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@@ -18,8 +18,6 @@ Signed-off-by: Vinod Koul <[email protected]>
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4 files changed, 222 insertions(+), 401 deletions(-)
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delete mode 100644 arch/mips/jz4740/dma.c
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-diff --git a/arch/mips/include/asm/mach-jz4740/dma.h b/arch/mips/include/asm/mach-jz4740/dma.h
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-index 98b4e7c..509cd58 100644
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--- a/arch/mips/include/asm/mach-jz4740/dma.h
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+++ b/arch/mips/include/asm/mach-jz4740/dma.h
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@@ -16,8 +16,6 @@
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@@ -90,8 +88,6 @@ index 98b4e7c..509cd58 100644
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- jz4740_dma_complete_callback_t cb);
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-
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#endif /* __ASM_JZ4740_DMA_H__ */
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-diff --git a/arch/mips/jz4740/Makefile b/arch/mips/jz4740/Makefile
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-index 63bad0e..28e5535 100644
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--- a/arch/mips/jz4740/Makefile
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+++ b/arch/mips/jz4740/Makefile
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@@ -4,7 +4,7 @@
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@@ -103,9 +99,6 @@ index 63bad0e..28e5535 100644
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gpio.o clock.o platform.o timer.o serial.o
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obj-$(CONFIG_DEBUG_FS) += clock-debugfs.o
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-diff --git a/arch/mips/jz4740/dma.c b/arch/mips/jz4740/dma.c
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-deleted file mode 100644
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-index fb5266c..0000000
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--- a/arch/mips/jz4740/dma.c
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+++ /dev/null
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@@ -1,307 +0,0 @@
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@@ -416,8 +409,6 @@ index fb5266c..0000000
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- return ret;
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-}
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-arch_initcall(jz4740_dma_init);
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-diff --git a/drivers/dma/dma-jz4740.c b/drivers/dma/dma-jz4740.c
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-index 3d42434..b0c0c82 100644
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--- a/drivers/dma/dma-jz4740.c
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+++ b/drivers/dma/dma-jz4740.c
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@@ -22,6 +22,8 @@
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@@ -538,7 +529,7 @@ index 3d42434..b0c0c82 100644
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static struct jz4740_dmaengine_chan *to_jz4740_dma_chan(struct dma_chan *c)
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{
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return container_of(c, struct jz4740_dmaengine_chan, vchan.chan);
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-@@ -70,6 +152,29 @@ static struct jz4740_dma_desc *to_jz4740_dma_desc(struct virt_dma_desc *vdesc)
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+@@ -70,6 +152,29 @@ static struct jz4740_dma_desc *to_jz4740
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return container_of(vdesc, struct jz4740_dma_desc, vdesc);
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}
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@@ -568,7 +559,7 @@ index 3d42434..b0c0c82 100644
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static struct jz4740_dma_desc *jz4740_dma_alloc_desc(unsigned int num_sgs)
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{
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return kzalloc(sizeof(struct jz4740_dma_desc) +
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-@@ -108,30 +213,60 @@ static int jz4740_dma_slave_config(struct dma_chan *c,
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+@@ -108,30 +213,60 @@ static int jz4740_dma_slave_config(struc
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const struct dma_slave_config *config)
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{
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struct jz4740_dmaengine_chan *chan = to_jz4740_dma_chan(c);
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@@ -601,7 +592,11 @@ index 3d42434..b0c0c82 100644
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+ src_width = jz4740_dma_width(config->src_addr_width);
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+ dst_width = jz4740_dma_width(config->dst_addr_width);
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-+
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+
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+- jzcfg.src_width = jz4740_dma_width(config->src_addr_width);
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+- jzcfg.dst_width = jz4740_dma_width(config->dst_addr_width);
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+- jzcfg.mode = JZ4740_DMA_MODE_SINGLE;
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+- jzcfg.request_type = config->slave_id;
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+ switch (transfer_size) {
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+ case JZ4740_DMA_TRANSFER_SIZE_2BYTE:
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+ chan->transfer_shift = 1;
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@@ -620,18 +615,14 @@ index 3d42434..b0c0c82 100644
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+ break;
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+ }
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-- jzcfg.src_width = jz4740_dma_width(config->src_addr_width);
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-- jzcfg.dst_width = jz4740_dma_width(config->dst_addr_width);
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-- jzcfg.mode = JZ4740_DMA_MODE_SINGLE;
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-- jzcfg.request_type = config->slave_id;
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+- jz4740_dma_configure(chan->jz_chan, &jzcfg);
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+ cmd = flags << JZ_DMA_CMD_FLAGS_OFFSET;
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+ cmd |= src_width << JZ_DMA_CMD_SRC_WIDTH_OFFSET;
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+ cmd |= dst_width << JZ_DMA_CMD_DST_WIDTH_OFFSET;
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+ cmd |= transfer_size << JZ_DMA_CMD_TRANSFER_SIZE_OFFSET;
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+ cmd |= JZ4740_DMA_MODE_SINGLE << JZ_DMA_CMD_MODE_OFFSET;
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+ cmd |= JZ_DMA_CMD_TRANSFER_IRQ_ENABLE;
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-
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-- jz4740_dma_configure(chan->jz_chan, &jzcfg);
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++
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+ jz4740_dma_write(dmadev, JZ_REG_DMA_CMD(chan->id), cmd);
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+ jz4740_dma_write(dmadev, JZ_REG_DMA_STATUS_CTRL(chan->id), 0);
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+ jz4740_dma_write(dmadev, JZ_REG_DMA_REQ_TYPE(chan->id),
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@@ -639,7 +630,7 @@ index 3d42434..b0c0c82 100644
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return 0;
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}
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-@@ -139,11 +274,13 @@ static int jz4740_dma_slave_config(struct dma_chan *c,
