---

yaml
---
r: 26987
b: refs/heads/master
c: ecd6885
h: refs/heads/master
i:
  26985: dcbcc6b
  26983: d5a85ec
v: v3

[refs]

@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 3041a069090224462e27da1bc9483b463eb40841
+refs/heads/master: ecd68853b852cdafb138f9c437f3a751fe7dc381

trunk/arch/i386/kernel/syscall_table.S

@@ -315,3 +315,4 @@ ENTRY(sys_call_table)
 	.long sys_splice
 	.long sys_sync_file_range
 	.long sys_tee			/* 315 */
+	.long sys_vmsplice

trunk/arch/powerpc/platforms/powermac/setup.c

@@ -463,11 +463,23 @@ static int pmac_pm_finish(suspend_state_t state)
 	return 0;
 }
 
+static int pmac_pm_valid(suspend_state_t state)
+{
+	switch (state) {
+	case PM_SUSPEND_DISK:
+		return 1;
+	/* can't do any other states via generic mechanism yet */
+	default:
+		return 0;
+	}
+}
+
 static struct pm_ops pmac_pm_ops = {
 	.pm_disk_mode	= PM_DISK_SHUTDOWN,
 	.prepare	= pmac_pm_prepare,
 	.enter		= pmac_pm_enter,
 	.finish		= pmac_pm_finish,
+	.valid		= pmac_pm_valid,
 };
 
 #endif /* CONFIG_SOFTWARE_SUSPEND */

trunk/drivers/char/tpm/tpm_tis.c

@@ -457,10 +457,6 @@ static int __devinit tpm_tis_pnp_init(struct pnp_dev *pnp_dev,
 	}
 
 	vendor = ioread32(chip->vendor.iobase + TPM_DID_VID(0));
-	if ((vendor & 0xFFFF) == 0xFFFF) {
-		rc = -ENODEV;
-		goto out_err;
-	}
 
 	/* Default timeouts */
 	chip->vendor.timeout_a = msecs_to_jiffies(TIS_SHORT_TIMEOUT);

trunk/drivers/i2c/busses/scx200_acb.c

@@ -491,7 +491,7 @@ static struct pci_device_id divil_pci[] = {
 
 #define MSR_LBAR_SMB		0x5140000B
 
-static int scx200_add_cs553x(void)
+static __init int scx200_add_cs553x(void)
 {
 	u32	low, hi;
 	u32	smb_base;

trunk/drivers/infiniband/hw/mthca/mthca_srq.c

@@ -490,26 +490,7 @@ int mthca_tavor_post_srq_recv(struct ib_srq *ibsrq, struct ib_recv_wr *wr,
 
 	first_ind = srq->first_free;
 
-	for (nreq = 0; wr; ++nreq, wr = wr->next) {
-		if (unlikely(nreq == MTHCA_TAVOR_MAX_WQES_PER_RECV_DB)) {
-			nreq = 0;
-
-			doorbell[0] = cpu_to_be32(first_ind << srq->wqe_shift);
-			doorbell[1] = cpu_to_be32(srq->srqn << 8);
-
-			/*
-			 * Make sure that descriptors are written
-			 * before doorbell is rung.
-			 */
-			wmb();
-
-			mthca_write64(doorbell,
-				      dev->kar + MTHCA_RECEIVE_DOORBELL,
-				      MTHCA_GET_DOORBELL_LOCK(&dev->doorbell_lock));
-
-			first_ind = srq->first_free;
-		}
-
+	for (nreq = 0; wr; wr = wr->next) {
 		ind = srq->first_free;
 
 		if (ind < 0) {
@@ -569,6 +550,26 @@ int mthca_tavor_post_srq_recv(struct ib_srq *ibsrq, struct ib_recv_wr *wr,
 
 		srq->wrid[ind]  = wr->wr_id;
 		srq->first_free = next_ind;
+
+		++nreq;
+		if (unlikely(nreq == MTHCA_TAVOR_MAX_WQES_PER_RECV_DB)) {
+			nreq = 0;
+
+			doorbell[0] = cpu_to_be32(first_ind << srq->wqe_shift);
+			doorbell[1] = cpu_to_be32(srq->srqn << 8);
+
+			/*
+			 * Make sure that descriptors are written
+			 * before doorbell is rung.
+			 */
+			wmb();
+
+			mthca_write64(doorbell,
+				      dev->kar + MTHCA_RECEIVE_DOORBELL,
+				      MTHCA_GET_DOORBELL_LOCK(&dev->doorbell_lock));
+
+			first_ind = srq->first_free;
+		}
 	}
 
