grub2/0217-Fix-a-conflict-between-ports-structures-with-2-contr.patch

From e3e32021b775ea8066f4c76d03e803e2d50716ce Mon Sep 17 00:00:00 2001
From: Vladimir 'phcoder' Serbinenko <phcoder@gmail.com>
Date: Wed, 20 Mar 2013 17:07:08 +0100
Subject: [PATCH 217/482] 	Fix a conflict between ports structures with 2
 controllers of 	same kind.

---
 ChangeLog                  |  5 +++++
 grub-core/bus/usb/usbhub.c | 39 ++++++++++++++++++++++-----------------
 include/grub/usb.h         |  2 --
 3 files changed, 27 insertions(+), 19 deletions(-)

diff --git a/ChangeLog b/ChangeLog
index 0c28b11..0fcaa65 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,10 @@
 2013-03-20  Vladimir Serbinenko  <phcoder@gmail.com>
 
+	Fix a conflict between ports structures with 2 controllers of
+	same kind.
+
+2013-03-20  Vladimir Serbinenko  <phcoder@gmail.com>
+
 	* include/grub/boottime.h: Add missing file.
 
 2013-03-19  Vladimir Serbinenko  <phcoder@gmail.com>
diff --git a/grub-core/bus/usb/usbhub.c b/grub-core/bus/usb/usbhub.c
index d0be80d..fd7b94e 100644
--- a/grub-core/bus/usb/usbhub.c
+++ b/grub-core/bus/usb/usbhub.c
@@ -37,6 +37,7 @@ struct grub_usb_hub
   grub_usb_controller_t controller;
   int nports;
   struct grub_usb_device **devices;
+  struct grub_usb_hub_port *ports;
   grub_usb_device_t dev;
 };
 
@@ -263,11 +264,11 @@ grub_usb_controller_dev_register_iter (grub_usb_controller_t controller, void *d
   /* Query the number of ports the root Hub has.  */
   hub->nports = controller->dev->hubports (controller);
   hub->devices = grub_zalloc (sizeof (hub->devices[0]) * hub->nports);
-  usb->ports = grub_zalloc (sizeof (usb->ports[0]) * hub->nports);
-  if (!hub->devices || !usb->ports)
+  hub->ports = grub_zalloc (sizeof (hub->ports[0]) * hub->nports);
+  if (!hub->devices || !hub->ports)
     {
       grub_free (hub->devices);
-      grub_free (usb->ports);
+      grub_free (hub->ports);
       grub_free (hub->controller);
       grub_free (hub);
       grub_print_error ();
@@ -323,33 +324,37 @@ grub_usb_controller_dev_register (grub_usb_controller_dev_t usb)
 		speed = hub->controller->dev->detect_dev (hub->controller, portno,
 							  &changed);
       
-		if (usb->ports[portno].state == PORT_STATE_NORMAL
+		if (hub->ports[portno].state == PORT_STATE_NORMAL
 		    && speed != GRUB_USB_SPEED_NONE)
 		  {
-		    usb->ports[portno].soft_limit_time = grub_get_time_ms () + 250;
-		    usb->ports[portno].hard_limit_time = usb->ports[portno].soft_limit_time + 1750;
-		    usb->ports[portno].state = PORT_STATE_WAITING_FOR_STABLE_POWER;
+		    hub->ports[portno].soft_limit_time = grub_get_time_ms () + 250;
+		    hub->ports[portno].hard_limit_time = hub->ports[portno].soft_limit_time + 1750;
+		    hub->ports[portno].state = PORT_STATE_WAITING_FOR_STABLE_POWER;
+		    grub_boot_time ("Scheduling stable power wait for port %p:%d",
+				    usb, portno);
 		    continue_waiting++;
 		    continue;
 		  }
 
-		if (usb->ports[portno].state == PORT_STATE_WAITING_FOR_STABLE_POWER
+		if (hub->ports[portno].state == PORT_STATE_WAITING_FOR_STABLE_POWER
 		    && speed == GRUB_USB_SPEED_NONE)
 		  {
-		    usb->ports[portno].soft_limit_time = grub_get_time_ms () + 250;
+		    hub->ports[portno].soft_limit_time = grub_get_time_ms () + 250;
 		    continue;
 		  }
-		if (usb->ports[portno].state == PORT_STATE_WAITING_FOR_STABLE_POWER
-		    && grub_get_time_ms () > usb->ports[portno].soft_limit_time)
+		if (hub->ports[portno].state == PORT_STATE_WAITING_FOR_STABLE_POWER
+		    && grub_get_time_ms () > hub->ports[portno].soft_limit_time)
 		  {
-		    usb->ports[portno].state = PORT_STATE_STABLE_POWER;
+		    hub->ports[portno].state = PORT_STATE_STABLE_POWER;
+		    grub_boot_time ("Got stable power wait for port %p:%d",
+				    usb, portno);
 		    continue_waiting--;
 		    continue;
 		  }
-		if (usb->ports[portno].state == PORT_STATE_WAITING_FOR_STABLE_POWER
-		    && grub_get_time_ms () > usb->ports[portno].hard_limit_time)
+		if (hub->ports[portno].state == PORT_STATE_WAITING_FOR_STABLE_POWER
+		    && grub_get_time_ms () > hub->ports[portno].hard_limit_time)
 		  {
-		    usb->ports[portno].state = PORT_STATE_FAILED_DEVICE;
+		    hub->ports[portno].state = PORT_STATE_FAILED_DEVICE;
 		    continue_waiting--;
 		    continue;
 		  }
@@ -365,11 +370,11 @@ grub_usb_controller_dev_register (grub_usb_controller_dev_t usb)
   for (hub = hubs; hub; hub = hub->next)
     if (hub->controller->dev == usb)
       for (portno = 0; portno < hub->nports; portno++)
-	if (usb->ports[portno].state == PORT_STATE_STABLE_POWER)
+	if (hub->ports[portno].state == PORT_STATE_STABLE_POWER)
 	  {
 	    grub_usb_speed_t speed;
 	    int changed = 0;
-	    usb->ports[portno].state = PORT_STATE_NORMAL;
+	    hub->ports[portno].state = PORT_STATE_NORMAL;
 	    speed = hub->controller->dev->detect_dev (hub->controller, portno, &changed);
 	    attach_root_port (hub, portno, speed);
 	  }
diff --git a/include/grub/usb.h b/include/grub/usb.h
index 12a456b..9e2c221 100644
--- a/include/grub/usb.h
+++ b/include/grub/usb.h
@@ -121,8 +121,6 @@ struct grub_usb_controller_dev
 
   grub_usb_speed_t (*detect_dev) (grub_usb_controller_t dev, int port, int *changed);
 
-  struct grub_usb_hub_port *ports;
-
   /* Per controller flag - port reset pending, don't do another reset */
   grub_uint64_t pending_reset;
 
-- 
1.8.2.1