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authorLinus Torvalds <torvalds@linux-foundation.org>2025-06-05 18:49:30 +0300
committerLinus Torvalds <torvalds@linux-foundation.org>2025-06-05 18:49:30 +0300
commitbfdf35c5dc6267f70f76abddfacface4dd3b9ac0 (patch)
tree475482fdc7bb8ede32a216d6c0a34310436f9baa /drivers/dma/amd
parentd12ed2b7e1fe5c9e4a372a95fb7635a7f81eff6a (diff)
parent3c018bf5a0ee3abe8d579d6a0dda616c3858d7b2 (diff)
downloadlinux-bfdf35c5dc6267f70f76abddfacface4dd3b9ac0.tar.xz
Merge tag 'dmaengine-6.16-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/dmaengine
Pull dmaengine updates from Vinod Koul: "A fairly small update for the dmaengine subsystem. This has a new ARM dmaengine driver and couple of new device support and few driver changes: New support: - Renesas RZ/V2H(P) dma support for r9a09g057 - Arm DMA-350 driver - Tegra Tegra264 ADMA support Updates: - AMD ptdma driver code removal and optimizations - Freescale edma error interrupt handler support" * tag 'dmaengine-6.16-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/dmaengine: (27 commits) dmaengine: idxd: Remove unused pointer and macro arm64: dts: renesas: r9a09g057: Add DMAC nodes dmaengine: sh: rz-dmac: Add RZ/V2H(P) support dmaengine: sh: rz-dmac: Allow for multiple DMACs irqchip/renesas-rzv2h: Add rzv2h_icu_register_dma_req() dt-bindings: dma: rz-dmac: Document RZ/V2H(P) family of SoCs dt-bindings: dma: rz-dmac: Restrict properties for RZ/A1H dmaengine: idxd: Narrow the restriction on BATCH to ver. 1 only dmaengine: ti: Add NULL check in udma_probe() fsldma: Set correct dma_mask based on hw capability dmaengine: idxd: Check availability of workqueue allocated by idxd wq driver before using dmaengine: xilinx_dma: Set dma_device directions dmaengine: tegra210-adma: Add Tegra264 support dt-bindings: Document Tegra264 ADMA support dmaengine: dw-edma: Add HDMA NATIVE map check dmaegnine: fsl-edma: add edma error interrupt handler dt-bindings: dma: fsl-edma: increase maxItems of interrupts and interrupt-names dmaengine: ARM_DMA350 should depend on ARM/ARM64 dt-bindings: dma: qcom,bam: Document dma-coherent property dmaengine: Add Arm DMA-350 driver ...
Diffstat (limited to 'drivers/dma/amd')
-rw-r--r--drivers/dma/amd/ptdma/ptdma-dmaengine.c23
-rw-r--r--drivers/dma/amd/ptdma/ptdma.h1
2 files changed, 4 insertions, 20 deletions
diff --git a/drivers/dma/amd/ptdma/ptdma-dmaengine.c b/drivers/dma/amd/ptdma/ptdma-dmaengine.c
index 81339664036f..628c49ce5de9 100644
--- a/drivers/dma/amd/ptdma/ptdma-dmaengine.c
+++ b/drivers/dma/amd/ptdma/ptdma-dmaengine.c
@@ -566,7 +566,6 @@ int pt_dmaengine_register(struct pt_device *pt)
struct ae4_device *ae4 = NULL;
struct pt_dma_chan *chan;
char *desc_cache_name;
- char *cmd_cache_name;
int ret, i;
if (pt->ver == AE4_DMA_VERSION)
@@ -582,27 +581,17 @@ int pt_dmaengine_register(struct pt_device *pt)
if (!pt->pt_dma_chan)
return -ENOMEM;
- cmd_cache_name = devm_kasprintf(pt->dev, GFP_KERNEL,
- "%s-dmaengine-cmd-cache",
- dev_name(pt->dev));
- if (!cmd_cache_name)
- return -ENOMEM;
-
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;
@@ -656,9 +645,6 @@ 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);
@@ -670,5 +656,4 @@ 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);
}
diff --git a/drivers/dma/amd/ptdma/ptdma.h b/drivers/dma/amd/ptdma/ptdma.h
index 0a7939105e51..ef3f55632107 100644
--- a/drivers/dma/amd/ptdma/ptdma.h
+++ b/drivers/dma/amd/ptdma/ptdma.h
@@ -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;