dmaengine: iop-adma: Fix pointer cast warnings (985d5137) · Commits · 戴 / test

drivers/dma/iop-adma.c: In function ‘iop_adma_alloc_chan_resources’: drivers/dma/iop-adma.c:447:13: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast] hw_desc = (char *) iop_chan->device->dma_desc_pool; ^ drivers/dma/iop-adma.c:449:4: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast] (dma_addr_t) &hw_desc[idx * IOP_ADMA_SLOT_SIZE]; ^ drivers/dma/iop-adma.c: In function ‘iop_adma_probe’: drivers/dma/iop-adma.c:1301:3: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast] (void *) adev->dma_desc_pool); Use dma_addr_t for dma_desc_pool, and %pad to print dma_addr_t. Signed-off-by:

YueHaibing <yuehaibing@huawei.com> Link: https://lore.kernel.org/r/20200818115101.55700-1-yuehaibing@huawei.com Signed-off-by:

Vinod Koul <vkoul@kernel.org>

drivers/dma/iop-adma.c

+5 −6

Original line number	Diff line number	Diff line
		@@ -416,6 +416,7 @@ static void iop_chan_start_null_xor(struct iop_adma_chan *iop_chan);
		static int iop_adma_alloc_chan_resources(struct dma_chan *chan)
		{
		char *hw_desc;
		dma_addr_t dma_desc;
		int idx;
		struct iop_adma_chan *iop_chan = to_iop_adma_chan(chan);
		struct iop_adma_desc_slot *slot = NULL;
		@@ -444,9 +445,8 @@ static int iop_adma_alloc_chan_resources(struct dma_chan *chan)
		INIT_LIST_HEAD(&slot->tx_list);
		INIT_LIST_HEAD(&slot->chain_node);
		INIT_LIST_HEAD(&slot->slot_node);
		hw_desc = (char *) iop_chan->device->dma_desc_pool;
		slot->async_tx.phys =
		(dma_addr_t) &hw_desc[idx * IOP_ADMA_SLOT_SIZE];
		dma_desc = iop_chan->device->dma_desc_pool;
		slot->async_tx.phys = dma_desc + idx * IOP_ADMA_SLOT_SIZE;
		slot->idx = idx;

		spin_lock_bh(&iop_chan->lock);
		@@ -1296,9 +1296,8 @@ static int iop_adma_probe(struct platform_device *pdev)
		goto err_free_adev;
		}

		dev_dbg(&pdev->dev, "%s: allocated descriptor pool virt %p phys %p\n",
		__func__, adev->dma_desc_pool_virt,
		(void *) adev->dma_desc_pool);
		dev_dbg(&pdev->dev, "%s: allocated descriptor pool virt %p phys %pad\n",
		__func__, adev->dma_desc_pool_virt, &adev->dma_desc_pool);

		adev->id = plat_data->hw_id;

Admin message