spi: dw-mid: remove redundant dmac member
Instead of using that member we prefer to use dma_dev which represents actual struct device of the DMA device. Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Signed-off-by: Mark Brown <broonie@kernel.org>
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ea092455d7
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b89e9c87dd
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@ -39,12 +39,13 @@ static bool mid_spi_dma_chan_filter(struct dma_chan *chan, void *param)
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{
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struct dw_spi *dws = param;
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return dws->dmac && (&dws->dmac->dev == chan->device->dev);
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return dws->dma_dev == chan->device->dev;
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}
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static int mid_spi_dma_init(struct dw_spi *dws)
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{
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struct mid_dma *dw_dma = dws->dma_priv;
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struct pci_dev *dma_dev;
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struct intel_mid_dma_slave *rxs, *txs;
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dma_cap_mask_t mask;
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@ -52,7 +53,11 @@ static int mid_spi_dma_init(struct dw_spi *dws)
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* Get pci device for DMA controller, currently it could only
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* be the DMA controller of Medfield
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*/
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dws->dmac = pci_get_device(PCI_VENDOR_ID_INTEL, 0x0827, NULL);
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dma_dev = pci_get_device(PCI_VENDOR_ID_INTEL, 0x0827, NULL);
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if (!dma_dev)
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return -ENODEV;
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dws->dma_dev = &dma_dev->dev;
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dma_cap_zero(mask);
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dma_cap_set(DMA_SLAVE, mask);
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@ -81,8 +86,7 @@ static int mid_spi_dma_init(struct dw_spi *dws)
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free_rxchan:
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dma_release_channel(dws->rxchan);
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err_exit:
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return -1;
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return -EBUSY;
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}
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static void mid_spi_dma_exit(struct dw_spi *dws)
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@ -140,7 +140,6 @@ struct dw_spi {
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dma_addr_t dma_addr; /* phy address of the Data register */
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struct dw_spi_dma_ops *dma_ops;
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void *dma_priv; /* platform relate info */
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struct pci_dev *dmac;
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/* Bus interface info */
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void *priv;
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