diff options
Diffstat (limited to 'drivers/dma')
| -rw-r--r-- | drivers/dma/altera-msgdma.c | 4 | ||||
| -rw-r--r-- | drivers/dma/dma-jz4780.c | 3 | ||||
| -rw-r--r-- | drivers/dma/ioat/dma.c | 3 | ||||
| -rw-r--r-- | drivers/dma/k3dma.c | 12 | ||||
| -rw-r--r-- | drivers/dma/mv_xor_v2.c | 2 | ||||
| -rw-r--r-- | drivers/dma/virt-dma.c | 3 |
6 files changed, 17 insertions, 10 deletions
diff --git a/drivers/dma/altera-msgdma.c b/drivers/dma/altera-msgdma.c index 832aefbe7af9..539e785039ca 100644 --- a/drivers/dma/altera-msgdma.c +++ b/drivers/dma/altera-msgdma.c @@ -772,10 +772,10 @@ static int request_and_map(struct platform_device *pdev, const char *name, return -EBUSY; } - *ptr = devm_ioremap_nocache(device, region->start, + *ptr = devm_ioremap(device, region->start, resource_size(region)); if (*ptr == NULL) { - dev_err(device, "ioremap_nocache of %s failed!", name); + dev_err(device, "ioremap of %s failed!", name); return -ENOMEM; } diff --git a/drivers/dma/dma-jz4780.c b/drivers/dma/dma-jz4780.c index f8ee4b74dae4..448f663da89c 100644 --- a/drivers/dma/dma-jz4780.c +++ b/drivers/dma/dma-jz4780.c @@ -999,7 +999,8 @@ static const struct jz4780_dma_soc_data jz4740_dma_soc_data = { static const struct jz4780_dma_soc_data jz4725b_dma_soc_data = { .nb_channels = 6, .transfer_ord_max = 5, - .flags = JZ_SOC_DATA_PER_CHAN_PM | JZ_SOC_DATA_NO_DCKES_DCKEC, + .flags = JZ_SOC_DATA_PER_CHAN_PM | JZ_SOC_DATA_NO_DCKES_DCKEC | + JZ_SOC_DATA_BREAK_LINKS, }; static const struct jz4780_dma_soc_data jz4770_dma_soc_data = { diff --git a/drivers/dma/ioat/dma.c b/drivers/dma/ioat/dma.c index 1a422a8b43cf..18c011e57592 100644 --- a/drivers/dma/ioat/dma.c +++ b/drivers/dma/ioat/dma.c @@ -377,10 +377,11 @@ ioat_alloc_ring(struct dma_chan *c, int order, gfp_t flags) descs->virt = dma_alloc_coherent(to_dev(ioat_chan), SZ_2M, &descs->hw, flags); - if (!descs->virt && (i > 0)) { + if (!descs->virt) { int idx; for (idx = 0; idx < i; idx++) { + descs = &ioat_chan->descs[idx]; dma_free_coherent(to_dev(ioat_chan), SZ_2M, descs->virt, descs->hw); descs->virt = NULL; diff --git a/drivers/dma/k3dma.c b/drivers/dma/k3dma.c index adecea51814f..c5c1aa0dcaed 100644 --- a/drivers/dma/k3dma.c +++ b/drivers/dma/k3dma.c @@ -229,9 +229,11 @@ static irqreturn_t k3_dma_int_handler(int irq, void *dev_id) c = p->vchan; if (c && (tc1 & BIT(i))) { spin_lock_irqsave(&c->vc.lock, flags); - vchan_cookie_complete(&p->ds_run->vd); - p->ds_done = p->ds_run; - p->ds_run = NULL; + if (p->ds_run != NULL) { + vchan_cookie_complete(&p->ds_run->vd); + p->ds_done = p->ds_run; + p->ds_run = NULL; + } spin_unlock_irqrestore(&c->vc.lock, flags); } if (c && (tc2 & BIT(i))) { @@ -271,6 +273,10 @@ static int k3_dma_start_txd(struct k3_dma_chan *c) if (BIT(c->phy->idx) & k3_dma_get_chan_stat(d)) return -EAGAIN; + /* Avoid losing track of ds_run if a transaction is in flight */ + if (c->phy->ds_run) + return -EAGAIN; + if (vd) { struct k3_dma_desc_sw *ds = container_of(vd, struct k3_dma_desc_sw, vd); diff --git a/drivers/dma/mv_xor_v2.c b/drivers/dma/mv_xor_v2.c index e3850f04f676..157c959311ea 100644 --- a/drivers/dma/mv_xor_v2.c +++ b/drivers/dma/mv_xor_v2.c @@ -750,7 +750,7 @@ static int mv_xor_v2_probe(struct platform_device *pdev) } xor_dev->clk = devm_clk_get(&pdev->dev, NULL); - if (IS_ERR(xor_dev->clk) && PTR_ERR(xor_dev->clk) == -EPROBE_DEFER) { + if (PTR_ERR(xor_dev->clk) == -EPROBE_DEFER) { ret = EPROBE_DEFER; goto disable_reg_clk; } diff --git a/drivers/dma/virt-dma.c b/drivers/dma/virt-dma.c index 95dfe431777e..23e33a85f033 100644 --- a/drivers/dma/virt-dma.c +++ b/drivers/dma/virt-dma.c @@ -104,9 +104,8 @@ static void vchan_complete(unsigned long arg) dmaengine_desc_get_callback(&vd->tx, &cb); list_del(&vd->node); - vchan_vdesc_fini(vd); - dmaengine_desc_callback_invoke(&cb, &vd->tx_result); + vchan_vdesc_fini(vd); } } |