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-rw-r--r--drivers/block/ps3disk.c2
-rw-r--r--drivers/hid/hid-cando.c2
-rw-r--r--drivers/hid/hid-core.c1
-rw-r--r--drivers/hid/hid-ids.h2
-rw-r--r--drivers/hid/hidraw.c11
-rw-r--r--drivers/hid/usbhid/hid-quirks.c1
-rw-r--r--drivers/i2c/busses/i2c-davinci.c24
-rw-r--r--drivers/i2c/busses/i2c-imx.c12
-rw-r--r--drivers/media/video/v4l2-compat-ioctl32.c32
-rw-r--r--drivers/mmc/core/core.c13
-rw-r--r--drivers/mtd/nand/mxc_nand.c92
11 files changed, 153 insertions, 39 deletions
diff --git a/drivers/block/ps3disk.c b/drivers/block/ps3disk.c
index e9da874d0419..03688c2da319 100644
--- a/drivers/block/ps3disk.c
+++ b/drivers/block/ps3disk.c
@@ -113,7 +113,7 @@ static void ps3disk_scatter_gather(struct ps3_storage_device *dev,
memcpy(buf, dev->bounce_buf+offset, size);
offset += size;
flush_kernel_dcache_page(bvec->bv_page);
- bvec_kunmap_irq(bvec, &flags);
+ bvec_kunmap_irq(buf, &flags);
i++;
}
}
diff --git a/drivers/hid/hid-cando.c b/drivers/hid/hid-cando.c
index 4267a6fdc277..5925bdcd417d 100644
--- a/drivers/hid/hid-cando.c
+++ b/drivers/hid/hid-cando.c
@@ -237,6 +237,8 @@ static const struct hid_device_id cando_devices[] = {
USB_DEVICE_ID_CANDO_MULTI_TOUCH) },
{ HID_USB_DEVICE(USB_VENDOR_ID_CANDO,
USB_DEVICE_ID_CANDO_MULTI_TOUCH_11_6) },
+ { HID_USB_DEVICE(USB_VENDOR_ID_CANDO,
+ USB_DEVICE_ID_CANDO_MULTI_TOUCH_15_6) },
{ }
};
MODULE_DEVICE_TABLE(hid, cando_devices);
diff --git a/drivers/hid/hid-core.c b/drivers/hid/hid-core.c
index 3f7292486024..a0dea3d1296e 100644
--- a/drivers/hid/hid-core.c
+++ b/drivers/hid/hid-core.c
@@ -1292,6 +1292,7 @@ static const struct hid_device_id hid_blacklist[] = {
{ HID_USB_DEVICE(USB_VENDOR_ID_BTC, USB_DEVICE_ID_BTC_EMPREX_REMOTE_2) },
{ HID_USB_DEVICE(USB_VENDOR_ID_CANDO, USB_DEVICE_ID_CANDO_MULTI_TOUCH) },
{ HID_USB_DEVICE(USB_VENDOR_ID_CANDO, USB_DEVICE_ID_CANDO_MULTI_TOUCH_11_6) },
+ { HID_USB_DEVICE(USB_VENDOR_ID_CANDO, USB_DEVICE_ID_CANDO_MULTI_TOUCH_15_6) },
{ HID_USB_DEVICE(USB_VENDOR_ID_CHERRY, USB_DEVICE_ID_CHERRY_CYMOTION) },
{ HID_USB_DEVICE(USB_VENDOR_ID_CHERRY, USB_DEVICE_ID_CHERRY_CYMOTION_SOLAR) },
{ HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_TACTICAL_PAD) },
diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h
index 765a4f53eb5c..c5ae5f1545bd 100644
--- a/drivers/hid/hid-ids.h
+++ b/drivers/hid/hid-ids.h
@@ -134,6 +134,7 @@
#define USB_VENDOR_ID_CANDO 0x2087
#define USB_DEVICE_ID_CANDO_MULTI_TOUCH 0x0a01
#define USB_DEVICE_ID_CANDO_MULTI_TOUCH_11_6 0x0b03
+#define USB_DEVICE_ID_CANDO_MULTI_TOUCH_15_6 0x0f01
#define USB_VENDOR_ID_CH 0x068e
#define USB_DEVICE_ID_CH_PRO_PEDALS 0x00f2
@@ -503,6 +504,7 @@
#define USB_VENDOR_ID_TURBOX 0x062a
#define USB_DEVICE_ID_TURBOX_KEYBOARD 0x0201
+#define USB_DEVICE_ID_TURBOX_TOUCHSCREEN_MOSART 0x7100
#define USB_VENDOR_ID_TWINHAN 0x6253
#define USB_DEVICE_ID_TWINHAN_IR_REMOTE 0x0100
diff --git a/drivers/hid/hidraw.c b/drivers/hid/hidraw.c
index 47d70c523d93..a3866b5c0c43 100644
--- a/drivers/hid/hidraw.c
+++ b/drivers/hid/hidraw.c
