Merge branch 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linus

* 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linus:
  MIPS: IP32: Remove unnecessary if not even harmful volatile keywords.
  MIPS: IP32: Fix build error due to uninitialized variable.
  MIPS: Fix sparse warning in incompatiable argument type of clear_user.
diff --git a/Documentation/filesystems/tmpfs.txt b/Documentation/filesystems/tmpfs.txt
index 222437e..3015da0 100644
--- a/Documentation/filesystems/tmpfs.txt
+++ b/Documentation/filesystems/tmpfs.txt
@@ -133,4 +133,4 @@
 Author:
    Christoph Rohland <cr@sap.com>, 1.12.01
 Updated:
-   Hugh Dickins <hugh@veritas.com>, 4 June 2007
+   Hugh Dickins, 4 June 2007
diff --git a/MAINTAINERS b/MAINTAINERS
index 2b349ba..64ea80e 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -5579,6 +5579,14 @@
 S:	Maintained
 F:	drivers/mmc/host/tmio_mmc.*
 
+TMPFS (SHMEM FILESYSTEM)
+P:	Hugh Dickins
+M:	hugh.dickins@tiscali.co.uk
+L:	linux-mm@kvack.org
+S:	Maintained
+F:	include/linux/shmem_fs.h
+F:	mm/shmem.c
+
 TPM DEVICE DRIVER
 P:	Debora Velarde
 M:	debora@linux.vnet.ibm.com
diff --git a/arch/powerpc/platforms/maple/pci.c b/arch/powerpc/platforms/maple/pci.c
index 3018552..04296ff 100644
--- a/arch/powerpc/platforms/maple/pci.c
+++ b/arch/powerpc/platforms/maple/pci.c
@@ -592,3 +592,17 @@
 	}
 	return irq;
 }
+
+static void __devinit quirk_ipr_msi(struct pci_dev *dev)
+{
+	/* Something prevents MSIs from the IPR from working on Bimini,
+	 * and the driver has no smarts to recover. So disable MSI
+	 * on it for now. */
+
+	if (machine_is(maple)) {
+		dev->no_msi = 1;
+		dev_info(&dev->dev, "Quirk disabled MSI\n");
+	}
+}
+DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_OBSIDIAN,
+			quirk_ipr_msi);
diff --git a/arch/sh/boards/board-ap325rxa.c b/arch/sh/boards/board-ap325rxa.c
index 39e4691..f2a2964 100644
--- a/arch/sh/boards/board-ap325rxa.c
+++ b/arch/sh/boards/board-ap325rxa.c
@@ -263,6 +263,9 @@
 	struct i2c_msg msg;
 	int ret;
 
+	if (!a)
+		return -ENODEV;
+
 	camera_power(1);
 	msg.addr = 0x6e;
 	msg.buf = camera_ncm03j_magic;
diff --git a/drivers/char/ipmi/ipmi_msghandler.c b/drivers/char/ipmi/ipmi_msghandler.c
index aa83a08..0905079 100644
--- a/drivers/char/ipmi/ipmi_msghandler.c
+++ b/drivers/char/ipmi/ipmi_msghandler.c
@@ -2856,6 +2856,7 @@
 		/* Assume a single IPMB channel at zero. */
 		intf->channels[0].medium = IPMI_CHANNEL_MEDIUM_IPMB;
 		intf->channels[0].protocol = IPMI_CHANNEL_PROTOCOL_IPMB;
+		intf->curr_channel = IPMI_MAX_CHANNELS;
 	}
 
 	if (rv == 0)
@@ -3648,13 +3649,13 @@
 		}
 
 		/*
-		** We need to make sure the channels have been initialized.
-		** The channel_handler routine will set the "curr_channel"
-		** equal to or greater than IPMI_MAX_CHANNELS when all the
-		** channels for this interface have been initialized.
-		*/
+		 * We need to make sure the channels have been initialized.
+		 * The channel_handler routine will set the "curr_channel"
+		 * equal to or greater than IPMI_MAX_CHANNELS when all the
+		 * channels for this interface have been initialized.
+		 */
 		if (intf->curr_channel < IPMI_MAX_CHANNELS) {
-			requeue = 1;     /* Just put the message back for now */
+			requeue = 0; /* Throw the message away */
 			goto out;
 		}
 
diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c
index 34bf0fd..1a91bf9 100644
--- a/drivers/pci/pci.c
+++ b/drivers/pci/pci.c
@@ -557,7 +557,8 @@
 	} else {
 		error = -ENODEV;
 		/* Fall back to PCI_D0 if native PM is not supported */
-		pci_update_current_state(dev, PCI_D0);
+		if (!dev->pm_cap)
+			dev->current_state = PCI_D0;
 	}
 
 	return error;
diff --git a/drivers/video/sh_mobile_lcdcfb.c b/drivers/video/sh_mobile_lcdcfb.c
index 92ea0ab..f10d2fb 100644
--- a/drivers/video/sh_mobile_lcdcfb.c
+++ b/drivers/video/sh_mobile_lcdcfb.c
@@ -47,6 +47,7 @@
 #endif
 	unsigned long lddckr;
 	struct sh_mobile_lcdc_chan ch[2];
+	int started;
 };
 
 /* shared registers */
@@ -451,6 +452,7 @@
 
 	/* start the lcdc */
 	sh_mobile_lcdc_start_stop(priv, 1);
+	priv->started = 1;
 
 	/* tell the board code to enable the panel */
 	for (k = 0; k < ARRAY_SIZE(priv->ch); k++) {
@@ -493,7 +495,10 @@
 	}
 
 	/* stop the lcdc */
-	sh_mobile_lcdc_start_stop(priv, 0);
+	if (priv->started) {
+		sh_mobile_lcdc_start_stop(priv, 0);
+		priv->started = 0;
+	}
 
 	/* stop clocks */
 	for (k = 0; k < ARRAY_SIZE(priv->ch); k++)
diff --git a/mm/rmap.c b/mm/rmap.c
index 1652166..23122af 100644
--- a/mm/rmap.c
+++ b/mm/rmap.c
@@ -14,7 +14,7 @@
  * Original design by Rik van Riel <riel@conectiva.com.br> 2001
  * File methods by Dave McCracken <dmccr@us.ibm.com> 2003, 2004
  * Anonymous methods by Andrea Arcangeli <andrea@suse.de> 2004
- * Contributions by Hugh Dickins <hugh@veritas.com> 2003, 2004
+ * Contributions by Hugh Dickins 2003, 2004
  */
 
 /*