Merge branch 'master'

Makefile

@@ -1,8 +1,8 @@
 VERSION = 2
 PATCHLEVEL = 6
 SUBLEVEL = 15
-EXTRAVERSION =-rc5
-NAME=Affluent Albatross
+EXTRAVERSION =-rc6
+NAME=Sliding Snow Leopard
 
 # *DOCUMENTATION*
 # To see a list of typical targets execute "make help"

drivers/char/drm/radeon_cp.c

@@ -1311,7 +1311,7 @@ static void radeon_set_pcigart(drm_radeon_private_t * dev_priv, int on)
 
 static int radeon_do_init_cp(drm_device_t * dev, drm_radeon_init_t * init)
 {
-	drm_radeon_private_t *dev_priv = dev->dev_private;;
+	drm_radeon_private_t *dev_priv = dev->dev_private;
 	unsigned int mem_size;
 
 	DRM_DEBUG("\n");

drivers/ieee1394/hosts.h

@@ -41,6 +41,7 @@ struct hpsb_host {
         /* this nodes state */
         unsigned in_bus_reset:1;
         unsigned is_shutdown:1;
+	unsigned resume_packet_sent:1;
 
         /* this nodes' duties on the bus */
         unsigned is_root:1;

drivers/ieee1394/nodemgr.c

@@ -1349,6 +1349,33 @@ static void nodemgr_update_pdrv(struct node_entry *ne)
 }
 
 
+/* Write the BROADCAST_CHANNEL as per IEEE1394a 8.3.2.3.11 and 8.4.2.3.  This
+ * seems like an optional service but in the end it is practically mandatory
+ * as a consequence of these clauses.
+ *
+ * Note that we cannot do a broadcast write to all nodes at once because some
+ * pre-1394a devices would hang. */
+static void nodemgr_irm_write_bc(struct node_entry *ne, int generation)
+{
+	const u64 bc_addr = (CSR_REGISTER_BASE | CSR_BROADCAST_CHANNEL);
+	quadlet_t bc_remote, bc_local;
+	int ret;
+
+	if (!ne->host->is_irm || ne->generation != generation ||
+	    ne->nodeid == ne->host->node_id)
+		return;
+
+	bc_local = cpu_to_be32(ne->host->csr.broadcast_channel);
+
+	/* Check if the register is implemented and 1394a compliant. */
+	ret = hpsb_read(ne->host, ne->nodeid, generation, bc_addr, &bc_remote,
+			sizeof(bc_remote));
+	if (!ret && bc_remote & cpu_to_be32(0x80000000) &&
+	    bc_remote != bc_local)
+		hpsb_node_write(ne, bc_addr, &bc_local, sizeof(bc_local));
+}
+
+
 static void nodemgr_probe_ne(struct host_info *hi, struct node_entry *ne, int generation)
 {
 	struct device *dev;
@@ -1360,6 +1387,8 @@ static void nodemgr_probe_ne(struct host_info *hi, struct node_entry *ne, int ge
 	if (!dev)
 		return;
 
+	nodemgr_irm_write_bc(ne, generation);
+
 	/* If "needs_probe", then this is either a new or changed node we
 	 * rescan totally. If the generation matches for an existing node
 	 * (one that existed prior to the bus reset) we send update calls
@@ -1413,9 +1442,25 @@ static void nodemgr_node_probe(struct host_info *hi, int generation)
 	return;
 }
 
-/* Because we are a 1394a-2000 compliant IRM, we need to inform all the other
- * nodes of the broadcast channel.  (Really we're only setting the validity
- * bit). Other IRM responsibilities go in here as well. */
+static int nodemgr_send_resume_packet(struct hpsb_host *host)
+{
+	struct hpsb_packet *packet;
+	int ret = 1;
+
+	packet = hpsb_make_phypacket(host,
+			0x003c0000 | NODEID_TO_NODE(host->node_id) << 24);
+	if (packet) {
+		packet->no_waiter = 1;
+		packet->generation = get_hpsb_generation(host);
+		ret = hpsb_send_packet(packet);
+	}
+	if (ret)
+		HPSB_WARN("fw-host%d: Failed to broadcast resume packet",
+			  host->id);
+	return ret;
+}
+
+/* Perform a few high-level IRM responsibilities. */
 static int nodemgr_do_irm_duties(struct hpsb_host *host, int cycles)
 {
 	quadlet_t bc;
@@ -1424,13 +1469,8 @@ static int nodemgr_do_irm_duties(struct hpsb_host *host, int cycles)
 	if (!host->is_irm || host->irm_id == (nodeid_t)-1)
 		return 1;
 
