The recent change (*) in the ALSA memalloc core allows us to drop the special vmalloc-specific allocation and page handling. This patch coverts to the common code. (*) df3fd6509421: ALSA: memalloc: Add vmalloc buffer allocation support 6ef6be988f98: ALSA: pcm: Handle special page mapping in the default mmap handler
Signed-off-by: Takashi Iwai tiwai@suse.de --- sound/usb/hiface/pcm.c | 9 +++++---- 1 file changed, 5 insertions(+), 4 deletions(-)
diff --git a/sound/usb/hiface/pcm.c b/sound/usb/hiface/pcm.c index c406497c5919..e0de71917274 100644 --- a/sound/usb/hiface/pcm.c +++ b/sound/usb/hiface/pcm.c @@ -418,13 +418,13 @@ static int hiface_pcm_close(struct snd_pcm_substream *alsa_sub) static int hiface_pcm_hw_params(struct snd_pcm_substream *alsa_sub, struct snd_pcm_hw_params *hw_params) { - return snd_pcm_lib_alloc_vmalloc_buffer(alsa_sub, - params_buffer_bytes(hw_params)); + return snd_pcm_lib_malloc_pages(alsa_sub, + params_buffer_bytes(hw_params)); }
static int hiface_pcm_hw_free(struct snd_pcm_substream *alsa_sub) { - return snd_pcm_lib_free_vmalloc_buffer(alsa_sub); + return snd_pcm_lib_free_pages(alsa_sub); }
static int hiface_pcm_prepare(struct snd_pcm_substream *alsa_sub) @@ -518,7 +518,6 @@ static const struct snd_pcm_ops pcm_ops = { .prepare = hiface_pcm_prepare, .trigger = hiface_pcm_trigger, .pointer = hiface_pcm_pointer, - .page = snd_pcm_lib_get_vmalloc_page, };
static int hiface_pcm_init_urb(struct pcm_urb *urb, @@ -614,6 +613,8 @@ int hiface_pcm_init(struct hiface_chip *chip, u8 extra_freq)
strlcpy(pcm->name, "USB-SPDIF Audio", sizeof(pcm->name)); snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &pcm_ops); + snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_VMALLOC, + NULL, 0, 0);
rt->instance = pcm;