Merge branch 'topic/core-cleanup' into for-linus
[safe/jmp/linux-2.6] / sound / core / pcm_native.c
index cadba30..b9517f3 100644 (file)
@@ -36,6 +36,9 @@
 #include <sound/timer.h>
 #include <sound/minors.h>
 #include <asm/io.h>
+#if defined(CONFIG_MIPS) && defined(CONFIG_DMA_NONCOHERENT)
+#include <dma-coherence.h>
+#endif
 
 /*
  *  Compatibility
@@ -2107,7 +2110,9 @@ static int snd_pcm_open_file(struct file *file,
 static int snd_pcm_playback_open(struct inode *inode, struct file *file)
 {
        struct snd_pcm *pcm;
-
+       int err = nonseekable_open(inode, file);
+       if (err < 0)
+               return err;
        pcm = snd_lookup_minor_data(iminor(inode),
                                    SNDRV_DEVICE_TYPE_PCM_PLAYBACK);
        return snd_pcm_open(file, pcm, SNDRV_PCM_STREAM_PLAYBACK);
@@ -2116,7 +2121,9 @@ static int snd_pcm_playback_open(struct inode *inode, struct file *file)
 static int snd_pcm_capture_open(struct inode *inode, struct file *file)
 {
        struct snd_pcm *pcm;
-
+       int err = nonseekable_open(inode, file);
+       if (err < 0)
+               return err;
        pcm = snd_lookup_minor_data(iminor(inode),
                                    SNDRV_DEVICE_TYPE_PCM_CAPTURE);
        return snd_pcm_open(file, pcm, SNDRV_PCM_STREAM_CAPTURE);
@@ -3184,6 +3191,10 @@ static int snd_pcm_default_mmap(struct snd_pcm_substream *substream,
                                         substream->runtime->dma_area,
                                         substream->runtime->dma_addr,
                                         area->vm_end - area->vm_start);
+#elif defined(CONFIG_MIPS) && defined(CONFIG_DMA_NONCOHERENT)
+       if (substream->dma_buffer.dev.type == SNDRV_DMA_TYPE_DEV &&
+           !plat_device_is_coherent(substream->dma_buffer.dev.dev))
+               area->vm_page_prot = pgprot_noncached(area->vm_page_prot);
 #endif /* ARCH_HAS_DMA_MMAP_COHERENT */
        /* mmap with fault handler */
        area->vm_ops = &snd_pcm_vm_ops_data_fault;
@@ -3450,6 +3461,7 @@ const struct file_operations snd_pcm_f_ops[2] = {
                .aio_write =            snd_pcm_aio_write,
                .open =                 snd_pcm_playback_open,
                .release =              snd_pcm_release,
+               .llseek =               no_llseek,
                .poll =                 snd_pcm_playback_poll,
                .unlocked_ioctl =       snd_pcm_playback_ioctl,
                .compat_ioctl =         snd_pcm_ioctl_compat,
@@ -3463,6 +3475,7 @@ const struct file_operations snd_pcm_f_ops[2] = {
                .aio_read =             snd_pcm_aio_read,
                .open =                 snd_pcm_capture_open,
                .release =              snd_pcm_release,
+               .llseek =               no_llseek,
                .poll =                 snd_pcm_capture_poll,
                .unlocked_ioctl =       snd_pcm_capture_ioctl,
                .compat_ioctl =         snd_pcm_ioctl_compat,