diff options
Diffstat (limited to 'target/linux/xburst/patches-3.10/015-MIPS-jz4740-Remove-custom-DMA-API.patch')
| -rw-r--r-- | target/linux/xburst/patches-3.10/015-MIPS-jz4740-Remove-custom-DMA-API.patch | 52 |
1 files changed, 20 insertions, 32 deletions
diff --git a/target/linux/xburst/patches-3.10/015-MIPS-jz4740-Remove-custom-DMA-API.patch b/target/linux/xburst/patches-3.10/015-MIPS-jz4740-Remove-custom-DMA-API.patch index ff25552..0bce0ac 100644 --- a/target/linux/xburst/patches-3.10/015-MIPS-jz4740-Remove-custom-DMA-API.patch +++ b/target/linux/xburst/patches-3.10/015-MIPS-jz4740-Remove-custom-DMA-API.patch @@ -18,8 +18,6 @@ Signed-off-by: Vinod Koul <vinod.koul@intel.com> 4 files changed, 222 insertions(+), 401 deletions(-) delete mode 100644 arch/mips/jz4740/dma.c -diff --git a/arch/mips/include/asm/mach-jz4740/dma.h b/arch/mips/include/asm/mach-jz4740/dma.h -index 98b4e7c..509cd58 100644 --- a/arch/mips/include/asm/mach-jz4740/dma.h +++ b/arch/mips/include/asm/mach-jz4740/dma.h @@ -16,8 +16,6 @@ @@ -90,8 +88,6 @@ index 98b4e7c..509cd58 100644 - jz4740_dma_complete_callback_t cb); - #endif /* __ASM_JZ4740_DMA_H__ */ -diff --git a/arch/mips/jz4740/Makefile b/arch/mips/jz4740/Makefile -index 63bad0e..28e5535 100644 --- a/arch/mips/jz4740/Makefile +++ b/arch/mips/jz4740/Makefile @@ -4,7 +4,7 @@ @@ -103,9 +99,6 @@ index 63bad0e..28e5535 100644 gpio.o clock.o platform.o timer.o serial.o obj-$(CONFIG_DEBUG_FS) += clock-debugfs.o -diff --git a/arch/mips/jz4740/dma.c b/arch/mips/jz4740/dma.c -deleted file mode 100644 -index fb5266c..0000000 --- a/arch/mips/jz4740/dma.c +++ /dev/null @@ -1,307 +0,0 @@ @@ -416,8 +409,6 @@ index fb5266c..0000000 - return ret; -} -arch_initcall(jz4740_dma_init); -diff --git a/drivers/dma/dma-jz4740.c b/drivers/dma/dma-jz4740.c -index 3d42434..b0c0c82 100644 --- a/drivers/dma/dma-jz4740.c +++ b/drivers/dma/dma-jz4740.c @@ -22,6 +22,8 @@ @@ -538,7 +529,7 @@ index 3d42434..b0c0c82 100644 static struct jz4740_dmaengine_chan *to_jz4740_dma_chan(struct dma_chan *c) { return container_of(c, struct jz4740_dmaengine_chan, vchan.chan); -@@ -70,6 +152,29 @@ static struct jz4740_dma_desc *to_jz4740_dma_desc(struct virt_dma_desc *vdesc) +@@ -70,6 +152,29 @@ static struct jz4740_dma_desc *to_jz4740 return container_of(vdesc, struct jz4740_dma_desc, vdesc); } @@ -568,7 +559,7 @@ index 3d42434..b0c0c82 100644 static struct jz4740_dma_desc *jz4740_dma_alloc_desc(unsigned int num_sgs) { return kzalloc(sizeof(struct jz4740_dma_desc) + -@@ -108,30 +213,60 @@ static int jz4740_dma_slave_config(struct dma_chan *c, +@@ -108,30 +213,60 @@ static int jz4740_dma_slave_config(struc const struct dma_slave_config *config) { struct jz4740_dmaengine_chan *chan = to_jz4740_dma_chan(c); @@ -601,7 +592,11 @@ index 3d42434..b0c0c82 100644 + src_width = jz4740_dma_width(config->src_addr_width); + dst_width = jz4740_dma_width(config->dst_addr_width); -+ + +- jzcfg.src_width = jz4740_dma_width(config->src_addr_width); +- jzcfg.dst_width = jz4740_dma_width(config->dst_addr_width); +- jzcfg.mode = JZ4740_DMA_MODE_SINGLE; +- jzcfg.request_type = config->slave_id; + switch (transfer_size) { + case JZ4740_DMA_TRANSFER_SIZE_2BYTE: + chan->transfer_shift = 1; @@ -620,18 +615,14 @@ index 3d42434..b0c0c82 100644 + break; + } -- jzcfg.src_width = jz4740_dma_width(config->src_addr_width); -- jzcfg.dst_width = jz4740_dma_width(config->dst_addr_width); -- jzcfg.mode = JZ4740_DMA_MODE_SINGLE; -- jzcfg.request_type = config->slave_id; +- jz4740_dma_configure(chan->jz_chan, &jzcfg); + cmd = flags << JZ_DMA_CMD_FLAGS_OFFSET; + cmd |= src_width << JZ_DMA_CMD_SRC_WIDTH_OFFSET; + cmd |= dst_width << JZ_DMA_CMD_DST_WIDTH_OFFSET; + cmd |= transfer_size << JZ_DMA_CMD_TRANSFER_SIZE_OFFSET; + cmd |= JZ4740_DMA_MODE_SINGLE << JZ_DMA_CMD_MODE_OFFSET; + cmd |= JZ_DMA_CMD_TRANSFER_IRQ_ENABLE; - -- jz4740_dma_configure(chan->jz_chan, &jzcfg); ++ + jz4740_dma_write(dmadev, JZ_REG_DMA_CMD(chan->id), cmd); + jz4740_dma_write(dmadev, JZ_REG_DMA_STATUS_CTRL(chan->id), 0); + jz4740_dma_write(dmadev, JZ_REG_DMA_REQ_TYPE(chan->id), @@ -639,7 +630,7 @@ index 3d42434..b0c0c82 100644 return 0; } -@@ -139,11 +274,13 @@ static int jz4740_dma_slave_config(struct dma_chan *c, +@@ -139,11 +274,13 @@ static int jz4740_dma_slave_config(struc static int jz4740_dma_terminate_all(struct dma_chan *c) { struct jz4740_dmaengine_chan *chan = to_jz4740_dma_chan(c); @@ -654,7 +645,7 @@ index 3d42434..b0c0c82 100644 chan->desc = NULL; vchan_get_all_descriptors(&chan->vchan, &head); spin_unlock_irqrestore(&chan->vchan.lock, flags); -@@ -170,11 +307,13 @@ static int jz4740_dma_control(struct dma_chan *chan, enum dma_ctrl_cmd cmd, +@@ -170,11 +307,13 @@ static int jz4740_dma_control(struct dma static int jz4740_dma_start_transfer(struct jz4740_dmaengine_chan *chan) { @@ -669,7 +660,7 @@ index 3d42434..b0c0c82 100644 if (!chan->desc) { vdesc = vchan_next_desc(&chan->vchan); -@@ -196,22 +335,27 @@ static int jz4740_dma_start_transfer(struct jz4740_dmaengine_chan *chan) +@@ -196,22 +335,27 @@ static int jz4740_dma_start_transfer(str src_addr = chan->fifo_addr; dst_addr = sg->addr; } @@ -705,7 +696,7 @@ index 3d42434..b0c0c82 100644 spin_lock(&chan->vchan.lock); if (chan->desc) { if (chan->desc && chan->desc->cyclic) { -@@ -227,6 +371,28 @@ static void jz4740_dma_complete_cb(struct jz4740_dma_chan *jz_chan, int error, +@@ -227,6 +371,28 @@ static void jz4740_dma_complete_cb(struc spin_unlock(&chan->vchan.lock); } @@ -734,7 +725,7 @@ index 3d42434..b0c0c82 100644 static void jz4740_dma_issue_pending(struct dma_chan *c) { struct jz4740_dmaengine_chan *chan = to_jz4740_dma_chan(c); -@@ -298,7 +464,8 @@ static struct dma_async_tx_descriptor *jz4740_dma_prep_dma_cyclic( +@@ -298,7 +464,8 @@ static struct dma_async_tx_descriptor *j static size_t jz4740_dma_desc_residue(struct jz4740_dmaengine_chan *chan, struct jz4740_dma_desc *desc, unsigned int next_sg) { @@ -744,7 +735,7 @@ index 3d42434..b0c0c82 100644 unsigned int i; residue = 0; -@@ -306,8 +473,11 @@ static size_t jz4740_dma_desc_residue(struct jz4740_dmaengine_chan *chan, +@@ -306,8 +473,11 @@ static size_t jz4740_dma_desc_residue(st for (i = next_sg; i < desc->num_sgs; i++) residue += desc->sg[i].len; @@ -758,7 +749,7 @@ index 3d42434..b0c0c82 100644 return residue; } -@@ -342,24 +512,12 @@ static enum dma_status jz4740_dma_tx_status(struct dma_chan *c, +@@ -342,24 +512,12 @@ static enum dma_status jz4740_dma_tx_sta static int jz4740_dma_alloc_chan_resources(struct dma_chan *c) { @@ -784,7 +775,7 @@ index 3d42434..b0c0c82 100644 } static void jz4740_dma_desc_free(struct virt_dma_desc *vdesc) -@@ -373,7 +531,9 @@ static int jz4740_dma_probe(struct platform_device *pdev) +@@ -373,7 +531,9 @@ static int jz4740_dma_probe(struct platf struct jz4740_dma_dev *dmadev; struct dma_device *dd; unsigned int i; @@ -794,7 +785,7 @@ index 3d42434..b0c0c82 100644 dmadev = devm_kzalloc(&pdev->dev, sizeof(*dmadev), GFP_KERNEL); if (!dmadev) -@@ -381,6 +541,17 @@ static int jz4740_dma_probe(struct platform_device *pdev) +@@ -381,6 +541,17 @@ static int jz4740_dma_probe(struct platf dd = &dmadev->ddev; @@ -812,7 +803,7 @@ index 3d42434..b0c0c82 100644 dma_cap_set(DMA_SLAVE, dd->cap_mask); dma_cap_set(DMA_CYCLIC, dd->cap_mask); dd->device_alloc_chan_resources = jz4740_dma_alloc_chan_resources; -@@ -396,6 +567,7 @@ static int jz4740_dma_probe(struct platform_device *pdev) +@@ -396,6 +567,7 @@ static int jz4740_dma_probe(struct platf for (i = 0; i < dd->chancnt; i++) { chan = &dmadev->chan[i]; @@ -820,7 +811,7 @@ index 3d42434..b0c0c82 100644 chan->vchan.desc_free = jz4740_dma_desc_free; vchan_init(&chan->vchan, dd); } -@@ -404,16 +576,28 @@ static int jz4740_dma_probe(struct platform_device *pdev) +@@ -404,16 +576,28 @@ static int jz4740_dma_probe(struct platf if (ret) return ret; @@ -849,6 +840,3 @@ index 3d42434..b0c0c82 100644 return 0; } --- -1.7.10.4 - |