diff options
| author | Linus Torvalds <torvalds@g5.osdl.org> | 2006-03-22 10:59:20 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-03-22 10:59:20 -0800 |
| commit | 1c2e02750b992703a8a18634e08b04353face243 (patch) | |
| tree | 5dc2d10bad329eeb73b9e219e237662a8383f971 /sound/pci/emu10k1/memory.c | |
| parent | 8b4b6707ee32f929846d947d18b1b9bf42e988aa (diff) | |
| parent | a3c44854a59f7e983c867060aa906bbf5befb1ef (diff) | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/perex/alsa
* git://git.kernel.org/pub/scm/linux/kernel/git/perex/alsa: (124 commits)
[ALSA] version 1.0.11rc4
[PATCH] Intruduce DMA_28BIT_MASK
[ALSA] hda-codec - Add support for ASUS P4GPL-X
[ALSA] hda-codec - Add support for HP nx9420 laptop
[ALSA] Fix memory leaks in error path of control.c
[ALSA] AMD Au1x00: AC'97 controller is memory mapped
[ALSA] AMD Au1x00: fix DMA init/cleanup
[ALSA] hda-codec - Fix generic auto-configurator
[ALSA] hda-codec - Fix BIOS auto-configuration
[ALSA] Fixes typos in Audiophile-USB.txt
[ALSA] ice1712 - typo fixes for dxr_enable module option
[ALSA] AMD Au1x00: make driver build after cleanup
[ALSA] ice1712 - Fix wrong value types for enum items
[ALSA] fix resource leak in usbmixer
[ALSA] Fix gus_pcm dereference before NULL
[ALSA] Fix seq_clientmgr dereferences before NULL check
[ALSA] hda-codec - Fix for Samsung R65 and ASUS A6J
[ALSA] hda-codec - Add support for VAIO FE550G and SZ110
[ALSA] usb-audio: add Maya44 mixer control names
[ALSA] usb-audio: add Casio PL-40R support
...
Diffstat (limited to 'sound/pci/emu10k1/memory.c')
| -rw-r--r-- | sound/pci/emu10k1/memory.c | 26 |
1 files changed, 14 insertions, 12 deletions
diff --git a/sound/pci/emu10k1/memory.c b/sound/pci/emu10k1/memory.c index 68c795c03109..e7ec98649f04 100644 --- a/sound/pci/emu10k1/memory.c +++ b/sound/pci/emu10k1/memory.c @@ -24,6 +24,8 @@ #include <sound/driver.h> #include <linux/pci.h> #include <linux/time.h> +#include <linux/mutex.h> + #include <sound/core.h> #include <sound/emu10k1.h> @@ -302,10 +304,10 @@ snd_emu10k1_alloc_pages(struct snd_emu10k1 *emu, struct snd_pcm_substream *subst hdr = emu->memhdr; snd_assert(hdr, return NULL); - down(&hdr->block_mutex); + mutex_lock(&hdr->block_mutex); blk = search_empty(emu, runtime->dma_bytes); if (blk == NULL) { - up(&hdr->block_mutex); + mutex_unlock(&hdr->block_mutex); return NULL; } /* fill buffer addresses but pointers are not stored so that @@ -318,14 +320,14 @@ snd_emu10k1_alloc_pages(struct snd_emu10k1 *emu, struct snd_pcm_substream *subst if (idx >= sgbuf->pages) { printk(KERN_ERR "emu: pages overflow! (%d-%d) for %d\n", blk->first_page, blk->last_page, sgbuf->pages); - up(&hdr->block_mutex); + mutex_unlock(&hdr->block_mutex); return NULL; } #endif addr = sgbuf->table[idx].addr; if (! is_valid_page(emu, addr)) { printk(KERN_ERR "emu: failure page = %d\n", idx); - up(&hdr->block_mutex); + mutex_unlock(&hdr->block_mutex); return NULL; } emu->page_addr_table[page] = addr; @@ -337,10 +339,10 @@ snd_emu10k1_alloc_pages(struct snd_emu10k1 *emu, struct snd_pcm_substream *subst err = snd_emu10k1_memblk_map(emu, blk); if (err < 0) { __snd_util_mem_free(hdr, (struct snd_util_memblk *)blk); - up(&hdr->block_mutex); + mutex_unlock(&hdr->block_mutex); return NULL; } - up(&hdr->block_mutex); + mutex_unlock(&hdr->block_mutex); return (struct snd_util_memblk *)blk; } @@ -369,19 +371,19 @@ snd_emu10k1_synth_alloc(struct snd_emu10k1 *hw, unsigned int size) struct snd_emu10k1_memblk *blk; struct snd_util_memhdr *hdr = hw->memhdr; - down(&hdr->block_mutex); + mutex_lock(&hdr->block_mutex); blk = (struct snd_emu10k1_memblk *)__snd_util_mem_alloc(hdr, size); if (blk == NULL) { - up(&hdr->block_mutex); + mutex_unlock(&hdr->block_mutex); return NULL; } if (synth_alloc_pages(hw, blk)) { __snd_util_mem_free(hdr, (struct snd_util_memblk *)blk); - up(&hdr->block_mutex); + mutex_unlock(&hdr->block_mutex); return NULL; } snd_emu10k1_memblk_map(hw, blk); - up(&hdr->block_mutex); + mutex_unlock(&hdr->block_mutex); return (struct snd_util_memblk *)blk; } @@ -396,14 +398,14 @@ snd_emu10k1_synth_free(struct snd_emu10k1 *emu, struct snd_util_memblk *memblk) struct snd_emu10k1_memblk *blk = (struct snd_emu10k1_memblk *)memblk; unsigned long flags; - down(&hdr->block_mutex); + mutex_lock(&hdr->block_mutex); spin_lock_irqsave(&emu->memblk_lock, flags); if (blk->mapped_page >= 0) unmap_memblk(emu, blk); spin_unlock_irqrestore(&emu->memblk_lock, flags); synth_free_pages(emu, blk); __snd_util_mem_free(hdr, memblk); - up(&hdr->block_mutex); + mutex_unlock(&hdr->block_mutex); return 0; } |
