diff options
| author | Andy Shevchenko <andriy.shevchenko@linux.intel.com> | 2016-04-27 14:15:40 +0300 |
|---|---|---|
| committer | Vinod Koul <vinod.koul@intel.com> | 2016-05-02 13:01:05 +0300 |
| commit | 3a14c66d43d018baed96ceb74f9ab548878c09b8 (patch) | |
| tree | 76e9ffceb36ecb9b75c8bb591b517da06ecab207 /drivers/dma/dw/core.c | |
| parent | 161c3d04aeca8a5bfffe3902786bdf0ccd8575c0 (diff) | |
| download | linux-3a14c66d43d018baed96ceb74f9ab548878c09b8.tar.xz | |
dmaengine: dw: pass platform data via struct dw_dma_chip
We pass struct dw_dma_chip to dw_dma_probe() anyway, thus we may use it to
pass a platform data as well.
While here, constify the source of the platform data.
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
Diffstat (limited to 'drivers/dma/dw/core.c')
| -rw-r--r-- | drivers/dma/dw/core.c | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/drivers/dma/dw/core.c b/drivers/dma/dw/core.c index 30843a17b438..edf053f73a49 100644 --- a/drivers/dma/dw/core.c +++ b/drivers/dma/dw/core.c @@ -1439,8 +1439,9 @@ EXPORT_SYMBOL(dw_dma_cyclic_free); /*----------------------------------------------------------------------*/ -int dw_dma_probe(struct dw_dma_chip *chip, struct dw_dma_platform_data *pdata) +int dw_dma_probe(struct dw_dma_chip *chip) { + struct dw_dma_platform_data *pdata; struct dw_dma *dw; bool autocfg = false; unsigned int dw_params; @@ -1460,7 +1461,7 @@ int dw_dma_probe(struct dw_dma_chip *chip, struct dw_dma_platform_data *pdata) pm_runtime_get_sync(chip->dev); - if (!pdata) { + if (!chip->pdata) { dw_params = dma_readl(dw, DW_PARAMS); dev_dbg(chip->dev, "DW_PARAMS: 0x%08x\n", dw_params); @@ -1487,11 +1488,11 @@ int dw_dma_probe(struct dw_dma_chip *chip, struct dw_dma_platform_data *pdata) pdata->is_memcpy = true; pdata->chan_allocation_order = CHAN_ALLOCATION_ASCENDING; pdata->chan_priority = CHAN_PRIORITY_ASCENDING; - } else if (pdata->nr_channels > DW_DMA_MAX_NR_CHANNELS) { + } else if (chip->pdata->nr_channels > DW_DMA_MAX_NR_CHANNELS) { err = -EINVAL; goto err_pdata; } else { - memcpy(dw->pdata, pdata, sizeof(*dw->pdata)); + memcpy(dw->pdata, chip->pdata, sizeof(*dw->pdata)); /* Reassign the platform data pointer */ pdata = dw->pdata; |