diff options
Diffstat (limited to 'drivers/dma/sprd-dma.c')
| -rw-r--r-- | drivers/dma/sprd-dma.c | 22 |
1 files changed, 14 insertions, 8 deletions
diff --git a/drivers/dma/sprd-dma.c b/drivers/dma/sprd-dma.c index 168aa0bd73..3f54ff37c5 100644 --- a/drivers/dma/sprd-dma.c +++ b/drivers/dma/sprd-dma.c @@ -212,7 +212,7 @@ struct sprd_dma_dev { struct clk *ashb_clk; int irq; u32 total_chns; - struct sprd_dma_chn channels[]; + struct sprd_dma_chn channels[] __counted_by(total_chns); }; static void sprd_dma_free_desc(struct virt_dma_desc *vd); @@ -572,8 +572,7 @@ static void sprd_dma_stop(struct sprd_dma_chn *schan) schan->cur_desc = NULL; } -static bool sprd_dma_check_trans_done(struct sprd_dma_desc *sdesc, - enum sprd_dma_int_type int_type, +static bool sprd_dma_check_trans_done(enum sprd_dma_int_type int_type, enum sprd_dma_req_mode req_mode) { if (int_type == SPRD_DMA_NO_INT) @@ -619,8 +618,7 @@ static irqreturn_t dma_irq_handle(int irq, void *dev_id) vchan_cyclic_callback(&sdesc->vd); } else { /* Check if the dma request descriptor is done. */ - trans_done = sprd_dma_check_trans_done(sdesc, int_type, - req_type); + trans_done = sprd_dma_check_trans_done(int_type, req_type); if (trans_done == true) { vchan_cookie_complete(&sdesc->vd); schan->cur_desc = NULL; @@ -1117,6 +1115,15 @@ static int sprd_dma_probe(struct platform_device *pdev) u32 chn_count; int ret, i; + ret = dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(36)); + if (ret) { + ret = dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(32)); + if (ret) { + dev_err(&pdev->dev, "unable to set coherent mask to 32\n"); + return ret; + } + } + /* Parse new and deprecated dma-channels properties */ ret = device_property_read_u32(&pdev->dev, "dma-channels", &chn_count); if (ret) @@ -1232,7 +1239,7 @@ err_rpm: return ret; } -static int sprd_dma_remove(struct platform_device *pdev) +static void sprd_dma_remove(struct platform_device *pdev) { struct sprd_dma_dev *sdev = platform_get_drvdata(pdev); struct sprd_dma_chn *c, *cn; @@ -1255,7 +1262,6 @@ static int sprd_dma_remove(struct platform_device *pdev) pm_runtime_put_noidle(&pdev->dev); pm_runtime_disable(&pdev->dev); - return 0; } static const struct of_device_id sprd_dma_match[] = { @@ -1292,7 +1298,7 @@ static const struct dev_pm_ops sprd_dma_pm_ops = { static struct platform_driver sprd_dma_driver = { .probe = sprd_dma_probe, - .remove = sprd_dma_remove, + .remove_new = sprd_dma_remove, .driver = { .name = "sprd-dma", .of_match_table = sprd_dma_match, |