diff options
Diffstat (limited to 'drivers/dma/dw/core.c')
| -rw-r--r-- | drivers/dma/dw/core.c | 16 |
1 files changed, 0 insertions, 16 deletions
diff --git a/drivers/dma/dw/core.c b/drivers/dma/dw/core.c index 10e43eae61a7..9546b1f599f0 100644 --- a/drivers/dma/dw/core.c +++ b/drivers/dma/dw/core.c @@ -11,7 +11,6 @@ */ #include <linux/bitops.h> -#include <linux/clk.h> #include <linux/delay.h> #include <linux/dmaengine.h> #include <linux/dma-mapping.h> @@ -1488,13 +1487,6 @@ int dw_dma_probe(struct dw_dma_chip *chip, struct dw_dma_platform_data *pdata) dw->regs = chip->regs; chip->dw = dw; - dw->clk = devm_clk_get(chip->dev, "hclk"); - if (IS_ERR(dw->clk)) - return PTR_ERR(dw->clk); - err = clk_prepare_enable(dw->clk); - if (err) - return err; - dw_params = dma_read_byaddr(chip->regs, DW_PARAMS); autocfg = dw_params >> DW_PARAMS_EN & 0x1; @@ -1665,7 +1657,6 @@ int dw_dma_probe(struct dw_dma_chip *chip, struct dw_dma_platform_data *pdata) err_dma_register: free_irq(chip->irq, dw); err_pdata: - clk_disable_unprepare(dw->clk); return err; } EXPORT_SYMBOL_GPL(dw_dma_probe); @@ -1687,8 +1678,6 @@ int dw_dma_remove(struct dw_dma_chip *chip) channel_clear_bit(dw, CH_EN, dwc->mask); } - clk_disable_unprepare(dw->clk); - return 0; } EXPORT_SYMBOL_GPL(dw_dma_remove); @@ -1698,7 +1687,6 @@ void dw_dma_shutdown(struct dw_dma_chip *chip) struct dw_dma *dw = chip->dw; dw_dma_off(dw); - clk_disable_unprepare(dw->clk); } EXPORT_SYMBOL_GPL(dw_dma_shutdown); @@ -1709,8 +1697,6 @@ int dw_dma_suspend(struct dw_dma_chip *chip) struct dw_dma *dw = chip->dw; dw_dma_off(dw); - clk_disable_unprepare(dw->clk); - return 0; } EXPORT_SYMBOL_GPL(dw_dma_suspend); @@ -1719,9 +1705,7 @@ int dw_dma_resume(struct dw_dma_chip *chip) { struct dw_dma *dw = chip->dw; - clk_prepare_enable(dw->clk); dma_writel(dw, CFG, DW_CFG_DMA_EN); - return 0; } EXPORT_SYMBOL_GPL(dw_dma_resume); |