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dmaengine: ptdma: Remove unused pointer dma_cmd_cache

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The pointer 'struct kmem_cache *dma_cmd_cache' was introduced in commit
'b0b4a6b10577 ("dmaengine: ptdma: register PTDMA controller as a DMA
resource")' but it was never used.

Signed-off-by: Eder Zulian <ezulian@redhat.com>
Reviewed-by: Nathan Lynch <nathan.lynch@amd.com>
Link: https://lore.kernel.org/r/20250415121312.870124-1-ezulian@redhat.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
This commit is contained in:
Eder Zulian
2025-04-15 14:13:12 +02:00
committed by Vinod Koul
parent 82922fca2f
commit f087965ab4
2 changed files with 4 additions and 13 deletions
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16
drivers/dma/amd/ptdma/ptdma-dmaengine.c
View File

@@ -590,18 +590,14 @@ int pt_dmaengine_register(struct pt_device *pt)
desc_cache_name = devm_kasprintf(pt->dev, GFP_KERNEL,
"%s-dmaengine-desc-cache",
dev_name(pt->dev));
if (!desc_cache_name) {
ret = -ENOMEM;
goto err_cache;
}
if (!desc_cache_name)
return -ENOMEM;
pt->dma_desc_cache = kmem_cache_create(desc_cache_name,
sizeof(struct pt_dma_desc), 0,
SLAB_HWCACHE_ALIGN, NULL);
if (!pt->dma_desc_cache) {
ret = -ENOMEM;
goto err_cache;
}
if (!pt->dma_desc_cache)
return -ENOMEM;
dma_dev->dev = pt->dev;
dma_dev->src_addr_widths = DMA_SLAVE_BUSWIDTH_64_BYTES;
@@ -655,9 +651,6 @@ int pt_dmaengine_register(struct pt_device *pt)
err_reg:
kmem_cache_destroy(pt->dma_desc_cache);
err_cache:
kmem_cache_destroy(pt->dma_cmd_cache);
return ret;
}
EXPORT_SYMBOL_GPL(pt_dmaengine_register);
@@ -669,5 +662,4 @@ void pt_dmaengine_unregister(struct pt_device *pt)
dma_async_device_unregister(dma_dev);
kmem_cache_destroy(pt->dma_desc_cache);
kmem_cache_destroy(pt->dma_cmd_cache);
}

1
drivers/dma/amd/ptdma/ptdma.h
View File

@@ -254,7 +254,6 @@ struct pt_device {
/* Support for the DMA Engine capabilities */
struct dma_device dma_dev;
struct pt_dma_chan *pt_dma_chan;
struct kmem_cache *dma_cmd_cache;
struct kmem_cache *dma_desc_cache;
wait_queue_head_t lsb_queue;