@@ -109,6 +109,12 @@ static ssize_t hidraw_write(struct file *file, const char __user *buffer, size_t
int ret = 0;
mutex_lock(&minors_lock);
+
+ if (!hidraw_table[minor]) {
+ ret = -ENODEV;
+ goto out;
+ }
+
dev = hidraw_table[minor]->hid;
if (!dev->hid_output_raw_report) {
@@ -244,6 +250,10 @@ static long hidraw_ioctl(struct file *file, unsigned int cmd,
mutex_lock(&minors_lock);
dev = hidraw_table[minor];
+ if (!dev) {
+ ret = -ENODEV;
+ goto out;
+ }
switch (cmd) {
case HIDIOCGRDESCSIZE:
@@ -317,6 +327,7 @@ static long hidraw_ioctl(struct file *file, unsigned int cmd,
ret = -ENOTTY;
}
+out:
mutex_unlock(&minors_lock);
return ret;
}
diff --git a/drivers/hid/usbhid/hid-quirks.c b/drivers/hid/usbhid/hid-quirks.c
index 70da3181c8a0..f0260c699adb 100644
--- a/drivers/hid/usbhid/hid-quirks.c
+++ b/drivers/hid/usbhid/hid-quirks.c
@@ -36,6 +36,7 @@ static const struct hid_blacklist {
{ USB_VENDOR_ID_DWAV, USB_DEVICE_ID_EGALAX_TOUCHCONTROLLER, HID_QUIRK_MULTI_INPUT | HID_QUIRK_NOGET },
{ USB_VENDOR_ID_DWAV, USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH, HID_QUIRK_MULTI_INPUT },
{ USB_VENDOR_ID_MOJO, USB_DEVICE_ID_RETRO_ADAPTER, HID_QUIRK_MULTI_INPUT },
+ { USB_VENDOR_ID_TURBOX, USB_DEVICE_ID_TURBOX_TOUCHSCREEN_MOSART, HID_QUIRK_MULTI_INPUT },
{ USB_VENDOR_ID_HAPP, USB_DEVICE_ID_UGCI_DRIVING, HID_QUIRK_BADPAD | HID_QUIRK_MULTI_INPUT },
{ USB_VENDOR_ID_HAPP, USB_DEVICE_ID_UGCI_FLYING, HID_QUIRK_BADPAD | HID_QUIRK_MULTI_INPUT },
{ USB_VENDOR_ID_HAPP, USB_DEVICE_ID_UGCI_FIGHTING, HID_QUIRK_BADPAD | HID_QUIRK_MULTI_INPUT },
diff --git a/drivers/i2c/busses/i2c-davinci.c b/drivers/i2c/busses/i2c-davinci.c
index b8feac5f2ef4..5795c8398c7c 100644
--- a/drivers/i2c/busses/i2c-davinci.c
+++ b/drivers/i2c/busses/i2c-davinci.c
@@ -331,21 +331,16 @@ i2c_davinci_xfer_msg(struct i2c_adapter *adap, struct i2c_msg *msg, int stop)
INIT_COMPLETION(dev->cmd_complete);
dev->cmd_err = 0;
- /* Take I2C out of reset, configure it as master and set the
- * start bit */
- flag = DAVINCI_I2C_MDR_IRS | DAVINCI_I2C_MDR_MST | DAVINCI_I2C_MDR_STT;
+ /* Take I2C out of reset and configure it as master */
+ flag = DAVINCI_I2C_MDR_IRS | DAVINCI_I2C_MDR_MST;
/* if the slave address is ten bit address, enable XA bit */
if (msg->flags & I2C_M_TEN)
flag |= DAVINCI_I2C_MDR_XA;
if (!(msg->flags & I2C_M_RD))
flag |= DAVINCI_I2C_MDR_TRX;
- if (stop)
- flag |= DAVINCI_I2C_MDR_STP;
- if (msg->len == 0) {
+ if (msg->len == 0)
flag |= DAVINCI_I2C_MDR_RM;
- flag &= ~DAVINCI_I2C_MDR_STP;
- }
/* Enable receive or transmit interrupts */
w = davinci_i2c_read_reg(dev, DAVINCI_I2C_IMR_REG);
@@ -358,17 +353,28 @@ i2c_davinci_xfer_msg(struct i2c_adapter *adap, struct i2c_msg *msg, int stop)
dev->terminate = 0;
/*
+ * Write mode register first as needed for correct behaviour
+ * on OMAP-L138, but don't set STT yet to avoid a race with XRDY
+ * occuring before we have loaded DXR
+ */
+ davinci_i2c_write_reg(dev, DAVINCI_I2C_MDR_REG, flag);
+
+ /*
* First byte should be set here, not after interrupt,
* because transmit-data-ready interrupt can come before
