The recent change (commit 
08422d2c559d: "ALSA: memalloc: Allow NULL
device for SNDRV_DMA_TYPE_CONTINOUS type") made the PCM preallocation
helper accepting NULL as the device pointer for the default usage.
Drop the snd_dma_continuous_data() usage that became superfluous from
the callers.
Acked-by: Mark Brown <broonie@kernel.org>
Link: https://lore.kernel.org/r/20191108094641.20086-2-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
        struct snd_pcm *pcm = rtd->pcm;
 
        snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_CONTINUOUS,
-               snd_dma_continuous_data(GFP_KERNEL), 65536, (4096 * 1024) - 1);
+                                             NULL, 65536, (4096 * 1024) - 1);
 
        return 0;
 }
 
 
        snd_pcm_lib_preallocate_pages_for_all(rtd->pcm,
                        SNDRV_DMA_TYPE_CONTINUOUS,
-                       snd_dma_continuous_data(GFP_KERNEL), size, size);
+                       NULL, size, size);
        return 0;
 }
 
 
         */
        snd_pcm_lib_preallocate_pages_for_all(pcm,
                SNDRV_DMA_TYPE_CONTINUOUS,
-               snd_dma_continuous_data(GFP_KERNEL),
+               NULL,
                DMABRG_PREALLOC_BUFFER, DMABRG_PREALLOC_BUFFER_MAX);
 
        return 0;