diff options
Diffstat (limited to 'drivers/dma/fsl-edma-main.c')
| -rw-r--r-- | drivers/dma/fsl-edma-main.c | 27 |
1 files changed, 10 insertions, 17 deletions
diff --git a/drivers/dma/fsl-edma-main.c b/drivers/dma/fsl-edma-main.c index 63d48d046f04..4635e16d7705 100644 --- a/drivers/dma/fsl-edma-main.c +++ b/drivers/dma/fsl-edma-main.c @@ -13,13 +13,11 @@ #include <linux/interrupt.h> #include <linux/clk.h> #include <linux/of.h> -#include <linux/of_device.h> -#include <linux/of_address.h> -#include <linux/of_irq.h> #include <linux/of_dma.h> #include <linux/dma-mapping.h> #include <linux/pm_runtime.h> #include <linux/pm_domain.h> +#include <linux/property.h> #include "fsl-edma-common.h" @@ -154,18 +152,20 @@ static struct dma_chan *fsl_edma3_xlate(struct of_phandle_args *dma_spec, fsl_chan = to_fsl_edma_chan(chan); i = fsl_chan - fsl_edma->chans; - chan = dma_get_slave_channel(chan); - chan->device->privatecnt++; fsl_chan->priority = dma_spec->args[1]; fsl_chan->is_rxchan = dma_spec->args[2] & ARGS_RX; fsl_chan->is_remote = dma_spec->args[2] & ARGS_REMOTE; fsl_chan->is_multi_fifo = dma_spec->args[2] & ARGS_MULTI_FIFO; if (!b_chmux && i == dma_spec->args[0]) { + chan = dma_get_slave_channel(chan); + chan->device->privatecnt++; mutex_unlock(&fsl_edma->fsl_edma_mutex); return chan; } else if (b_chmux && !fsl_chan->srcid) { /* if controller support channel mux, choose a free channel */ + chan = dma_get_slave_channel(chan); + chan->device->privatecnt++; fsl_chan->srcid = dma_spec->args[0]; mutex_unlock(&fsl_edma->fsl_edma_mutex); return chan; @@ -230,10 +230,8 @@ static int fsl_edma3_irq_init(struct platform_device *pdev, struct fsl_edma_engi /* request channel irq */ fsl_chan->txirq = platform_get_irq(pdev, i); - if (fsl_chan->txirq < 0) { - dev_err(&pdev->dev, "Can't get chan %d's irq.\n", i); + if (fsl_chan->txirq < 0) return -EINVAL; - } ret = devm_request_irq(&pdev->dev, fsl_chan->txirq, fsl_edma3_tx_handler, IRQF_SHARED, @@ -355,7 +353,7 @@ static struct fsl_edma_drvdata imx93_data3 = { }; static struct fsl_edma_drvdata imx93_data4 = { - .flags = FSL_EDMA_DRV_HAS_CHMUX | FSL_EDMA_DRV_HAS_DMACLK | FSL_EDMA_DRV_EDMA3, + .flags = FSL_EDMA_DRV_HAS_CHMUX | FSL_EDMA_DRV_HAS_DMACLK | FSL_EDMA_DRV_EDMA4, .chreg_space_sz = 0x8000, .chreg_off = 0x10000, .setup_irq = fsl_edma3_irq_init, @@ -416,8 +414,6 @@ static int fsl_edma3_attach_pd(struct platform_device *pdev, struct fsl_edma_eng static int fsl_edma_probe(struct platform_device *pdev) { - const struct of_device_id *of_id = - of_match_device(fsl_edma_dt_ids, &pdev->dev); struct device_node *np = pdev->dev.of_node; struct fsl_edma_engine *fsl_edma; const struct fsl_edma_drvdata *drvdata = NULL; @@ -426,8 +422,7 @@ static int fsl_edma_probe(struct platform_device *pdev) int chans; int ret, i; - if (of_id) - drvdata = of_id->data; + drvdata = device_get_match_data(&pdev->dev); if (!drvdata) { dev_err(&pdev->dev, "unable to find driver data\n"); return -EINVAL; @@ -615,7 +610,7 @@ static int fsl_edma_probe(struct platform_device *pdev) return 0; } -static int fsl_edma_remove(struct platform_device *pdev) +static void fsl_edma_remove(struct platform_device *pdev) { struct device_node *np = pdev->dev.of_node; struct fsl_edma_engine *fsl_edma = platform_get_drvdata(pdev); @@ -625,8 +620,6 @@ static int fsl_edma_remove(struct platform_device *pdev) of_dma_controller_free(np); dma_async_device_unregister(&fsl_edma->dma_dev); fsl_disable_clocks(fsl_edma, fsl_edma->drvdata->dmamuxs); - - return 0; } static int fsl_edma_suspend_late(struct device *dev) @@ -690,7 +683,7 @@ static struct platform_driver fsl_edma_driver = { .pm = &fsl_edma_pm_ops, }, .probe = fsl_edma_probe, - .remove = fsl_edma_remove, + .remove_new = fsl_edma_remove, }; static int __init fsl_edma_init(void) |