 	if (likely(nreq)) {

trunk/drivers/input/touchscreen/ads7846.c

@@ -36,13 +36,10 @@
 
 
 /*
- * This code has been tested on an ads7846 / N770 device.
+ * This code has been heavily tested on a Nokia 770, and lightly
+ * tested on other ads7846 devices (OSK/Mistral, Lubbock).
  * Support for ads7843 and ads7845 has only been stubbed in.
  *
- * Not yet done:  How accurate are the temperature and voltage
- * readings? (System-specific calibration should support
- * accuracy of 0.3 degrees C; otherwise it's 2.0 degrees.)
- *
  * IRQ handling needs a workaround because of a shortcoming in handling
  * edge triggered IRQs on some platforms like the OMAP1/2. These
  * platforms don't handle the ARM lazy IRQ disabling properly, thus we
@@ -248,10 +245,13 @@ static int ads7846_read12_ser(struct device *dev, unsigned command)
 
 	if (req->msg.status)
 		status = req->msg.status;
+
+	/* on-wire is a must-ignore bit, a BE12 value, then padding */
 	sample = be16_to_cpu(req->sample);
-	sample = sample >> 4;
-	kfree(req);
+	sample = sample >> 3;
+	sample &= 0x0fff;
 
+	kfree(req);
 	return status ? status : sample;
 }
 
@@ -336,13 +336,13 @@ static void ads7846_rx(void *ads)
 	u16			x, y, z1, z2;
 	unsigned long		flags;
 
-	/* adjust:  12 bit samples (left aligned), built from
-	 * two 8 bit values writen msb-first.
+	/* adjust:  on-wire is a must-ignore bit, a BE12 value, then padding;
+	 * built from two 8 bit values written msb-first.
 	 */
-	x = be16_to_cpu(ts->tc.x) >> 4;
-	y = be16_to_cpu(ts->tc.y) >> 4;
-	z1 = be16_to_cpu(ts->tc.z1) >> 4;
-	z2 = be16_to_cpu(ts->tc.z2) >> 4;
+	x = (be16_to_cpu(ts->tc.x) >> 3) & 0x0fff;
+	y = (be16_to_cpu(ts->tc.y) >> 3) & 0x0fff;
+	z1 = (be16_to_cpu(ts->tc.z1) >> 3) & 0x0fff;
+	z2 = (be16_to_cpu(ts->tc.z2) >> 3) & 0x0fff;
 
 	/* range filtering */
 	if (x == MAX_12BIT)
@@ -420,7 +420,7 @@ static void ads7846_debounce(void *ads)
 
 	m = &ts->msg[ts->msg_idx];
 	t = list_entry(m->transfers.prev, struct spi_transfer, transfer_list);
-	val = (*(u16 *)t->rx_buf) >> 3;
+	val = (be16_to_cpu(*(__be16 *)t->rx_buf) >> 3) & 0x0fff;
 	if (!ts->read_cnt || (abs(ts->last_read - val) > ts->debounce_tol)) {
 		/* Repeat it, if this was the first read or the read
 		 * wasn't consistent enough. */
@@ -469,7 +469,7 @@ static void ads7846_timer(unsigned long handle)
 	spin_lock_irq(&ts->lock);
 
 	if (unlikely(ts->msg_idx && !ts->pendown)) {
-		/* measurment cycle ended */
+		/* measurement cycle ended */
 		if (!device_suspended(&ts->spi->dev)) {
 			ts->irq_disabled = 0;
 			enable_irq(ts->spi->irq);
@@ -495,11 +495,10 @@ static irqreturn_t ads7846_irq(int irq, void *handle, struct pt_regs *regs)
 	spin_lock_irqsave(&ts->lock, flags);
 	if (likely(ts->get_pendown_state())) {
 		if (!ts->irq_disabled) {
-			/* REVISIT irq logic for many ARM chips has cloned a
-			 * bug wherein disabling an irq in its handler won't
-			 * work;(it's disabled lazily, and too late to work.
-			 * until all their irq logic is fixed, we must shadow
-			 * that state here.
+			/* The ARM do_simple_IRQ() dispatcher doesn't act
+			 * like the other dispatchers:  it will report IRQs
+			 * even after they've been disabled.  We work around
+			 * that here.  (The "generic irq" framework may help...)
 			 */
 			ts->irq_disabled = 1;
 			disable_irq(ts->spi->irq);
@@ -609,16 +608,20 @@ static int __devinit ads7846_probe(struct spi_device *spi)
 		return -EINVAL;
 	}
 
