From 759ee81be6d87c150ea2b300c221b4fec8b5f646 Mon Sep 17 00:00:00 2001 From: "David S. Miller" Date: Wed, 27 Aug 2008 00:33:26 -0700 Subject: [PATCH] alsa: Remove special SBUS dma support code. No longer used. Signed-off-by: David S. Miller --- .../alsa/DocBook/writing-an-alsa-driver.tmpl | 3 +- include/sound/core.h | 3 -- include/sound/memalloc.h | 2 - sound/core/memalloc.c | 50 +------------------ 4 files changed, 2 insertions(+), 56 deletions(-) diff --git a/Documentation/sound/alsa/DocBook/writing-an-alsa-driver.tmpl b/Documentation/sound/alsa/DocBook/writing-an-alsa-driver.tmpl index e13c4e67029..56723b42813 100644 --- a/Documentation/sound/alsa/DocBook/writing-an-alsa-driver.tmpl +++ b/Documentation/sound/alsa/DocBook/writing-an-alsa-driver.tmpl @@ -5073,8 +5073,7 @@ struct _snd_pcm_runtime { with SNDRV_DMA_TYPE_CONTINUOUS type and the snd_dma_continuous_data(GFP_KERNEL) device pointer, where GFP_KERNEL is the kernel allocation flag to - use. For the SBUS, SNDRV_DMA_TYPE_SBUS and - snd_dma_sbus_data(sbus_dev) are used instead. + use. For the PCI scatter-gather buffers, use SNDRV_DMA_TYPE_DEV_SG with snd_dma_pci_data(pci) diff --git a/include/sound/core.h b/include/sound/core.h index 558b96284bd..821d5a59d28 100644 --- a/include/sound/core.h +++ b/include/sound/core.h @@ -42,9 +42,6 @@ #ifdef CONFIG_PCI struct pci_dev; #endif -#ifdef CONFIG_SBUS -struct sbus_dev; -#endif /* device allocation stuff */ diff --git a/include/sound/memalloc.h b/include/sound/memalloc.h index ae2921d9ddc..6a3e7558a7e 100644 --- a/include/sound/memalloc.h +++ b/include/sound/memalloc.h @@ -37,7 +37,6 @@ struct snd_dma_device { #ifndef snd_dma_pci_data #define snd_dma_pci_data(pci) (&(pci)->dev) #define snd_dma_isa_data() NULL -#define snd_dma_sbus_data(sbus) ((struct device *)(sbus)) #define snd_dma_continuous_data(x) ((struct device *)(unsigned long)(x)) #endif @@ -49,7 +48,6 @@ struct snd_dma_device { #define SNDRV_DMA_TYPE_CONTINUOUS 1 /* continuous no-DMA memory */ #define SNDRV_DMA_TYPE_DEV 2 /* generic device continuous */ #define SNDRV_DMA_TYPE_DEV_SG 3 /* generic device SG-buffer */ -#define SNDRV_DMA_TYPE_SBUS 4 /* SBUS continuous */ /* * info for buffer allocation diff --git a/sound/core/memalloc.c b/sound/core/memalloc.c index ccaaac45faf..3733351a27f 100644 --- a/sound/core/memalloc.c +++ b/sound/core/memalloc.c @@ -33,9 +33,6 @@ #include #include #include -#ifdef CONFIG_SBUS -#include -#endif MODULE_AUTHOR("Takashi Iwai , Jaroslav Kysela "); @@ -180,41 +177,6 @@ static void snd_free_dev_pages(struct device *dev, size_t size, void *ptr, } #endif /* CONFIG_HAS_DMA */ -#ifdef CONFIG_SBUS - -static void *snd_malloc_sbus_pages(struct device *dev, size_t size, - dma_addr_t *dma_addr) -{ - struct sbus_dev *sdev = (struct sbus_dev *)dev; - int pg; - void *res; - - snd_assert(size > 0, return NULL); - snd_assert(dma_addr != NULL, return NULL); - pg = get_order(size); - res = dma_alloc_coherent(&sdev->ofdev.dev, PAGE_SIZE * (1 << pg), - dma_addr, GFP_ATOMIC); - if (res != NULL) - inc_snd_pages(pg); - return res; -} - -static void snd_free_sbus_pages(struct device *dev, size_t size, - void *ptr, dma_addr_t dma_addr) -{ - struct sbus_dev *sdev = (struct sbus_dev *)dev; - int pg; - - if (ptr == NULL) - return; - pg = get_order(size); - dec_snd_pages(pg); - dma_free_coherent(&sdev->ofdev.dev, PAGE_SIZE * (1 << pg), - ptr, dma_addr); -} - -#endif /* CONFIG_SBUS */ - /* * * ALSA generic memory management @@ -249,11 +211,6 @@ int snd_dma_alloc_pages(int type, struct device *device, size_t size, dmab->area = snd_malloc_pages(size, (unsigned long)device); dmab->addr = 0; break; -#ifdef CONFIG_SBUS - case SNDRV_DMA_TYPE_SBUS: - dmab->area = snd_malloc_sbus_pages(device, size, &dmab->addr); - break; -#endif #ifdef CONFIG_HAS_DMA case SNDRV_DMA_TYPE_DEV: dmab->area = snd_malloc_dev_pages(device, size, &dmab->addr); @@ -322,11 +279,6 @@ void snd_dma_free_pages(struct snd_dma_buffer *dmab) case SNDRV_DMA_TYPE_CONTINUOUS: snd_free_pages(dmab->area, dmab->bytes); break; -#ifdef CONFIG_SBUS - case SNDRV_DMA_TYPE_SBUS: - snd_free_sbus_pages(dmab->dev.dev, dmab->bytes, dmab->area, dmab->addr); - break; -#endif #ifdef CONFIG_HAS_DMA case SNDRV_DMA_TYPE_DEV: snd_free_dev_pages(dmab->dev.dev, dmab->bytes, dmab->area, dmab->addr); @@ -433,7 +385,7 @@ static int snd_mem_proc_read(struct seq_file *seq, void *offset) long pages = snd_allocated_pages >> (PAGE_SHIFT-12); struct snd_mem_list *mem; int devno; - static char *types[] = { "UNKNOWN", "CONT", "DEV", "DEV-SG", "SBUS" }; + static char *types[] = { "UNKNOWN", "CONT", "DEV", "DEV-SG" }; mutex_lock(&list_mutex); seq_printf(seq, "pages : %li bytes (%li pages per %likB)\n", -- 2.39.5