diff options
Diffstat (limited to 'drivers/dma')
| -rw-r--r-- | drivers/dma/at_xdmac.c | 1 | ||||
| -rw-r--r-- | drivers/dma/imx-dma.c | 5 | ||||
| -rw-r--r-- | drivers/dma/imx-sdma.c | 18 | ||||
| -rw-r--r-- | drivers/dma/ioat/dma_v3.c | 11 | ||||
| -rw-r--r-- | drivers/dma/of-dma.c | 4 |
5 files changed, 24 insertions, 15 deletions
diff --git a/drivers/dma/at_xdmac.c b/drivers/dma/at_xdmac.c index 8c799f66a6dc..c39000b9980a 100644 --- a/drivers/dma/at_xdmac.c +++ b/drivers/dma/at_xdmac.c @@ -1516,7 +1516,6 @@ static struct platform_driver at_xdmac_driver = { .remove = at_xdmac_remove, .driver = { .name = "at_xdmac", - .owner = THIS_MODULE, .of_match_table = of_match_ptr(atmel_xdmac_dt_ids), .pm = &atmel_xdmac_dev_pm_ops, } diff --git a/drivers/dma/imx-dma.c b/drivers/dma/imx-dma.c index 02d1f73bd12b..eed405976ea9 100644 --- a/drivers/dma/imx-dma.c +++ b/drivers/dma/imx-dma.c @@ -230,11 +230,6 @@ static inline int is_imx1_dma(struct imxdma_engine *imxdma) return imxdma->devtype == IMX1_DMA; } -static inline int is_imx21_dma(struct imxdma_engine *imxdma) -{ - return imxdma->devtype == IMX21_DMA; -} - static inline int is_imx27_dma(struct imxdma_engine *imxdma) { return imxdma->devtype == IMX27_DMA; diff --git a/drivers/dma/imx-sdma.c b/drivers/dma/imx-sdma.c index fc874e53bec4..18c0a131e4e4 100644 --- a/drivers/dma/imx-sdma.c +++ b/drivers/dma/imx-sdma.c @@ -1296,15 +1296,15 @@ static void sdma_load_firmware(const struct firmware *fw, void *context) if (header->ram_code_start + header->ram_code_size > fw->size) goto err_firmware; switch (header->version_major) { - case 1: - sdma->script_number = SDMA_SCRIPT_ADDRS_ARRAY_SIZE_V1; - break; - case 2: - sdma->script_number = SDMA_SCRIPT_ADDRS_ARRAY_SIZE_V2; - break; - default: - dev_err(sdma->dev, "unknown firmware version\n"); - goto err_firmware; + case 1: + sdma->script_number = SDMA_SCRIPT_ADDRS_ARRAY_SIZE_V1; + break; + case 2: + sdma->script_number = SDMA_SCRIPT_ADDRS_ARRAY_SIZE_V2; + break; + default: + dev_err(sdma->dev, "unknown firmware version\n"); + goto err_firmware; } addr = (void *)header + header->script_addrs_start; diff --git a/drivers/dma/ioat/dma_v3.c b/drivers/dma/ioat/dma_v3.c index 32eae38291e5..be307182231e 100644 --- a/drivers/dma/ioat/dma_v3.c +++ b/drivers/dma/ioat/dma_v3.c @@ -489,6 +489,7 @@ static void ioat3_eh(struct ioat2_dma_chan *ioat) struct ioat_chan_common *chan = &ioat->base; struct pci_dev *pdev = to_pdev(chan); struct ioat_dma_descriptor *hw; + struct dma_async_tx_descriptor *tx; u64 phys_complete; struct ioat_ring_ent *desc; u32 err_handled = 0; @@ -534,6 +535,16 @@ static void ioat3_eh(struct ioat2_dma_chan *ioat) dev_err(to_dev(chan), "%s: fatal error (%x:%x)\n", __func__, chanerr, err_handled); BUG(); + } else { /* cleanup the faulty descriptor */ + tx = &desc->txd; + if (tx->cookie) { + dma_cookie_complete(tx); + dma_descriptor_unmap(tx); + if (tx->callback) { + tx->callback(tx->callback_param); + tx->callback = NULL; + } + } } writel(chanerr, chan->reg_base + IOAT_CHANERR_OFFSET); diff --git a/drivers/dma/of-dma.c b/drivers/dma/of-dma.c index d5fbeaa1e7ba..ca31f1b45366 100644 --- a/drivers/dma/of-dma.c +++ b/drivers/dma/of-dma.c @@ -159,6 +159,10 @@ struct dma_chan *of_dma_request_slave_channel(struct device_node *np, return ERR_PTR(-ENODEV); } + /* Silently fail if there is not even the "dmas" property */ + if (!of_find_property(np, "dmas", NULL)) + return ERR_PTR(-ENODEV); + count = of_property_count_strings(np, "dma-names"); if (count < 0) { pr_err("%s: dma-names property of node '%s' missing or empty\n", |