diff options
Diffstat (limited to 'sound/oss/dmabuf.c')
| -rw-r--r-- | sound/oss/dmabuf.c | 20 |
1 files changed, 9 insertions, 11 deletions
diff --git a/sound/oss/dmabuf.c b/sound/oss/dmabuf.c index bcc3e8e0712..e3f29132d3a 100644 --- a/sound/oss/dmabuf.c +++ b/sound/oss/dmabuf.c @@ -28,6 +28,7 @@ #include <linux/mm.h> #include <linux/gfp.h> #include "sound_config.h" +#include "sleep.h" #define DMAP_FREE_ON_CLOSE 0 #define DMAP_KEEP_ON_CLOSE 1 @@ -114,7 +115,7 @@ static int sound_alloc_dmap(struct dma_buffparms *dmap) } } dmap->raw_buf = start_addr; - dmap->raw_buf_phys = virt_to_bus(start_addr); + dmap->raw_buf_phys = dma_map_single(NULL, start_addr, dmap->buffsize, DMA_BIDIRECTIONAL); for (page = virt_to_page(start_addr); page <= virt_to_page(end_addr); page++) SetPageReserved(page); @@ -139,6 +140,7 @@ static void sound_free_dmap(struct dma_buffparms *dmap) for (page = virt_to_page(start_addr); page <= virt_to_page(end_addr); page++) ClearPageReserved(page); + dma_unmap_single(NULL, dmap->raw_buf_phys, dmap->buffsize, DMA_BIDIRECTIONAL); free_pages((unsigned long) dmap->raw_buf, sz); dmap->raw_buf = NULL; } @@ -350,8 +352,7 @@ static void dma_reset_output(int dev) if (!signal_pending(current) && adev->dmap_out->qlen && adev->dmap_out->underrun_count == 0){ spin_unlock_irqrestore(&dmap->lock,flags); - interruptible_sleep_on_timeout(&adev->out_sleeper, - dmabuf_timeout(dmap)); + oss_broken_sleep_on(&adev->out_sleeper, dmabuf_timeout(dmap)); spin_lock_irqsave(&dmap->lock,flags); } adev->dmap_out->flags &= ~(DMA_SYNCING | DMA_ACTIVE); @@ -445,7 +446,7 @@ int DMAbuf_sync(int dev) long t = dmabuf_timeout(dmap); spin_unlock_irqrestore(&dmap->lock,flags); /* FIXME: not safe may miss events */ - t = interruptible_sleep_on_timeout(&adev->out_sleeper, t); + t = oss_broken_sleep_on(&adev->out_sleeper, t); spin_lock_irqsave(&dmap->lock,flags); if (!t) { adev->dmap_out->flags &= ~DMA_SYNCING; @@ -465,7 +466,7 @@ int DMAbuf_sync(int dev) while (!signal_pending(current) && adev->d->local_qlen(dev)){ spin_unlock_irqrestore(&dmap->lock,flags); - interruptible_sleep_on_timeout(&adev->out_sleeper, + oss_broken_sleep_on(&adev->out_sleeper, dmabuf_timeout(dmap)); spin_lock_irqsave(&dmap->lock,flags); } @@ -556,7 +557,6 @@ int DMAbuf_getrdbuffer(int dev, char **buf, int *len, int dontblock) unsigned long flags; int err = 0, n = 0; struct dma_buffparms *dmap = adev->dmap_in; - int go; if (!(adev->open_mode & OPEN_READ)) return -EIO; @@ -583,12 +583,11 @@ int DMAbuf_getrdbuffer(int dev, char **buf, int *len, int dontblock) spin_unlock_irqrestore(&dmap->lock,flags); return -EAGAIN; } - if ((go = adev->go)) + if (adev->go) timeout = dmabuf_timeout(dmap); spin_unlock_irqrestore(&dmap->lock,flags); - timeout = interruptible_sleep_on_timeout(&adev->in_sleeper, - timeout); + timeout = oss_broken_sleep_on(&adev->in_sleeper, timeout); if (!timeout) { /* FIXME: include device name */ err = -EIO; @@ -768,8 +767,7 @@ static int output_sleep(int dev, int dontblock) timeout_value = dmabuf_timeout(dmap); else timeout_value = MAX_SCHEDULE_TIMEOUT; - timeout_value = interruptible_sleep_on_timeout(&adev->out_sleeper, - timeout_value); + timeout_value = oss_broken_sleep_on(&adev->out_sleeper, timeout_value); if (timeout != MAX_SCHEDULE_TIMEOUT && !timeout_value) { printk(KERN_WARNING "Sound: DMA (output) timed out - IRQ/DRQ config error?\n"); dma_reset_output(dev); |