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-rw-r--r--drivers/char/tpm/tpm_tis.c4
-rw-r--r--drivers/i2c/busses/scx200_acb.c2
-rw-r--r--drivers/infiniband/hw/mthca/mthca_srq.c41
-rw-r--r--drivers/input/touchscreen/ads7846.c53
-rw-r--r--drivers/md/md.c4
-rw-r--r--drivers/net/irda/Kconfig20
-rw-r--r--drivers/spi/spi_s3c24xx.c4
7 files changed, 65 insertions, 63 deletions
diff --git a/drivers/char/tpm/tpm_tis.c b/drivers/char/tpm/tpm_tis.c
index f621168f38aec7..8ea70625f7ea08 100644
--- a/drivers/char/tpm/tpm_tis.c
+++ b/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);
diff --git a/drivers/i2c/busses/scx200_acb.c b/drivers/i2c/busses/scx200_acb.c
index a140e4536a4ee2..766cc969c4d0c7 100644
--- a/drivers/i2c/busses/scx200_acb.c
+++ b/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;
diff --git a/drivers/infiniband/hw/mthca/mthca_srq.c b/drivers/infiniband/hw/mthca/mthca_srq.c
index 1ea433291fa718..b292fefa3b4119 100644
--- a/drivers/infiniband/hw/mthca/mthca_srq.c
+++ b/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)) {
diff --git a/drivers/input/touchscreen/ads7846.c b/drivers/input/touchscreen/ads7846.c
index 1494175ac6fe43..161afddd0f4439 100644
--- a/drivers/input/touchscreen/ads7846.c
+++ b/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;
diff --git a/drivers/md/md.c b/drivers/md/md.c
index 3ca3cfb03a7e28..ec802913f9776f 100644
--- a/drivers/md/md.c
+++ b/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
diff --git a/drivers/net/irda/Kconfig b/drivers/net/irda/Kconfig
index 5e6d0075299057..cff8598aa8004e 100644
--- a/drivers/net/irda/Kconfig
+++ b/drivers/net/irda/Kconfig
@@ -33,7 +33,7 @@ config DONGLE
config ESI_DONGLE
tristate "ESI JetEye PC dongle"
- depends on DONGLE && IRDA
+ depends on IRTTY_SIR && DONGLE && IRDA
help
Say Y here if you want to build support for the Extended Systems
JetEye PC dongle. To compile it as a module, choose M here. The ESI
@@ -44,7 +44,7 @@ config ESI_DONGLE
config ACTISYS_DONGLE
tristate "ACTiSYS IR-220L and IR220L+ dongle"
- depends on DONGLE && IRDA
+ depends on IRTTY_SIR && DONGLE && IRDA
help
Say Y here if you want to build support for the ACTiSYS IR-220L and
IR220L+ dongles. To compile it as a module, choose M here. The
@@ -55,7 +55,7 @@ config ACTISYS_DONGLE
config TEKRAM_DONGLE
tristate "Tekram IrMate 210B dongle"
- depends on DONGLE && IRDA
+ depends on IRTTY_SIR && DONGLE && IRDA
help
Say Y here if you want to build support for the Tekram IrMate 210B
dongle. To compile it as a module, choose M here. The Tekram dongle
@@ -66,7 +66,7 @@ config TEKRAM_DONGLE
config TOIM3232_DONGLE
tristate "TOIM3232 IrDa dongle"
- depends on DONGLE && IRDA
+ depends on IRTTY_SIR && DONGLE && IRDA
help
Say Y here if you want to build support for the Vishay/Temic
TOIM3232 and TOIM4232 based dongles.
@@ -74,7 +74,7 @@ config TOIM3232_DONGLE
config LITELINK_DONGLE
tristate "Parallax LiteLink dongle"
- depends on DONGLE && IRDA
+ depends on IRTTY_SIR && DONGLE && IRDA
help
Say Y here if you want to build support for the Parallax Litelink
dongle. To compile it as a module, choose M here. The Parallax
@@ -85,7 +85,7 @@ config LITELINK_DONGLE
config MA600_DONGLE
tristate "Mobile Action MA600 dongle"
- depends on DONGLE && IRDA && EXPERIMENTAL
+ depends on IRTTY_SIR && DONGLE && IRDA && EXPERIMENTAL
help
Say Y here if you want to build support for the Mobile Action MA600
dongle. To compile it as a module, choose M here. The MA600 dongle
@@ -98,7 +98,7 @@ config MA600_DONGLE
config GIRBIL_DONGLE
tristate "Greenwich GIrBIL dongle"
- depends on DONGLE && IRDA && EXPERIMENTAL
+ depends on IRTTY_SIR && DONGLE && IRDA && EXPERIMENTAL
help
Say Y here if you want to build support for the Greenwich GIrBIL
dongle. If you want to compile it as a module, choose M here.
@@ -109,7 +109,7 @@ config GIRBIL_DONGLE
config MCP2120_DONGLE
tristate "Microchip MCP2120"
- depends on DONGLE && IRDA && EXPERIMENTAL
+ depends on IRTTY_SIR && DONGLE && IRDA && EXPERIMENTAL
help
Say Y here if you want to build support for the Microchip MCP2120
dongle. If you want to compile it as a module, choose M here.
@@ -123,7 +123,7 @@ config MCP2120_DONGLE
config OLD_BELKIN_DONGLE
tristate "Old Belkin dongle"
- depends on DONGLE && IRDA && EXPERIMENTAL
+ depends on IRTTY_SIR && DONGLE && IRDA && EXPERIMENTAL
help
Say Y here if you want to build support for the Adaptec Airport 1000
and 2000 dongles. If you want to compile it as a module, choose
@@ -132,7 +132,7 @@ config OLD_BELKIN_DONGLE
config ACT200L_DONGLE
tristate "ACTiSYS IR-200L dongle"
- depends on DONGLE && IRDA && EXPERIMENTAL
+ depends on IRTTY_SIR && DONGLE && IRDA && EXPERIMENTAL
help
Say Y here if you want to build support for the ACTiSYS IR-200L
dongle. If you want to compile it as a module, choose M here.
diff --git a/drivers/spi/spi_s3c24xx.c b/drivers/spi/spi_s3c24xx.c
index 9de4b5a04d70f2..5fc14563ee3a98 100644
--- a/drivers/spi/spi_s3c24xx.c
+++ b/drivers/spi/spi_s3c24xx.c
@@ -405,7 +405,7 @@ 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;
@@ -413,7 +413,7 @@ static int s3c24xx_spi_suspend(struct platform_device *pdev, pm_message_t msg)
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;