+	/* REVISIT when the irq can be triggered active-low, or if for some
+	 * reason the touchscreen isn't hooked up, we don't need to access
+	 * the pendown state.
+	 */
 	if (pdata->get_pendown_state == NULL) {
 		dev_dbg(&spi->dev, "no get_pendown_state function?\n");
 		return -EINVAL;
 	}
 
-	/* We'd set the wordsize to 12 bits ... except that some controllers
-	 * will then treat the 8 bit command words as 12 bits (and drop the
-	 * four MSBs of the 12 bit result).  Result: inputs must be shifted
-	 * to discard the four garbage LSBs.
+	/* We'd set TX wordsize 8 bits and RX wordsize to 13 bits ... except
+	 * that even if the hardware can do that, the SPI controller driver
+	 * may not.  So we stick to very-portable 8 bit words, both RX and TX.
 	 */
+	spi->bits_per_word = 8;
 
 	ts = kzalloc(sizeof(struct ads7846), GFP_KERNEL);
 	input_dev = input_allocate_device();
@@ -772,7 +775,7 @@ static int __devinit ads7846_probe(struct spi_device *spi)
 
 	if (request_irq(spi->irq, ads7846_irq,
 			SA_SAMPLE_RANDOM | SA_TRIGGER_FALLING,
-			spi->dev.bus_id, ts)) {
+			spi->dev.driver->name, ts)) {
 		dev_dbg(&spi->dev, "irq %d busy?\n", spi->irq);
 		err = -EBUSY;
 		goto err_free_mem;

trunk/drivers/md/md.c

@@ -5028,8 +5028,10 @@ static int md_notify_reboot(struct notifier_block *this,
 		printk(KERN_INFO "md: stopping all md devices.\n");
 
 		ITERATE_MDDEV(mddev,tmp)
-			if (mddev_trylock(mddev))
+			if (mddev_trylock(mddev)) {
 				do_md_stop (mddev, 1);
+				mddev_unlock(mddev);
+			}
 		/*
 		 * certain more exotic SCSI devices are known to be
 		 * volatile wrt too early system reboots. While the

trunk/drivers/spi/spi_s3c24xx.c

@@ -405,15 +405,15 @@ static int s3c24xx_spi_remove(struct platform_device *dev)
 
 static int s3c24xx_spi_suspend(struct platform_device *pdev, pm_message_t msg)
 {
-	struct s3c24xx_spi *hw = platform_get_drvdata(dev);
+	struct s3c24xx_spi *hw = platform_get_drvdata(pdev);
 
 	clk_disable(hw->clk);
 	return 0;
 }
 
 static int s3c24xx_spi_resume(struct platform_device *pdev)
 {
-	struct s3c24xx_spi *hw = platform_get_drvdata(dev);
+	struct s3c24xx_spi *hw = platform_get_drvdata(pdev);
 
 	clk_enable(hw->clk);
 	return 0;

trunk/fs/affs/namei.c

@@ -416,10 +416,9 @@ affs_rename(struct inode *old_dir, struct dentry *old_dentry,
 			return retval;
 	}
 
-	retval = -EIO;
 	bh = affs_bread(sb, old_dentry->d_inode->i_ino);
 	if (!bh)
-		goto done;
+		return -EIO;
 
 	/* Remove header from its parent directory. */
 	affs_lock_dir(old_dir);

trunk/include/asm-alpha/termbits.h

@@ -148,6 +148,7 @@ struct termios {
 #define HUPCL	00040000
 
 #define CLOCAL	00100000
+#define CMSPAR	  010000000000		/* mark or space (stick) parity */
 #define CRTSCTS	  020000000000		/* flow control */
 
 /* c_lflag bits */

trunk/include/asm-powerpc/termbits.h

@@ -153,6 +153,7 @@ struct termios {
 #define HUPCL	00040000
 
 #define CLOCAL	00100000
+#define CMSPAR	  010000000000		/* mark or space (stick) parity */
 #define CRTSCTS	  020000000000		/* flow control */
 
 /* c_lflag bits */