diff options
author | Paul Mundt <lethal@linux-sh.org> | 2011-01-13 15:06:28 +0900 |
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committer | Paul Mundt <lethal@linux-sh.org> | 2011-01-13 15:06:28 +0900 |
commit | f43dc23d5ea91fca257be02138a255f02d98e806 (patch) | |
tree | b29722f6e965316e90ac97abf79923ced250dc21 /sound/oss/vwsnd.c | |
parent | f8e53553f452dcbf67cb89c8cba63a1cd6eb4cc0 (diff) | |
parent | 4162cf64973df51fc885825bc9ca4d055891c49f (diff) |
Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/torvalds/linux-2.6 into common/serial-rework
Conflicts:
arch/sh/kernel/cpu/sh2/setup-sh7619.c
arch/sh/kernel/cpu/sh2a/setup-mxg.c
arch/sh/kernel/cpu/sh2a/setup-sh7201.c
arch/sh/kernel/cpu/sh2a/setup-sh7203.c
arch/sh/kernel/cpu/sh2a/setup-sh7206.c
arch/sh/kernel/cpu/sh3/setup-sh7705.c
arch/sh/kernel/cpu/sh3/setup-sh770x.c
arch/sh/kernel/cpu/sh3/setup-sh7710.c
arch/sh/kernel/cpu/sh3/setup-sh7720.c
arch/sh/kernel/cpu/sh4/setup-sh4-202.c
arch/sh/kernel/cpu/sh4/setup-sh7750.c
arch/sh/kernel/cpu/sh4/setup-sh7760.c
arch/sh/kernel/cpu/sh4a/setup-sh7343.c
arch/sh/kernel/cpu/sh4a/setup-sh7366.c
arch/sh/kernel/cpu/sh4a/setup-sh7722.c
arch/sh/kernel/cpu/sh4a/setup-sh7723.c
arch/sh/kernel/cpu/sh4a/setup-sh7724.c
arch/sh/kernel/cpu/sh4a/setup-sh7763.c
arch/sh/kernel/cpu/sh4a/setup-sh7770.c
arch/sh/kernel/cpu/sh4a/setup-sh7780.c
arch/sh/kernel/cpu/sh4a/setup-sh7785.c
arch/sh/kernel/cpu/sh4a/setup-sh7786.c
arch/sh/kernel/cpu/sh4a/setup-shx3.c
arch/sh/kernel/cpu/sh5/setup-sh5.c
drivers/serial/sh-sci.c
drivers/serial/sh-sci.h
include/linux/serial_sci.h
Diffstat (limited to 'sound/oss/vwsnd.c')
-rw-r--r-- | sound/oss/vwsnd.c | 45 |
1 files changed, 28 insertions, 17 deletions
diff --git a/sound/oss/vwsnd.c b/sound/oss/vwsnd.c index 187f72750e8..643f1113b1d 100644 --- a/sound/oss/vwsnd.c +++ b/sound/oss/vwsnd.c @@ -145,10 +145,10 @@ #include <linux/init.h> #include <linux/spinlock.h> -#include <linux/smp_lock.h> #include <linux/wait.h> #include <linux/interrupt.h> #include <linux/mutex.h> +#include <linux/slab.h> #include <asm/visws/cobalt.h> @@ -159,6 +159,7 @@ #ifdef VWSND_DEBUG +static DEFINE_MUTEX(vwsnd_mutex); static int shut_up = 1; /* @@ -628,7 +629,7 @@ static void li_setup_dma(dma_chan_t *chan, ASSERT(!(buffer_paddr & 0xFF)); chan->baseval = (buffer_paddr >> 8) | 1 << (37 - 8); - chan->cfgval = (!LI_CCFG_LOCK | + chan->cfgval = ((chan->cfgval & ~LI_CCFG_LOCK) | SHIFT_FIELD(desc->ad1843_slot, LI_CCFG_SLOT) | desc->direction | mode | @@ -638,9 +639,9 @@ static void li_setup_dma(dma_chan_t *chan, tmask = 13 - fragshift; /* See Lithium DMA Notes above. */ ASSERT(size >= 2 && size <= 7); ASSERT(tmask >= 1 && tmask <= 7); - chan->ctlval = (!LI_CCTL_RESET | + chan->ctlval = ((chan->ctlval & ~LI_CCTL_RESET) | SHIFT_FIELD(size, LI_CCTL_SIZE) | - !LI_CCTL_DMA_ENABLE | + (chan->ctlval & ~LI_CCTL_DMA_ENABLE) | SHIFT_FIELD(tmask, LI_CCTL_TMASK) | SHIFT_FIELD(0, LI_CCTL_TPTR)); @@ -2428,8 +2429,7 @@ static unsigned int vwsnd_audio_poll(struct file *file, return mask; } -static int vwsnd_audio_do_ioctl(struct inode *inode, - struct file *file, +static int vwsnd_audio_do_ioctl(struct file *file, unsigned int cmd, unsigned long arg) { @@ -2445,8 +2445,8 @@ static int vwsnd_audio_do_ioctl(struct inode *inode, int ival; - DBGEV("(inode=0x%p, file=0x%p, cmd=0x%x, arg=0x%lx)\n", - inode, file, cmd, arg); + DBGEV("(file=0x%p, cmd=0x%x, arg=0x%lx)\n", + file, cmd, arg); switch (cmd) { case OSS_GETVERSION: /* _SIOR ('M', 118, int) */ DBGX("OSS_GETVERSION\n"); @@ -2884,17 +2884,19 @@ static int vwsnd_audio_do_ioctl(struct inode *inode, return -EINVAL; } -static int vwsnd_audio_ioctl(struct inode *inode, - struct