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+@@ -139,11 +274,13 @@ static int jz4740_dma_slave_config(struc
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static int jz4740_dma_terminate_all(struct dma_chan *c)
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{
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struct jz4740_dmaengine_chan *chan = to_jz4740_dma_chan(c);
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@@ -654,7 +645,7 @@ index 3d42434..b0c0c82 100644
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chan->desc = NULL;
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vchan_get_all_descriptors(&chan->vchan, &head);
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spin_unlock_irqrestore(&chan->vchan.lock, flags);
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-@@ -170,11 +307,13 @@ static int jz4740_dma_control(struct dma_chan *chan, enum dma_ctrl_cmd cmd,
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+@@ -170,11 +307,13 @@ static int jz4740_dma_control(struct dma
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static int jz4740_dma_start_transfer(struct jz4740_dmaengine_chan *chan)
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{
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@@ -669,7 +660,7 @@ index 3d42434..b0c0c82 100644
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if (!chan->desc) {
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vdesc = vchan_next_desc(&chan->vchan);
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-@@ -196,22 +335,27 @@ static int jz4740_dma_start_transfer(struct jz4740_dmaengine_chan *chan)
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+@@ -196,22 +335,27 @@ static int jz4740_dma_start_transfer(str
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src_addr = chan->fifo_addr;
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dst_addr = sg->addr;
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}
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@@ -705,7 +696,7 @@ index 3d42434..b0c0c82 100644
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spin_lock(&chan->vchan.lock);
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if (chan->desc) {
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if (chan->desc && chan->desc->cyclic) {
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-@@ -227,6 +371,28 @@ static void jz4740_dma_complete_cb(struct jz4740_dma_chan *jz_chan, int error,
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+@@ -227,6 +371,28 @@ static void jz4740_dma_complete_cb(struc
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spin_unlock(&chan->vchan.lock);
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}
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@@ -734,7 +725,7 @@ index 3d42434..b0c0c82 100644
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static void jz4740_dma_issue_pending(struct dma_chan *c)
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{
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struct jz4740_dmaengine_chan *chan = to_jz4740_dma_chan(c);
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-@@ -298,7 +464,8 @@ static struct dma_async_tx_descriptor *jz4740_dma_prep_dma_cyclic(
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+@@ -298,7 +464,8 @@ static struct dma_async_tx_descriptor *j
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static size_t jz4740_dma_desc_residue(struct jz4740_dmaengine_chan *chan,
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struct jz4740_dma_desc *desc, unsigned int next_sg)
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{
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@@ -744,7 +735,7 @@ index 3d42434..b0c0c82 100644
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unsigned int i;
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residue = 0;
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-@@ -306,8 +473,11 @@ static size_t jz4740_dma_desc_residue(struct jz4740_dmaengine_chan *chan,
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+@@ -306,8 +473,11 @@ static size_t jz4740_dma_desc_residue(st
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for (i = next_sg; i < desc->num_sgs; i++)
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residue += desc->sg[i].len;
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@@ -758,7 +749,7 @@ index 3d42434..b0c0c82 100644
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return residue;
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}
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-@@ -342,24 +512,12 @@ static enum dma_status jz4740_dma_tx_status(struct dma_chan *c,
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+@@ -342,24 +512,12 @@ static enum dma_status jz4740_dma_tx_sta
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static int jz4740_dma_alloc_chan_resources(struct dma_chan *c)
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{
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@@ -784,7 +775,7 @@ index 3d42434..b0c0c82 100644
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}
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static void jz4740_dma_desc_free(struct virt_dma_desc *vdesc)
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-@@ -373,7 +531,9 @@ static int jz4740_dma_probe(struct platform_device *pdev)
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+@@ -373,7 +531,9 @@ static int jz4740_dma_probe(struct platf
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struct jz4740_dma_dev *dmadev;
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struct dma_device *dd;
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unsigned int i;
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@@ -794,7 +785,7 @@ index 3d42434..b0c0c82 100644
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dmadev = devm_kzalloc(&pdev->dev, sizeof(*dmadev), GFP_KERNEL);
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if (!dmadev)
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-@@ -381,6 +541,17 @@ static int jz4740_dma_probe(struct platform_device *pdev)
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+@@ -381,6 +541,17 @@ static int jz4740_dma_probe(struct platf
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dd = &dmadev->ddev;
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@@ -812,7 +803,7 @@ index 3d42434..b0c0c82 100644
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dma_cap_set(DMA_SLAVE, dd->cap_mask);
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dma_cap_set(DMA_CYCLIC, dd->cap_mask);
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dd->device_alloc_chan_resources = jz4740_dma_alloc_chan_resources;
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-@@ -396,6 +567,7 @@ static int jz4740_dma_probe(struct platform_device *pdev)
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+@@ -396,6 +567,7 @@ static int jz4740_dma_probe(struct platf
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for (i = 0; i < dd->chancnt; i++) {
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chan = &dmadev->chan[i];
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@@ -820,7 +811,7 @@ index 3d42434..b0c0c82 100644
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chan->vchan.desc_free = jz4740_dma_desc_free;
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vchan_init(&chan->vchan, dd);
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}
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-@@ -404,16 +576,28 @@ static int jz4740_dma_probe(struct platform_device *pdev)
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+@@ -404,16 +576,28 @@ static int jz4740_dma_probe(struct platf
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if (ret)
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return ret;
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@@ -849,6 +840,3 @@ index 3d42434..b0c0c82 100644
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return 0;
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}
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---
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-1.7.10.4
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-
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