gbefb uses managed resources, so it should do the same for DMA allocations.
Signed-off-by: Christoph Hellwig hch@lst.de --- drivers/video/fbdev/gbefb.c | 24 ++++++++---------------- 1 file changed, 8 insertions(+), 16 deletions(-)
diff --git a/drivers/video/fbdev/gbefb.c b/drivers/video/fbdev/gbefb.c index 1a242b1338e9..3fcb33232ba3 100644 --- a/drivers/video/fbdev/gbefb.c +++ b/drivers/video/fbdev/gbefb.c @@ -1162,9 +1162,9 @@ static int gbefb_probe(struct platform_device *p_dev) } gbe_revision = gbe->ctrlstat & 15;
- gbe_tiles.cpu = - dma_alloc_coherent(NULL, GBE_TLB_SIZE * sizeof(uint16_t), - &gbe_tiles.dma, GFP_KERNEL); + gbe_tiles.cpu = dmam_alloc_coherent(&p_dev->dev, + GBE_TLB_SIZE * sizeof(uint16_t), + &gbe_tiles.dma, GFP_KERNEL); if (!gbe_tiles.cpu) { printk(KERN_ERR "gbefb: couldn't allocate tiles table\n"); ret = -ENOMEM; @@ -1178,19 +1178,20 @@ static int gbefb_probe(struct platform_device *p_dev) if (!gbe_mem) { printk(KERN_ERR "gbefb: couldn't map framebuffer\n"); ret = -ENOMEM; - goto out_tiles_free; + goto out_release_mem_region; }
gbe_dma_addr = 0; } else { /* try to allocate memory with the classical allocator * this has high chance to fail on low memory machines */ - gbe_mem = dma_alloc_wc(NULL, gbe_mem_size, &gbe_dma_addr, - GFP_KERNEL); + gbe_mem = dmam_alloc_attrs(&p_dev->dev, gbe_mem_size, + &gbe_dma_addr, GFP_KERNEL, + DMA_ATTR_WRITE_COMBINE); if (!gbe_mem) { printk(KERN_ERR "gbefb: couldn't allocate framebuffer memory\n"); ret = -ENOMEM; - goto out_tiles_free; + goto out_release_mem_region; }
gbe_mem_phys = (unsigned long) gbe_dma_addr; @@ -1237,11 +1238,6 @@ static int gbefb_probe(struct platform_device *p_dev)
out_gbe_unmap: arch_phys_wc_del(par->wc_cookie); - if (gbe_dma_addr) - dma_free_wc(NULL, gbe_mem_size, gbe_mem, gbe_mem_phys); -out_tiles_free: - dma_free_coherent(NULL, GBE_TLB_SIZE * sizeof(uint16_t), - (void *)gbe_tiles.cpu, gbe_tiles.dma); out_release_mem_region: release_mem_region(GBE_BASE, sizeof(struct sgi_gbe)); out_release_framebuffer: @@ -1258,10 +1254,6 @@ static int gbefb_remove(struct platform_device* p_dev) unregister_framebuffer(info); gbe_turn_off(); arch_phys_wc_del(par->wc_cookie); - if (gbe_dma_addr) - dma_free_wc(NULL, gbe_mem_size, gbe_mem, gbe_mem_phys); - dma_free_coherent(NULL, GBE_TLB_SIZE * sizeof(uint16_t), - (void *)gbe_tiles.cpu, gbe_tiles.dma); release_mem_region(GBE_BASE, sizeof(struct sgi_gbe)); gbefb_remove_sysfs(&p_dev->dev); framebuffer_release(info);