file *file, +static long vwsnd_audio_ioctl(struct file *file, unsigned int cmd, unsigned long arg) { vwsnd_dev_t *devc = (vwsnd_dev_t *) file->private_data; int ret; + mutex_lock(&vwsnd_mutex); mutex_lock(&devc->io_mutex); - ret = vwsnd_audio_do_ioctl(inode, file, cmd, arg); + ret = vwsnd_audio_do_ioctl(file, cmd, arg); mutex_unlock(&devc->io_mutex); + mutex_unlock(&vwsnd_mutex); + return ret; } @@ -2920,6 +2922,7 @@ static int vwsnd_audio_open(struct inode *inode, struct file *file) DBGE("(inode=0x%p, file=0x%p)\n", inode, file); + mutex_lock(&vwsnd_mutex); INC_USE_COUNT; for (devc = vwsnd_dev_list; devc; devc = devc->next_dev) if ((devc->audio_minor & ~0x0F) == (minor & ~0x0F)) @@ -2927,6 +2930,7 @@ static int vwsnd_audio_open(struct inode *inode, struct file *file) if (devc == NULL) { DEC_USE_COUNT; + mutex_unlock(&vwsnd_mutex); return -ENODEV; } @@ -2935,11 +2939,13 @@ static int vwsnd_audio_open(struct inode *inode, struct file *file) mutex_unlock(&devc->open_mutex); if (file->f_flags & O_NONBLOCK) { DEC_USE_COUNT; + mutex_unlock(&vwsnd_mutex); return -EBUSY; } interruptible_sleep_on(&devc->open_wait); if (signal_pending(current)) { DEC_USE_COUNT; + mutex_unlock(&vwsnd_mutex); return -ERESTARTSYS; } mutex_lock(&devc->open_mutex); @@ -2992,6 +2998,7 @@ static int vwsnd_audio_open(struct inode *inode, struct file *file) file->private_data = devc; DBGRV(); + mutex_unlock(&vwsnd_mutex); return 0; } @@ -3005,7 +3012,7 @@ static int vwsnd_audio_release(struct inode *inode, struct file *file) vwsnd_port_t *wport = NULL, *rport = NULL; int err = 0; - lock_kernel(); + mutex_lock(&vwsnd_mutex); mutex_lock(&devc->io_mutex); { DBGEV("(inode=0x%p, file=0x%p)\n", inode, file); @@ -3033,7 +3040,7 @@ static int vwsnd_audio_release(struct inode *inode, struct file *file) wake_up(&devc->open_wait); DEC_USE_COUNT; DBGR(); - unlock_kernel(); + mutex_unlock(&vwsnd_mutex); return err; } @@ -3043,7 +3050,7 @@ static const struct file_operations vwsnd_audio_fops = { .read = vwsnd_audio_read, .write = vwsnd_audio_write, .poll = vwsnd_audio_poll, - .ioctl = vwsnd_audio_ioctl, + .unlocked_ioctl = vwsnd_audio_ioctl, .mmap = vwsnd_audio_mmap, .open = vwsnd_audio_open, .release = vwsnd_audio_release, @@ -3061,15 +3068,18 @@ static int vwsnd_mixer_open(struct inode *inode, struct file *file) DBGEV("(inode=0x%p, file=0x%p)\n", inode, file); INC_USE_COUNT; + mutex_lock(&vwsnd_mutex); for (devc = vwsnd_dev_list; devc; devc = devc->next_dev) if (devc->mixer_minor == iminor(inode)) break; if (devc == NULL) { DEC_USE_COUNT; + mutex_unlock(&vwsnd_mutex); return -ENODEV; } file->private_data = devc; + mutex_unlock(&vwsnd_mutex); return 0; } @@ -3202,8 +3212,7 @@ static int mixer_write_ioctl(vwsnd_dev_t *devc, unsigned int nr, void __user *ar /* This is the ioctl entry to the mixer driver. */ -static int vwsnd_mixer_ioctl(struct inode *ioctl, - struct file *file, +static long vwsnd_mixer_ioctl(struct file *file, unsigned int cmd, unsigned long arg) { @@ -3214,6 +3223,7 @@ static int vwsnd_mixer_ioctl(struct inode *ioctl, DBGEV("(devc=0x%p, cmd=0x%x, arg=0x%lx)\n", devc, cmd, arg); + mutex_lock(&vwsnd_mutex); mutex_lock(&devc->mix_mutex); { if ((cmd & ~nrmask) == MIXER_READ(0)) @@ -3224,13 +3234,14 @@ static int vwsnd_mixer_ioctl(struct inode *ioctl, retval = -EINVAL; } mutex_unlock(&devc->mix_mutex); + mutex_unlock(&vwsnd_mutex); return retval; } static const struct file_operations vwsnd_mixer_fops = { .owner = THIS_MODULE, .llseek = no_llseek, - .ioctl = vwsnd_mixer_ioctl, + .unlocked_ioctl = vwsnd_mixer_ioctl, .open = vwsnd_mixer_open, .release = vwsnd_mixer_release, }; 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