diff options
Diffstat (limited to 'drivers/s390')
| -rw-r--r-- | drivers/s390/block/dasd_eckd.c | 2 | ||||
| -rw-r--r-- | drivers/s390/block/dasd_ioctl.c | 1 | ||||
| -rw-r--r-- | drivers/s390/char/con3215.c | 22 | ||||
| -rw-r--r-- | drivers/s390/char/fs3270.c | 1 | ||||
| -rw-r--r-- | drivers/s390/char/vmcp.c | 1 | ||||
| -rw-r--r-- | drivers/s390/cio/chsc_sch.c | 1 | ||||
| -rw-r--r-- | drivers/s390/scsi/zfcp_cfdc.c | 1 |
7 files changed, 21 insertions, 8 deletions
diff --git a/drivers/s390/block/dasd_eckd.c b/drivers/s390/block/dasd_eckd.c index 70880be26015..2617b1ed4709 100644 --- a/drivers/s390/block/dasd_eckd.c +++ b/drivers/s390/block/dasd_eckd.c @@ -18,12 +18,12 @@ #include <linux/hdreg.h> /* HDIO_GETGEO */ #include <linux/bio.h> #include <linux/module.h> +#include <linux/compat.h> #include <linux/init.h> #include <asm/debug.h> #include <asm/idals.h> #include <asm/ebcdic.h> -#include <asm/compat.h> #include <asm/io.h> #include <asm/uaccess.h> #include <asm/cio.h> diff --git a/drivers/s390/block/dasd_ioctl.c b/drivers/s390/block/dasd_ioctl.c index f1a2016829fc..792c69e78fe2 100644 --- a/drivers/s390/block/dasd_ioctl.c +++ b/drivers/s390/block/dasd_ioctl.c @@ -13,6 +13,7 @@ #define KMSG_COMPONENT "dasd" #include <linux/interrupt.h> +#include <linux/compat.h> #include <linux/major.h> #include <linux/fs.h> #include <linux/blkpg.h> diff --git a/drivers/s390/char/con3215.c b/drivers/s390/char/con3215.c index 934458ad55e5..e71a50d4b221 100644 --- a/drivers/s390/char/con3215.c +++ b/drivers/s390/char/con3215.c @@ -87,6 +87,7 @@ struct raw3215_info { struct tty_struct *tty; /* pointer to tty structure if present */ struct raw3215_req *queued_read; /* pointer to queued read requests */ struct raw3215_req *queued_write;/* pointer to queued write requests */ + struct tasklet_struct tlet; /* tasklet to invoke tty_wakeup */ wait_queue_head_t empty_wait; /* wait queue for flushing */ struct timer_list timer; /* timer for delayed output */ int line_pos; /* position on the line (for tabs) */ @@ -334,19 +335,23 @@ static inline void raw3215_try_io(struct raw3215_info *raw) } /* + * Call tty_wakeup from tasklet context + */ +static void raw3215_wakeup(unsigned long data) +{ + struct raw3215_info *raw = (struct raw3215_info *) data; + tty_wakeup(raw->tty); +} + +/* * Try to start the next IO and wake up processes waiting on the tty. */ static void raw3215_next_io(struct raw3215_info *raw) { - struct tty_struct *tty; - raw3215_mk_write_req(raw); raw3215_try_io(raw); - tty = raw->tty; - if (tty != NULL && - RAW3215_BUFFER_SIZE - raw->count >= RAW3215_MIN_SPACE) { - tty_wakeup(tty); - } + if (raw->tty && RAW3215_BUFFER_SIZE - raw->count >= RAW3215_MIN_SPACE) + tasklet_schedule(&raw->tlet); } /* @@ -682,6 +687,7 @@ static int raw3215_probe (struct ccw_device *cdev) return -ENOMEM; } init_waitqueue_head(&raw->empty_wait); + tasklet_init(&raw->tlet, raw3215_wakeup, (unsigned long) raw); dev_set_drvdata(&cdev->dev, raw); cdev->handler = raw3215_irq; @@ -901,6 +907,7 @@ static int __init con3215_init(void) raw->flags |= RAW3215_FIXED; init_waitqueue_head(&raw->empty_wait); + tasklet_init(&raw->tlet, raw3215_wakeup, (unsigned long) raw); /* Request the console irq */ if (raw3215_startup(raw) != 0) { @@ -966,6 +973,7 @@ static void tty3215_close(struct tty_struct *tty, struct file * filp) tty->closing = 1; /* Shutdown the terminal */ raw3215_shutdown(raw); + tasklet_kill(&raw->tlet); tty->closing = 0; raw->tty = NULL; } diff --git a/drivers/s390/char/fs3270.c b/drivers/s390/char/fs3270.c index e71298158f9e..911704571b9c 100644 --- a/drivers/s390/char/fs3270.c +++ b/drivers/s390/char/fs3270.c @@ -11,6 +11,7 @@ #include <linux/console.h> #include <linux/init.h> #include <linux/interrupt.h> +#include <linux/compat.h> #include <linux/module.h> #include <linux/list.h> #include <linux/slab.h> diff --git a/drivers/s390/char/vmcp.c b/drivers/s390/char/vmcp.c index 75bde6a8b7dc..89c03e6b1c0c 100644 --- a/drivers/s390/char/vmcp.c +++ b/drivers/s390/char/vmcp.c @@ -13,6 +13,7 @@ #include <linux/fs.h> #include <linux/init.h> +#include <linux/compat.h> #include <linux/kernel.h> #include <linux/miscdevice.h> #include <linux/slab.h> diff --git a/drivers/s390/cio/chsc_sch.c b/drivers/s390/cio/chsc_sch.c index 0c87b0fc7714..8f9a1a384496 100644 --- a/drivers/s390/cio/chsc_sch.c +++ b/drivers/s390/cio/chsc_sch.c @@ -8,6 +8,7 @@ */ #include <linux/slab.h> +#include <linux/compat.h> #include <linux/device.h> #include <linux/module.h> #include <linux/uaccess.h> diff --git a/drivers/s390/scsi/zfcp_cfdc.c b/drivers/s390/scsi/zfcp_cfdc.c index 303dde09d294..fab2c2592a97 100644 --- a/drivers/s390/scsi/zfcp_cfdc.c +++ b/drivers/s390/scsi/zfcp_cfdc.c @@ -11,6 +11,7 @@ #define KMSG_COMPONENT "zfcp" #define pr_fmt(fmt) KMSG_COMPONENT ": " fmt +#include <linux/compat.h> #include <linux/slab.h> #include <linux/types.h> #include <linux/miscdevice.h> |