* NACK-interrupt during sending of previous message and
* ICDXR may have wrong data
+ * It also saves us one interrupt, slightly faster
*/
if ((!(msg->flags & I2C_M_RD)) && dev->buf_len) {
davinci_i2c_write_reg(dev, DAVINCI_I2C_DXR_REG, *dev->buf++);
dev->buf_len--;
}
- /* write the data into mode register; start transmitting */
+ /* Set STT to begin transmit now DXR is loaded */
+ flag |= DAVINCI_I2C_MDR_STT;
+ if (stop && msg->len != 0)
+ flag |= DAVINCI_I2C_MDR_STP;
davinci_i2c_write_reg(dev, DAVINCI_I2C_MDR_REG, flag);
r = wait_for_completion_interruptible_timeout(&dev->cmd_complete,
diff --git a/drivers/i2c/busses/i2c-imx.c b/drivers/i2c/busses/i2c-imx.c
index d1ff9408dc1f..4c2a62b75b5c 100644
--- a/drivers/i2c/busses/i2c-imx.c
+++ b/drivers/i2c/busses/i2c-imx.c
@@ -159,15 +159,9 @@ static int i2c_imx_bus_busy(struct imx_i2c_struct *i2c_imx, int for_busy)
static int i2c_imx_trx_complete(struct imx_i2c_struct *i2c_imx)
{
- int result;
-
- result = wait_event_interruptible_timeout(i2c_imx->queue,
- i2c_imx->i2csr & I2SR_IIF, HZ / 10);
+ wait_event_timeout(i2c_imx->queue, i2c_imx->i2csr & I2SR_IIF, HZ / 10);
- if (unlikely(result < 0)) {
- dev_dbg(&i2c_imx->adapter.dev, "<%s> result < 0\n", __func__);
- return result;
- } else if (unlikely(!(i2c_imx->i2csr & I2SR_IIF))) {
+ if (unlikely(!(i2c_imx->i2csr & I2SR_IIF))) {
dev_dbg(&i2c_imx->adapter.dev, "<%s> Timeout\n", __func__);
return -ETIMEDOUT;
}
@@ -295,7 +289,7 @@ static irqreturn_t i2c_imx_isr(int irq, void *dev_id)
i2c_imx->i2csr = temp;
temp &= ~I2SR_IIF;
writeb(temp, i2c_imx->base + IMX_I2C_I2SR);
- wake_up_interruptible(&i2c_imx->queue);
+ wake_up(&i2c_imx->queue);
return IRQ_HANDLED;
}
diff --git a/drivers/media/video/v4l2-compat-ioctl32.c b/drivers/media/video/v4l2-compat-ioctl32.c
index 073f01390cdd..86294ed35c9b 100644
--- a/drivers/media/video/v4l2-compat-ioctl32.c
+++ b/drivers/media/video/v4l2-compat-ioctl32.c
@@ -193,17 +193,24 @@ static int put_video_window32(struct video_window *kp, struct video_window32 __u
struct video_code32 {
char loadwhat[16]; /* name or tag of file being passed */
compat_int_t datasize;
- unsigned char *data;
+ compat_uptr_t data;
};
-static int get_microcode32(struct video_code *kp, struct video_code32 __user *up)
+static struct video_code __user *get_microcode32(struct video_code32 *kp)
{
- if (!access_ok(VERIFY_READ, up, sizeof(struct video_code32)) ||
- copy_from_user(kp->loadwhat, up->loadwhat, sizeof(up->loadwhat)) ||
- get_user(kp->datasize, &up->datasize) ||
- copy_from_user(kp->data, up->data, up->datasize))
- return -EFAULT;
- return 0;
+ struct video_code __user *up;
+
+ up = compat_alloc_user_space(sizeof(*up));
+
+ /*
+ * NOTE! We don't actually care if these fail. If the
+ * user address is invalid, the native ioctl will do
+ * the error handling for us
+ */
+ (void) copy_to_user(up->loadwhat, kp->loadwhat, sizeof(up->loadwhat));
+ (void) put_user(kp->datasize, &up->datasize);
+ (void) put_user(compat_ptr(kp->data), &up->data);
+ return up;
}
#define VIDIOCGTUNER32 _IOWR('v', 4, struct video_tuner32)
