Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ieee1394...
Linus Torvalds [Mon, 18 Oct 2010 20:09:26 +0000 (13:09 -0700)]
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ieee1394/linux1394-2.6:
  firewire: ohci: fix TI TSB82AA2 regression since 2.6.35

22 files changed:
arch/m32r/include/asm/elf.h
arch/m32r/kernel/.gitignore [new file with mode: 0644]
arch/m32r/kernel/signal.c
arch/um/drivers/hostaudio_kern.c
arch/um/drivers/ubd_kern.c
drivers/block/ps3disk.c
drivers/hid/hid-cando.c
drivers/hid/hid-core.c
drivers/hid/hid-ids.h
drivers/hid/hidraw.c
drivers/hid/usbhid/hid-quirks.c
drivers/i2c/busses/i2c-davinci.c
drivers/i2c/busses/i2c-imx.c
drivers/media/video/v4l2-compat-ioctl32.c
drivers/mmc/core/core.c
drivers/mtd/nand/mxc_nand.c
fs/exec.c
include/linux/types.h
kernel/hrtimer.c
kernel/sysctl_check.c
net/rds/page.c
sound/core/rawmidi.c

index 2f85412..b8da7d0 100644 (file)
@@ -82,9 +82,9 @@ typedef elf_fpreg_t elf_fpregset_t;
  * These are used to set parameters in the core dumps.
  */
 #define ELF_CLASS      ELFCLASS32
-#if defined(__LITTLE_ENDIAN)
+#if defined(__LITTLE_ENDIAN__)
 #define ELF_DATA       ELFDATA2LSB
-#elif defined(__BIG_ENDIAN)
+#elif defined(__BIG_ENDIAN__)
 #define ELF_DATA       ELFDATA2MSB
 #else
 #error no endian defined
diff --git a/arch/m32r/kernel/.gitignore b/arch/m32r/kernel/.gitignore
new file mode 100644 (file)
index 0000000..c5f676c
--- /dev/null
@@ -0,0 +1 @@
+vmlinux.lds
index 7bbe386..a08697f 100644 (file)
@@ -28,6 +28,8 @@
 
 #define DEBUG_SIG 0
 
+#define _BLOCKABLE (~(sigmask(SIGKILL) | sigmask(SIGSTOP)))
+
 asmlinkage int
 sys_sigaltstack(const stack_t __user *uss, stack_t __user *uoss,
                unsigned long r2, unsigned long r3, unsigned long r4,
@@ -254,7 +256,7 @@ give_sigsegv:
 static int prev_insn(struct pt_regs *regs)
 {
        u16 inst;
-       if (get_user(&inst, (u16 __user *)(regs->bpc - 2)))
+       if (get_user(inst, (u16 __user *)(regs->bpc - 2)))
                return -EFAULT;
        if ((inst & 0xfff0) == 0x10f0)  /* trap ? */
                regs->bpc -= 2;
index 0c46e39..63c740a 100644 (file)
@@ -40,6 +40,11 @@ static char *mixer = HOSTAUDIO_DEV_MIXER;
 "    This is used to specify the host mixer device to the hostaudio driver.\n"\
 "    The default is \"" HOSTAUDIO_DEV_MIXER "\".\n\n"
 
+module_param(dsp, charp, 0644);
+MODULE_PARM_DESC(dsp, DSP_HELP);
+module_param(mixer, charp, 0644);
+MODULE_PARM_DESC(mixer, MIXER_HELP);
+
 #ifndef MODULE
 static int set_dsp(char *name, int *add)
 {
@@ -56,15 +61,6 @@ static int set_mixer(char *name, int *add)
 }
 
 __uml_setup("mixer=", set_mixer, "mixer=<mixer device>\n" MIXER_HELP);
-
-#else /*MODULE*/
-
-module_param(dsp, charp, 0644);
-MODULE_PARM_DESC(dsp, DSP_HELP);
-
-module_param(mixer, charp, 0644);
-MODULE_PARM_DESC(mixer, MIXER_HELP);
-
 #endif
 
 /* /dev/dsp file operations */
index 1bcd208..9734994 100644 (file)
@@ -163,6 +163,7 @@ struct ubd {
        struct scatterlist sg[MAX_SG];
        struct request *request;
        int start_sg, end_sg;
+       sector_t rq_pos;
 };
 
 #define DEFAULT_COW { \
@@ -187,6 +188,7 @@ struct ubd {
        .request =              NULL, \
        .start_sg =             0, \
        .end_sg =               0, \
+       .rq_pos =               0, \
 }
 