-	host->csr.broadcast_channel |= 0x40000000;  /* set validity bit */
-
-	bc = cpu_to_be32(host->csr.broadcast_channel);
-
-	hpsb_write(host, LOCAL_BUS | ALL_NODES, get_hpsb_generation(host),
-		   (CSR_REGISTER_BASE | CSR_BROADCAST_CHANNEL),
-		   &bc, sizeof(quadlet_t));
+	/* We are a 1394a-2000 compliant IRM. Set the validity bit. */
+	host->csr.broadcast_channel |= 0x40000000;
 
 	/* If there is no bus manager then we should set the root node's
 	 * force_root bit to promote bus stability per the 1394
@@ -1463,6 +1503,13 @@ static int nodemgr_do_irm_duties(struct hpsb_host *host, int cycles)
 		}
 	}
 
+	/* Some devices suspend their ports while being connected to an inactive
+	 * host adapter, i.e. if connected before the low-level driver is
+	 * loaded.  They become visible either when physically unplugged and
+	 * replugged, or when receiving a resume packet.  Send one once. */
+	if (!host->resume_packet_sent && !nodemgr_send_resume_packet(host))
+		host->resume_packet_sent = 1;
+
 	return 1;
 }
 

drivers/mtd/onenand/generic.c

@@ -12,9 +12,9 @@
  *   This is a device driver for the OneNAND flash for generic boards.
  */
 
-#include <linux/device.h>
 #include <linux/module.h>
 #include <linux/init.h>
+#include <linux/platform_device.h>
 #include <linux/mtd/mtd.h>
 #include <linux/mtd/onenand.h>
 #include <linux/mtd/partitions.h>
@@ -39,7 +39,7 @@ static int __devinit generic_onenand_probe(struct device *dev)
 {
 	struct onenand_info *info;
 	struct platform_device *pdev = to_platform_device(dev);
-	struct onenand_platform_data *pdata = pdev->dev.platform_data;
+	struct flash_platform_data *pdata = pdev->dev.platform_data;
 	struct resource *res = pdev->resource;
 	unsigned long size = res->end - res->start + 1;
 	int err;

drivers/mtd/onenand/onenand_base.c

@@ -940,7 +940,7 @@ static int onenand_writev_ecc(struct mtd_info *mtd, const struct kvec *vecs,
 	u_char *eccbuf, struct nand_oobinfo *oobsel)
 {
 	struct onenand_chip *this = mtd->priv;
-	unsigned char buffer[MAX_ONENAND_PAGESIZE], *pbuf;
+	unsigned char *pbuf;
 	size_t total_len, len;
 	int i, written = 0;
 	int ret = 0;
@@ -975,7 +975,7 @@ static int onenand_writev_ecc(struct mtd_info *mtd, const struct kvec *vecs,
 	/* Loop until all keve's data has been written */
 	len = 0;
 	while (count) {
-		pbuf = buffer;
+		pbuf = this->page_buf;
 		/*
 		 * If the given tuple is >= pagesize then
 		 * write it out from the iov
@@ -995,7 +995,7 @@ static int onenand_writev_ecc(struct mtd_info *mtd, const struct kvec *vecs,
 			int cnt = 0, thislen;
 			while (cnt < mtd->oobblock) {
 				thislen = min_t(int, mtd->oobblock - cnt, vecs->iov_len - len);
-				memcpy(buffer + cnt, vecs->iov_base + len, thislen);
+				memcpy(this->page_buf + cnt, vecs->iov_base + len, thislen);
 				cnt += thislen;
 				len += thislen;
 
@@ -1296,6 +1296,12 @@ static int onenand_unlock(struct mtd_info *mtd, loff_t ofs, size_t len)
 
 	/* Block lock scheme */
 	for (block = start; block < end; block++) {
+		/* Set block address */
+		value = onenand_block_address(this, block);
+		this->write_word(value, this->base + ONENAND_REG_START_ADDRESS1);
+		/* Select DataRAM for DDP */
+		value = onenand_bufferram_address(this, block);
+		this->write_word(value, this->base + ONENAND_REG_START_ADDRESS2);
 		/* Set start block address */
 		this->write_word(block, this->base + ONENAND_REG_START_BLOCK_ADDRESS);
 		/* Write unlock command */
@@ -1309,10 +1315,6 @@ static int onenand_unlock(struct mtd_info *mtd, loff_t ofs, size_t len)
 		    & ONENAND_CTRL_ONGO)
 			continue;
 
-		/* Set block address for read block status */
-		value = onenand_block_address(this, block);
-		this->write_word(value, this->base + ONENAND_REG_START_ADDRESS1);
-
 		/* Check lock status */
 		status = this->read_word(this->base + ONENAND_REG_WP_STATUS);
 		if (!(status & ONENAND_WP_US))
@@ -1346,7 +1348,6 @@ static void onenand_print_device_info(int device)
 
 static const struct onenand_manufacturers onenand_manuf_ids[] = {
         {ONENAND_MFR_SAMSUNG, "Samsung"},
-        {ONENAND_MFR_UNKNOWN, "Unknown"}
 };
 