@@ -739,7 +746,7 @@ static long do_video_ioctl(struct file *file, unsigned int cmd, unsigned long ar
struct video_tuner vt;
struct video_buffer vb;
struct video_window vw;
- struct video_code vc;
+ struct video_code32 vc;
struct video_audio va;
#endif
struct v4l2_format v2f;
@@ -818,8 +825,11 @@ static long do_video_ioctl(struct file *file, unsigned int cmd, unsigned long ar
break;
case VIDIOCSMICROCODE:
- err = get_microcode32(&karg.vc, up);
- compatible_arg = 0;
+ /* Copy the 32-bit "video_code32" to kernel space */
+ if (copy_from_user(&karg.vc, up, sizeof(karg.vc)))
+ return -EFAULT;
+ /* Convert the 32-bit version to a 64-bit version in user space */
+ up = get_microcode32(&karg.vc);
break;
case VIDIOCSFREQ:
diff --git a/drivers/mmc/core/core.c b/drivers/mmc/core/core.c
index 5db49b124ffa..09eee6df0653 100644
--- a/drivers/mmc/core/core.c
+++ b/drivers/mmc/core/core.c
@@ -1631,6 +1631,19 @@ int mmc_suspend_host(struct mmc_host *host)
if (host->bus_ops && !host->bus_dead) {
if (host->bus_ops->suspend)
err = host->bus_ops->suspend(host);
+ if (err == -ENOSYS || !host->bus_ops->resume) {
+ /*
+ * We simply "remove" the card in this case.
+ * It will be redetected on resume.
+ */
+ if (host->bus_ops->remove)
+ host->bus_ops->remove(host);
+ mmc_claim_host(host);
+ mmc_detach_bus(host);
+ mmc_release_host(host);
+ host->pm_flags = 0;
+ err = 0;
+ }
}
mmc_bus_put(host);
diff --git a/drivers/mtd/nand/mxc_nand.c b/drivers/mtd/nand/mxc_nand.c
index b2828e84d243..214b03afdd48 100644
--- a/drivers/mtd/nand/mxc_nand.c
+++ b/drivers/mtd/nand/mxc_nand.c
@@ -30,6 +30,8 @@
#include <linux/clk.h>
#include <linux/err.h>
#include <linux/io.h>
+#include <linux/irq.h>
+#include <linux/completion.h>
#include <asm/mach/flash.h>
#include <mach/mxc_nand.h>
@@ -151,7 +153,7 @@ struct mxc_nand_host {
int irq;
int eccsize;
- wait_queue_head_t irq_waitq;
+ struct completion op_completion;
uint8_t *data_buf;
unsigned int buf_start;
@@ -164,6 +166,7 @@ struct mxc_nand_host {
void (*send_read_id)(struct mxc_nand_host *);
uint16_t (*get_dev_status)(struct mxc_nand_host *);
int (*check_int)(struct mxc_nand_host *);
+ void (*irq_control)(struct mxc_nand_host *, int);
};
/* OOB placement block for use with hardware ecc generation */
@@ -216,9 +219,12 @@ static irqreturn_t mxc_nfc_irq(int irq, void *dev_id)
{
struct mxc_nand_host *host = dev_id;
- disable_irq_nosync(irq);
+ if (!host->check_int(host))
+ return IRQ_NONE;
- wake_up(&host->irq_waitq);
+ host->irq_control(host, 0);
+
+ complete(&host->op_completion);
return IRQ_HANDLED;
}
@@ -245,11 +251,54 @@ static int check_int_v1_v2(struct mxc_nand_host *host)
if (!(tmp & NFC_V1_V2_CONFIG2_INT))
return 0;
- writew(tmp & ~NFC_V1_V2_CONFIG2_INT, NFC_V1_V2_CONFIG2);
+ if (!cpu_is_mx21())
+ writew(tmp & ~NFC_V1_V2_CONFIG2_INT, NFC_V1_V2_CONFIG2);
return 1;
}
+/*
+ * It has been observed that the i.MX21 cannot read the CONFIG2:INT bit
+ * if interrupts are masked (CONFIG1:INT_MSK is set). To handle this, the
+ * driver can enable/disable the irq line rather than simply masking the
+ * interrupts.