 /* Protected by ubd_lock */
@@ -1228,7 +1230,6 @@ static void do_ubd_request(struct request_queue *q)
 {
        struct io_thread_req *io_req;
        struct request *req;
-       sector_t sector;
        int n;
 
        while(1){
@@ -1239,12 +1240,12 @@ static void do_ubd_request(struct request_queue *q)
                                return;
 
                        dev->request = req;
+                       dev->rq_pos = blk_rq_pos(req);
                        dev->start_sg = 0;
                        dev->end_sg = blk_rq_map_sg(q, req, dev->sg);
                }
 
                req = dev->request;
-               sector = blk_rq_pos(req);
                while(dev->start_sg < dev->end_sg){
                        struct scatterlist *sg = &dev->sg[dev->start_sg];
 
@@ -1256,10 +1257,9 @@ static void do_ubd_request(struct request_queue *q)
                                return;
                        }
                        prepare_request(req, io_req,
-                                       (unsigned long long)sector << 9,
+                                       (unsigned long long)dev->rq_pos << 9,
                                        sg->offset, sg->length, sg_page(sg));
 
-                       sector += sg->length >> 9;
                        n = os_write_file(thread_fd, &io_req,
                                          sizeof(struct io_thread_req *));
                        if(n != sizeof(struct io_thread_req *)){
@@ -1272,6 +1272,7 @@ static void do_ubd_request(struct request_queue *q)
                                return;
                        }
 
+                       dev->rq_pos += sg->length >> 9;
                        dev->start_sg++;
                }
                dev->end_sg = 0;
index e9da874..03688c2 100644 (file)
@@ -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++;
        }
 }
index 4267a6f..5925bdc 100644 (file)
@@ -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);
index 3f72924..a0dea3d 100644 (file)
@@ -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) },
index 765a4f5..c5ae5f1 100644 (file)
 #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
 
 #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
index 47d70c5..a3866b5 100644 (file)
@@ -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;
 }
index 70da318..f0260c6 100644 (file)
@@ -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 },
index b8feac5..5795c83 100644 (file)
@@ -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,
index d1ff940..4c2a62b 100644 (file)
@@ -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;
        }
 
index 073f013..86294ed 100644 (file)
@@ -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:
index 5db49b1..09eee6d 100644 (file)
@@ -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);
 
index b2828e8..214b03a 100644 (file)
@@ -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;
index 03278c9..6d2b6f9 100644 (file)
--- a/fs/exec.c
+++ b/fs/exec.c
@@ -2024,6 +2024,7 @@ int dump_write(struct file *file, const void *addr, int nr)
 {
        return access_ok(VERIFY_READ, addr, nr) && file->f_op->write(file, addr, nr, &file->f_pos) == nr;
 }
+EXPORT_SYMBOL(dump_write);
 
 int dump_seek(struct file *file, loff_t off)
 {
@@ -2052,3 +2053,4 @@ int dump_seek(struct file *file, loff_t off)
        }
        return ret;
 }
+EXPORT_SYMBOL(dump_seek);
index 01a082f..357dbc1 100644 (file)
@@ -121,7 +121,15 @@ typedef            __u64           u_int64_t;
 typedef                __s64           int64_t;
 #endif
 
-/* this is a special 64bit data type that is 8-byte aligned */
+/*
+ * aligned_u64 should be used in defining kernel<->userspace ABIs to avoid
+ * common 32/64-bit compat problems.
+ * 64-bit values align to 4-byte boundaries on x86_32 (and possibly other
+ * architectures) and to 8-byte boundaries on 64-bit architetures.  The new
+ * aligned_64 type enforces 8-byte alignment so that structs containing
+ * aligned_64 values have the same alignment on 32-bit and 64-bit architectures.
+ * No conversions are necessary between 32-bit user-space and a 64-bit kernel.
+ */
 #define aligned_u64 __u64 __attribute__((aligned(8)))
 #define aligned_be64 __be64 __attribute__((aligned(8)))
 #define aligned_le64 __le64 __attribute__((aligned(8)))
@@ -178,6 +186,11 @@ typedef __u64 __bitwise __be64;
 typedef __u16 __bitwise __sum16;
 typedef __u32 __bitwise __wsum;
 
