diff options
| -rw-r--r-- | arch/arm/mach-shmobile/setup-sh7372.c | 2 | ||||
| -rw-r--r-- | drivers/dma/at_hdmac.c | 4 | ||||
| -rw-r--r-- | drivers/dma/at_hdmac_regs.h | 17 | ||||
| -rw-r--r-- | drivers/dma/dmatest.c | 2 | ||||
| -rw-r--r-- | drivers/dma/imx-sdma.c | 6 | ||||
| -rw-r--r-- | drivers/dma/shdma.c | 3 | ||||
| -rw-r--r-- | include/linux/sh_dma.h | 1 |
7 files changed, 20 insertions, 15 deletions
diff --git a/arch/arm/mach-shmobile/setup-sh7372.c b/arch/arm/mach-shmobile/setup-sh7372.c index 6fcf304d3cd..a83cf51fc09 100644 --- a/arch/arm/mach-shmobile/setup-sh7372.c +++ b/arch/arm/mach-shmobile/setup-sh7372.c @@ -662,6 +662,7 @@ static struct sh_dmae_pdata usb_dma0_platform_data = { .dmaor_is_32bit = 1, .needs_tend_set = 1, .no_dmars = 1, + .slave_only = 1, }; static struct resource sh7372_usb_dmae0_resources[] = { @@ -723,6 +724,7 @@ static struct sh_dmae_pdata usb_dma1_platform_data = { .dmaor_is_32bit = 1, .needs_tend_set = 1, .no_dmars = 1, + .slave_only = 1, }; static struct resource sh7372_usb_dmae1_resources[] = { diff --git a/drivers/dma/at_hdmac.c b/drivers/dma/at_hdmac.c index 97f87b29b9f..f4aed5fc2cb 100644 --- a/drivers/dma/at_hdmac.c +++ b/drivers/dma/at_hdmac.c @@ -1343,7 +1343,7 @@ static int __init at_dma_probe(struct platform_device *pdev) tasklet_init(&atchan->tasklet, atc_tasklet, (unsigned long)atchan); - atc_enable_irq(atchan); + atc_enable_chan_irq(atdma, i); } /* set base routines */ @@ -1410,7 +1410,7 @@ static int __exit at_dma_remove(struct platform_device *pdev) struct at_dma_chan *atchan = to_at_dma_chan(chan); /* Disable interrupts */ - atc_disable_irq(atchan); + atc_disable_chan_irq(atdma, chan->chan_id); tasklet_disable(&atchan->tasklet); tasklet_kill(&atchan->tasklet); diff --git a/drivers/dma/at_hdmac_regs.h b/drivers/dma/at_hdmac_regs.h index dcaedfc181c..a8d3277d60b 100644 --- a/drivers/dma/at_hdmac_regs.h +++ b/drivers/dma/at_hdmac_regs.h @@ -327,28 +327,27 @@ static void atc_dump_lli(struct at_dma_chan *atchan, struct at_lli *lli) } -static void atc_setup_irq(struct at_dma_chan *atchan, int on) +static void atc_setup_irq(struct at_dma *atdma, int chan_id, int on) { - struct at_dma *atdma = to_at_dma(atchan->chan_common.device); - u32 ebci; + u32 ebci; /* enable interrupts on buffer transfer completion & error */ - ebci = AT_DMA_BTC(atchan->chan_common.chan_id) - | AT_DMA_ERR(atchan->chan_common.chan_id); + ebci = AT_DMA_BTC(chan_id) + | AT_DMA_ERR(chan_id); if (on) dma_writel(atdma, EBCIER, ebci); else dma_writel(atdma, EBCIDR, ebci); } -static inline void atc_enable_irq(struct at_dma_chan *atchan) +static void atc_enable_chan_irq(struct at_dma *atdma, int chan_id) { - atc_setup_irq(atchan, 1); + atc_setup_irq(atdma, chan_id, 1); } -static inline void atc_disable_irq(struct at_dma_chan *atchan) +static void atc_disable_chan_irq(struct at_dma *atdma, int chan_id) { - atc_setup_irq(atchan, 0); + atc_setup_irq(atdma, chan_id, 0); } diff --git a/drivers/dma/dmatest.c b/drivers/dma/dmatest.c index 2b8661b54ea..24225f0fdcd 100644 --- a/drivers/dma/dmatest.c +++ b/drivers/dma/dmatest.c @@ -599,7 +599,7 @@ static int dmatest_add_channel(struct dma_chan *chan) } if (dma_has_cap(DMA_PQ, dma_dev->cap_mask)) { cnt = dmatest_add_threads(dtc, DMA_PQ); - thread_count += cnt > 0 ?: 0; + thread_count += cnt > 0 ? cnt : 0; } pr_info("dmatest: Started %u threads using %s\n", diff --git a/drivers/dma/imx-sdma.c b/drivers/dma/imx-sdma.c index a8af379680c..8bc5acf36ee 100644 --- a/drivers/dma/imx-sdma.c +++ b/drivers/dma/imx-sdma.c @@ -1102,11 +1102,13 @@ static int sdma_control(struct dma_chan *chan, enum dma_ctrl_cmd cmd, case DMA_SLAVE_CONFIG: if (dmaengine_cfg->direction == DMA_DEV_TO_MEM) { sdmac->per_address = dmaengine_cfg->src_addr; - sdmac->watermark_level = dmaengine_cfg->src_maxburst; + sdmac->watermark_level = dmaengine_cfg->src_maxburst * + dmaengine_cfg->src_addr_width; sdmac->word_size = dmaengine_cfg->src_addr_width; } else { sdmac->per_address = dmaengine_cfg->dst_addr; - sdmac->watermark_level = dmaengine_cfg->dst_maxburst; + sdmac->watermark_level = dmaengine_cfg->dst_maxburst * + dmaengine_cfg->dst_addr_width; sdmac->word_size = dmaengine_cfg->dst_addr_width; } sdmac->direction = dmaengine_cfg->direction; diff --git a/drivers/dma/shdma.c b/drivers/dma/shdma.c index 54043cd831c..812fd76e9c1 100644 --- a/drivers/dma/shdma.c +++ b/drivers/dma/shdma.c @@ -1262,7 +1262,8 @@ static int __init sh_dmae_probe(struct platform_device *pdev) INIT_LIST_HEAD(&shdev->common.channels); - dma_cap_set(DMA_MEMCPY, shdev->common.cap_mask); + if (!pdata->slave_only) + dma_cap_set(DMA_MEMCPY, shdev->common.cap_mask); if (pdata->slave && pdata->slave_num) dma_cap_set(DMA_SLAVE, shdev->common.cap_mask); diff --git a/include/linux/sh_dma.h b/include/linux/sh_dma.h index 8cd7fe59cf1..425450b980b 100644 --- a/include/linux/sh_dma.h +++ b/include/linux/sh_dma.h @@ -70,6 +70,7 @@ struct sh_dmae_pdata { unsigned int needs_tend_set:1; unsigned int no_dmars:1; unsigned int chclr_present:1; + unsigned int slave_only:1; }; /* DMA register */ |