+ */
+static void irq_control_mx21(struct mxc_nand_host *host, int activate)
+{
+ if (activate)
+ enable_irq(host->irq);
+ else
+ disable_irq_nosync(host->irq);
+}
+
+static void irq_control_v1_v2(struct mxc_nand_host *host, int activate)
+{
+ uint16_t tmp;
+
+ tmp = readw(NFC_V1_V2_CONFIG1);
+
+ if (activate)
+ tmp &= ~NFC_V1_V2_CONFIG1_INT_MSK;
+ else
+ tmp |= NFC_V1_V2_CONFIG1_INT_MSK;
+
+ writew(tmp, NFC_V1_V2_CONFIG1);
+}
+
+static void irq_control_v3(struct mxc_nand_host *host, int activate)
+{
+ uint32_t tmp;
+
+ tmp = readl(NFC_V3_CONFIG2);
+
+ if (activate)
+ tmp &= ~NFC_V3_CONFIG2_INT_MSK;
+ else
+ tmp |= NFC_V3_CONFIG2_INT_MSK;
+
+ writel(tmp, NFC_V3_CONFIG2);
+}
+
/* This function polls the NANDFC to wait for the basic operation to
* complete by checking the INT bit of config2 register.
*/
@@ -259,10 +308,9 @@ static void wait_op_done(struct mxc_nand_host *host, int useirq)
if (useirq) {
if (!host->check_int(host)) {
-
- enable_irq(host->irq);
-
- wait_event(host->irq_waitq, host->check_int(host));
+ INIT_COMPLETION(host->op_completion);
+ host->irq_control(host, 1);
+ wait_for_completion(&host->op_completion);
}
} else {
while (max_retries-- > 0) {
@@ -799,6 +847,7 @@ static void preset_v3(struct mtd_info *mtd)
NFC_V3_CONFIG2_2CMD_PHASES |
NFC_V3_CONFIG2_SPAS(mtd->oobsize >> 1) |
NFC_V3_CONFIG2_ST_CMD(0x70) |
+ NFC_V3_CONFIG2_INT_MSK |
NFC_V3_CONFIG2_NUM_ADDR_PHASE0;
if (chip->ecc.mode == NAND_ECC_HW)
@@ -1024,6 +1073,10 @@ static int __init mxcnd_probe(struct platform_device *pdev)
host->send_read_id = send_read_id_v1_v2;
host->get_dev_status = get_dev_status_v1_v2;
host->check_int = check_int_v1_v2;
+ if (cpu_is_mx21())
+ host->irq_control = irq_control_mx21;
+ else
+ host->irq_control = irq_control_v1_v2;
}
if (nfc_is_v21()) {
@@ -1062,6 +1115,7 @@ static int __init mxcnd_probe(struct platform_device *pdev)
host->send_read_id = send_read_id_v3;
host->check_int = check_int_v3;
host->get_dev_status = get_dev_status_v3;
+ host->irq_control = irq_control_v3;
oob_smallpage = &nandv2_hw_eccoob_smallpage;
oob_largepage = &nandv2_hw_eccoob_largepage;
} else
@@ -1093,14 +1147,34 @@ static int __init mxcnd_probe(struct platform_device *pdev)
this->options |= NAND_USE_FLASH_BBT;
}
- init_waitqueue_head(&host->irq_waitq);
+ init_completion(&host->op_completion);
host->irq = platform_get_irq(pdev, 0);
+ /*
+ * mask the interrupt. For i.MX21 explicitely call
+ * irq_control_v1_v2 to use the mask bit. We can't call
+ * disable_irq_nosync() for an interrupt we do not own yet.
+ */
+ if (cpu_is_mx21())
+ irq_control_v1_v2(host, 0);
+ else
+ host->irq_control(host, 0);
+
err = request_irq(host->irq, mxc_nfc_irq, IRQF_DISABLED, DRIVER_NAME, host);
if (err)
goto eirq;
+ host->irq_control(host, 0);
+
+ /*
+ * Now that the interrupt is disabled make sure the interrupt
+ * mask bit is cleared on i.MX21. Otherwise we can't read
+ * the interrupt status bit on this machine.
+ */
+ if (cpu_is_mx21())
+ irq_control_v1_v2(host, 1);
+
/* first scan to find the device and get the page size */
if (nand_scan_ident(mtd, 1, NULL)) {
err = -ENXIO;
generated by cgit v1.2.3 (git 2.39.1) at 2025-01-21 22:25:18 +0100