linux-kernel - [60/89] xhci: Add defines for hardcoded slot states

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Date:	Wed, 15 Jun 2011 17:00:23 -0700
From:	Greg KH <gregkh@...e.de>
To:	linux-kernel@...r.kernel.org, stable@...nel.org
Cc:	stable-review@...nel.org, torvalds@...ux-foundation.org,
	akpm@...ux-foundation.org, alan@...rguk.ukuu.org.uk,
	Maarten Lankhorst <m.b.lankhorst@...il.com>,
	Sarah Sharp <sarah.a.sharp@...ux.intel.com>
Subject: [60/89] xhci: Add defines for hardcoded slot states

2.6.39-stable review patch.  If anyone has any objections, please let us know.

------------------

From: Maarten Lankhorst <m.b.lankhorst@...il.com>

commit e2b0217715c6d10379d94bdfe5560af96eecbb7c upstream.

This needs to be added to the stable trees back to 2.6.34 to support an
upcoming bug fix.

Signed-off-by: Maarten Lankhorst <m.b.lankhorst@...il.com>
Signed-off-by: Sarah Sharp <sarah.a.sharp@...ux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...e.de>

---
 drivers/usb/host/xhci-dbg.c |    8 ++++----
 drivers/usb/host/xhci.h     |    5 +++++
 2 files changed, 9 insertions(+), 4 deletions(-)

--- a/drivers/usb/host/xhci-dbg.c
+++ b/drivers/usb/host/xhci-dbg.c
@@ -437,13 +437,13 @@ char *xhci_get_slot_state(struct xhci_hc
 	struct xhci_slot_ctx *slot_ctx = xhci_get_slot_ctx(xhci, ctx);
 
 	switch (GET_SLOT_STATE(slot_ctx->dev_state)) {
-	case 0:
+	case SLOT_STATE_ENABLED:
 		return "enabled/disabled";
-	case 1:
+	case SLOT_STATE_DEFAULT:
 		return "default";
-	case 2:
+	case SLOT_STATE_ADDRESSED:
 		return "addressed";
-	case 3:
+	case SLOT_STATE_CONFIGURED:
 		return "configured";
 	default:
 		return "reserved";
--- a/drivers/usb/host/xhci.h
+++ b/drivers/usb/host/xhci.h
@@ -560,6 +560,11 @@ struct xhci_slot_ctx {
 #define SLOT_STATE	(0x1f << 27)
 #define GET_SLOT_STATE(p)	(((p) & (0x1f << 27)) >> 27)
 
+#define SLOT_STATE_DISABLED	0
+#define SLOT_STATE_ENABLED	SLOT_STATE_DISABLED
+#define SLOT_STATE_DEFAULT	1
+#define SLOT_STATE_ADDRESSED	2
+#define SLOT_STATE_CONFIGURED	3
 
 /**
  * struct xhci_ep_ctx


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