diff options
| author | Takashi Iwai <tiwai@suse.de> | 2021-06-09 19:25:47 +0300 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2021-06-10 11:15:21 +0300 |
| commit | 74fb98311c4e36632b40b2a16931028c77a7c5de (patch) | |
| tree | 35653fb74dcf450e6d10f3b45b59128485a1fd69 /sound/pci/trident/trident_main.c | |
| parent | 25c794cd440737c5e6d96c78ff9a7660a36e909f (diff) | |
| download | linux-74fb98311c4e36632b40b2a16931028c77a7c5de.tar.xz | |
ALSA: trident: Drop shadow TLB pointer table
The shadow TLB pointer table is allocated and set up, but never really
used any longer by the driver. Let's drop it.
Since this is the only user of snd_pcm_sgbuf_get_ptr(), we can clean
up the API after this change.
Link: https://lore.kernel.org/r/20210609162551.7842-2-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound/pci/trident/trident_main.c')
| -rw-r--r-- | sound/pci/trident/trident_main.c | 11 |
1 files changed, 1 insertions, 10 deletions
diff --git a/sound/pci/trident/trident_main.c b/sound/pci/trident/trident_main.c index 281ea7143b1c..cfbca3bd60ed 100644 --- a/sound/pci/trident/trident_main.c +++ b/sound/pci/trident/trident_main.c @@ -3331,12 +3331,6 @@ static int snd_trident_tlb_alloc(struct snd_trident *trident) } trident->tlb.entries = (__le32 *)ALIGN((unsigned long)trident->tlb.buffer.area, SNDRV_TRIDENT_MAX_PAGES * 4); trident->tlb.entries_dmaaddr = ALIGN(trident->tlb.buffer.addr, SNDRV_TRIDENT_MAX_PAGES * 4); - /* allocate shadow TLB page table (virtual addresses) */ - trident->tlb.shadow_entries = - vmalloc(array_size(SNDRV_TRIDENT_MAX_PAGES, - sizeof(unsigned long))); - if (!trident->tlb.shadow_entries) - return -ENOMEM; /* allocate and setup silent page and initialise TLB entries */ if (snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, &trident->pci->dev, @@ -3345,10 +3339,8 @@ static int snd_trident_tlb_alloc(struct snd_trident *trident) return -ENOMEM; } memset(trident->tlb.silent_page.area, 0, SNDRV_TRIDENT_PAGE_SIZE); - for (i = 0; i < SNDRV_TRIDENT_MAX_PAGES; i++) { + for (i = 0; i < SNDRV_TRIDENT_MAX_PAGES; i++) trident->tlb.entries[i] = cpu_to_le32(trident->tlb.silent_page.addr & ~(SNDRV_TRIDENT_PAGE_SIZE-1)); - trident->tlb.shadow_entries[i] = (unsigned long)trident->tlb.silent_page.area; - } /* use emu memory block manager code to manage tlb page allocation */ trident->tlb.memhdr = snd_util_memhdr_new(SNDRV_TRIDENT_PAGE_SIZE * SNDRV_TRIDENT_MAX_PAGES); @@ -3665,7 +3657,6 @@ static int snd_trident_free(struct snd_trident *trident) snd_util_memhdr_free(trident->tlb.memhdr); if (trident->tlb.silent_page.area) snd_dma_free_pages(&trident->tlb.silent_page); - vfree(trident->tlb.shadow_entries); snd_dma_free_pages(&trident->tlb.buffer); } pci_release_regions(trident->pci); |