_probe_fail;
+			}
 		#elif defined(__IS_FIRST__)
 			memset(&ifxusb_hcd, 0, sizeof(ifxhcd_hcd_t));