diff options
Diffstat (limited to 'drivers/dma/tegra20-apb-dma.c')
| -rw-r--r-- | drivers/dma/tegra20-apb-dma.c | 22 |
1 files changed, 10 insertions, 12 deletions
diff --git a/drivers/dma/tegra20-apb-dma.c b/drivers/dma/tegra20-apb-dma.c index 24acd711e032..528c62dd4b00 100644 --- a/drivers/dma/tegra20-apb-dma.c +++ b/drivers/dma/tegra20-apb-dma.c @@ -169,6 +169,7 @@ typedef void (*dma_isr_handler)(struct tegra_dma_channel *tdc, /* tegra_dma_channel: Channel specific information */ struct tegra_dma_channel { struct dma_chan dma_chan; + char name[30]; bool config_init; int id; int irq; @@ -201,7 +202,7 @@ struct tegra_dma { struct clk *dma_clk; spinlock_t global_lock; void __iomem *base_addr; - struct tegra_dma_chip_data *chip_data; + const struct tegra_dma_chip_data *chip_data; /* Some register need to be cache before suspend */ u32 reg_gen; @@ -475,8 +476,7 @@ static void tegra_dma_abort_all(struct tegra_dma_channel *tdc) while (!list_empty(&tdc->pending_sg_req)) { sgreq = list_first_entry(&tdc->pending_sg_req, typeof(*sgreq), node); - list_del(&sgreq->node); - list_add_tail(&sgreq->node, &tdc->free_sg_req); + list_move_tail(&sgreq->node, &tdc->free_sg_req); if (sgreq->last_sg) { dma_desc = sgreq->dma_desc; dma_desc->dma_status = DMA_ERROR; @@ -570,8 +570,7 @@ static void handle_cont_sngl_cycle_dma_done(struct tegra_dma_channel *tdc, /* If not last req then put at end of pending list */ if (!list_is_last(&sgreq->node, &tdc->pending_sg_req)) { - list_del(&sgreq->node); - list_add_tail(&sgreq->node, &tdc->pending_sg_req); + list_move_tail(&sgreq->node, &tdc->pending_sg_req); sgreq->configured = false; st = handle_continuous_head_request(tdc, sgreq, to_terminate); if (!st) @@ -990,7 +989,7 @@ static struct dma_async_tx_descriptor *tegra_dma_prep_slave_sg( struct dma_async_tx_descriptor *tegra_dma_prep_dma_cyclic( struct dma_chan *dc, dma_addr_t buf_addr, size_t buf_len, size_t period_len, enum dma_transfer_direction direction, - void *context) + unsigned long flags, void *context) { struct tegra_dma_channel *tdc = to_tegra_dma_chan(dc); struct tegra_dma_desc *dma_desc = NULL; @@ -1173,14 +1172,14 @@ static void tegra_dma_free_chan_resources(struct dma_chan *dc) } /* Tegra20 specific DMA controller information */ -static struct tegra_dma_chip_data tegra20_dma_chip_data = { +static const struct tegra_dma_chip_data tegra20_dma_chip_data = { .nr_channels = 16, .max_dma_count = 1024UL * 64, }; #if defined(CONFIG_OF) /* Tegra30 specific DMA controller information */ -static struct tegra_dma_chip_data tegra30_dma_chip_data = { +static const struct tegra_dma_chip_data tegra30_dma_chip_data = { .nr_channels = 32, .max_dma_count = 1024UL * 64, }; @@ -1204,7 +1203,7 @@ static int __devinit tegra_dma_probe(struct platform_device *pdev) struct tegra_dma *tdma; int ret; int i; - struct tegra_dma_chip_data *cdata = NULL; + const struct tegra_dma_chip_data *cdata = NULL; if (pdev->dev.of_node) { const struct of_device_id *match; @@ -1284,7 +1283,6 @@ static int __devinit tegra_dma_probe(struct platform_device *pdev) INIT_LIST_HEAD(&tdma->dma_dev.channels); for (i = 0; i < cdata->nr_channels; i++) { struct tegra_dma_channel *tdc = &tdma->channels[i]; - char irq_name[30]; tdc->chan_base_offset = TEGRA_APBDMA_CHANNEL_BASE_ADD_OFFSET + i * TEGRA_APBDMA_CHANNEL_REGISTER_SIZE; @@ -1296,9 +1294,9 @@ static int __devinit tegra_dma_probe(struct platform_device *pdev) goto err_irq; } tdc->irq = res->start; - snprintf(irq_name, sizeof(irq_name), "apbdma.%d", i); + snprintf(tdc->name, sizeof(tdc->name), "apbdma.%d", i); ret = devm_request_irq(&pdev->dev, tdc->irq, - tegra_dma_isr, 0, irq_name, tdc); + tegra_dma_isr, 0, tdc->name, tdc); if (ret) { dev_err(&pdev->dev, "request_irq failed with err %d channel %d\n", |