+/* this is a special 64bit data type that is 8-byte aligned */
+#define __aligned_u64 __u64 __attribute__((aligned(8)))
+#define __aligned_be64 __be64 __attribute__((aligned(8)))
+#define __aligned_le64 __le64 __attribute__((aligned(8)))
+
 #ifdef __KERNEL__
 typedef unsigned __bitwise__ gfp_t;
 typedef unsigned __bitwise__ fmode_t;
index 1decafb..72206cf 100644 (file)
@@ -931,6 +931,7 @@ static inline int
 remove_hrtimer(struct hrtimer *timer, struct hrtimer_clock_base *base)
 {
        if (hrtimer_is_queued(timer)) {
+               unsigned long state;
                int reprogram;
 
                /*
@@ -944,8 +945,13 @@ remove_hrtimer(struct hrtimer *timer, struct hrtimer_clock_base *base)
                debug_deactivate(timer);
                timer_stats_hrtimer_clear_start_info(timer);
                reprogram = base->cpu_base == &__get_cpu_var(hrtimer_bases);
-               __remove_hrtimer(timer, base, HRTIMER_STATE_INACTIVE,
-                                reprogram);
+               /*
+                * We must preserve the CALLBACK state flag here,
+                * otherwise we could move the timer base in
+                * switch_hrtimer_base.
+                */
+               state = timer->state & HRTIMER_STATE_CALLBACK;
+               __remove_hrtimer(timer, base, state, reprogram);
                return 1;
        }
        return 0;
@@ -1231,6 +1237,9 @@ static void __run_hrtimer(struct hrtimer *timer, ktime_t *now)
                BUG_ON(timer->state != HRTIMER_STATE_CALLBACK);
                enqueue_hrtimer(timer, base);
        }
+
+       WARN_ON_ONCE(!(timer->state & HRTIMER_STATE_CALLBACK));
+
        timer->state &= ~HRTIMER_STATE_CALLBACK;
 }
 
index 04cdcf7..10b90d8 100644 (file)
@@ -143,15 +143,6 @@ int sysctl_check_table(struct nsproxy *namespaces, struct ctl_table *table)
                                if (!table->maxlen)
                                        set_fail(&fail, table, "No maxlen");
                        }
-                       if ((table->proc_handler == proc_doulongvec_minmax) ||
-                           (table->proc_handler == proc_doulongvec_ms_jiffies_minmax)) {
-                               if (table->maxlen > sizeof (unsigned long)) {
-                                       if (!table->extra1)
-                                               set_fail(&fail, table, "No min");
-                                       if (!table->extra2)
-                                               set_fail(&fail, table, "No max");
-                               }
-                       }
 #ifdef CONFIG_PROC_SYSCTL
                        if (table->procname && !table->proc_handler)
                                set_fail(&fail, table, "No proc_handler");
index 595a952..1dfbfea 100644 (file)
@@ -57,30 +57,17 @@ int rds_page_copy_user(struct page *page, unsigned long offset,
        unsigned long ret;
        void *addr;
 
-       if (to_user)
+       addr = kmap(page);
+       if (to_user) {
                rds_stats_add(s_copy_to_user, bytes);
-       else
+               ret = copy_to_user(ptr, addr + offset, bytes);
+       } else {
                rds_stats_add(s_copy_from_user, bytes);
-
-       addr = kmap_atomic(page, KM_USER0);
-       if (to_user)
-               ret = __copy_to_user_inatomic(ptr, addr + offset, bytes);
-       else
-               ret = __copy_from_user_inatomic(addr + offset, ptr, bytes);
-       kunmap_atomic(addr, KM_USER0);
-
-       if (ret) {
-               addr = kmap(page);
-               if (to_user)
-                       ret = copy_to_user(ptr, addr + offset, bytes);
-               else
-                       ret = copy_from_user(addr + offset, ptr, bytes);
-               kunmap(page);
-               if (ret)
-                       return -EFAULT;
+               ret = copy_from_user(addr + offset, ptr, bytes);
        }
+       kunmap(page);
 
-       return 0;
+       return ret ? -EFAULT : 0;
 }
 EXPORT_SYMBOL_GPL(rds_page_copy_user);
 
index a7868ad..cbbed0d 100644 (file)
@@ -535,13 +535,15 @@ static int snd_rawmidi_release(struct inode *inode, struct file *file)
 {
        struct snd_rawmidi_file *rfile;
        struct snd_rawmidi *rmidi;
+       struct module *module;
 
        rfile = file->private_data;
        rmidi = rfile->rmidi;
        rawmidi_release_priv(rfile);
        kfree(rfile);
+       module = rmidi->card->module;
        snd_card_file_remove(rmidi->card, file);
-       module_put(rmidi->card->module);
+       module_put(module);
        return 0;
 }