diff options
Diffstat (limited to 'drivers/dma/owl-dma.c')
| -rw-r--r-- | drivers/dma/owl-dma.c | 19 |
1 files changed, 9 insertions, 10 deletions
diff --git a/drivers/dma/owl-dma.c b/drivers/dma/owl-dma.c index 95a462a1f511..57cec757d8f5 100644 --- a/drivers/dma/owl-dma.c +++ b/drivers/dma/owl-dma.c @@ -20,8 +20,9 @@ #include <linux/io.h> #include <linux/mm.h> #include <linux/module.h> -#include <linux/of_device.h> +#include <linux/of.h> #include <linux/of_dma.h> +#include <linux/platform_device.h> #include <linux/slab.h> #include "virt-dma.h" @@ -192,7 +193,7 @@ struct owl_dma_pchan { }; /** - * struct owl_dma_pchan - Wrapper for DMA ENGINE channel + * struct owl_dma_vchan - Wrapper for DMA ENGINE channel * @vc: wrapped virtual channel * @pchan: the physical channel utilized by this channel * @txd: active transaction on this channel @@ -249,7 +250,7 @@ static void pchan_update(struct owl_dma_pchan *pchan, u32 reg, else regval &= ~val; - writel(val, pchan->base + reg); + writel(regval, pchan->base + reg); } static void pchan_writel(struct owl_dma_pchan *pchan, u32 reg, u32 data) @@ -273,7 +274,7 @@ static void dma_update(struct owl_dma *od, u32 reg, u32 val, bool state) else regval &= ~val; - writel(val, od->base + reg); + writel(regval, od->base + reg); } static void dma_writel(struct owl_dma *od, u32 reg, u32 data) @@ -1116,7 +1117,7 @@ static int owl_dma_probe(struct platform_device *pdev) dev_info(&pdev->dev, "dma-channels %d, dma-requests %d\n", nr_channels, nr_requests); - od->devid = (enum owl_dma_id)of_device_get_match_data(&pdev->dev); + od->devid = (uintptr_t)of_device_get_match_data(&pdev->dev); od->nr_pchans = nr_channels; od->nr_vchans = nr_requests; @@ -1155,7 +1156,7 @@ static int owl_dma_probe(struct platform_device *pdev) } /* - * Eventhough the DMA controller is capable of generating 4 + * Even though the DMA controller is capable of generating 4 * IRQ's for DMA priority feature, we only use 1 IRQ for * simplification. */ @@ -1230,7 +1231,7 @@ err_pool_free: return ret; } -static int owl_dma_remove(struct platform_device *pdev) +static void owl_dma_remove(struct platform_device *pdev) { struct owl_dma *od = platform_get_drvdata(pdev); @@ -1247,13 +1248,11 @@ static int owl_dma_remove(struct platform_device *pdev) clk_disable_unprepare(od->clk); dma_pool_destroy(od->lli_pool); - - return 0; } static struct platform_driver owl_dma_driver = { .probe = owl_dma_probe, - .remove = owl_dma_remove, + .remove = owl_dma_remove, .driver = { .name = "dma-owl", .of_match_table = of_match_ptr(owl_dma_match), |