 /**
@@ -1357,17 +1358,22 @@ static const struct onenand_manufacturers onenand_manuf_ids[] = {
  */
 static int onenand_check_maf(int manuf)
 {
+	int size = ARRAY_SIZE(onenand_manuf_ids);
+	char *name;
         int i;
 
-        for (i = 0; onenand_manuf_ids[i].id; i++) {
+	for (i = 0; i < size; i++)
                 if (manuf == onenand_manuf_ids[i].id)
                         break;
-        }
 
-        printk(KERN_DEBUG "OneNAND Manufacturer: %s (0x%0x)\n",
-                onenand_manuf_ids[i].name, manuf);
+	if (i < size)
+		name = onenand_manuf_ids[i].name;
+	else
+		name = "Unknown";
+
+	printk(KERN_DEBUG "OneNAND Manufacturer: %s (0x%0x)\n", name, manuf);
 
-        return (i != ONENAND_MFR_UNKNOWN);
+	return (i == size);
 }
 
 /**
@@ -1513,6 +1519,18 @@ int onenand_scan(struct mtd_info *mtd, int maxchips)
 		this->read_bufferram = onenand_sync_read_bufferram;
 	}
 
+	/* Allocate buffers, if necessary */
+	if (!this->page_buf) {
+		size_t len;
+		len = mtd->oobblock + mtd->oobsize;
+		this->page_buf = kmalloc(len, GFP_KERNEL);
+		if (!this->page_buf) {
+			printk(KERN_ERR "onenand_scan(): Can't allocate page_buf\n");
+			return -ENOMEM;
+		}
+		this->options |= ONENAND_PAGEBUF_ALLOC;
+	}
+
 	this->state = FL_READY;
 	init_waitqueue_head(&this->wq);
 	spin_lock_init(&this->chip_lock);
@@ -1574,12 +1592,21 @@ int onenand_scan(struct mtd_info *mtd, int maxchips)
  */
 void onenand_release(struct mtd_info *mtd)
 {
+	struct onenand_chip *this = mtd->priv;
+
 #ifdef CONFIG_MTD_PARTITIONS
 	/* Deregister partitions */
 	del_mtd_partitions (mtd);
 #endif
 	/* Deregister the device */
 	del_mtd_device (mtd);
+
+	/* Free bad block table memory, if allocated */
+	if (this->bbm)
+		kfree(this->bbm);
+	/* Buffer allocated by onenand_scan */
+	if (this->options & ONENAND_PAGEBUF_ALLOC)
+		kfree(this->page_buf);
 }
 
 EXPORT_SYMBOL_GPL(onenand_scan);

drivers/mtd/onenand/onenand_bbt.c

@@ -118,10 +118,10 @@ static int create_bbt(struct mtd_info *mtd, uint8_t *buf, struct nand_bbt_descr
  */
 static inline int onenand_memory_bbt (struct mtd_info *mtd, struct nand_bbt_descr *bd)
 {
-	unsigned char data_buf[MAX_ONENAND_PAGESIZE];
+	struct onenand_chip *this = mtd->priv;
 
         bd->options &= ~NAND_BBT_SCANEMPTY;
-        return create_bbt(mtd, data_buf, bd, -1);
+	return create_bbt(mtd, this->page_buf, bd, -1);
 }
 
 /**

include/linux/mtd/onenand.h

@@ -17,7 +17,6 @@
 #include <linux/mtd/bbm.h>
 
 #define MAX_BUFFERRAM		2
-#define MAX_ONENAND_PAGESIZE	(2048 + 64)
 
 /* Scan and identify a OneNAND device */
 extern int onenand_scan(struct mtd_info *mtd, int max_chips);
@@ -110,6 +109,7 @@ struct onenand_chip {
 	spinlock_t		chip_lock;
 	wait_queue_head_t	wq;
 	onenand_state_t		state;
+	unsigned char		*page_buf;
 
 	struct nand_oobinfo	*autooob;
 
@@ -134,13 +134,12 @@ struct onenand_chip {
  * Options bits
  */
 #define ONENAND_CONT_LOCK		(0x0001)
-
+#define ONENAND_PAGEBUF_ALLOC		(0x1000)
 
 /*
  * OneNAND Flash Manufacturer ID Codes
  */
 #define ONENAND_MFR_SAMSUNG	0xec
-#define ONENAND_MFR_UNKNOWN	0x00
 
 /**
  * struct nand_manufacturers - NAND Flash Manufacturer ID Structure