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spi: topcliff-pch: don't hardcode PCI slot to get DMA device 

The DMA is a function 0 of the multifunction device where SPI host is attached.
Thus, we may avoid to hardcode PCI slot number.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
This commit is contained in:
Andy Shevchenko 2014-07-30 18:50:30 +03:00 committed by Mark Brown
parent 2857d80aca
commit a9082105b3
1 changed files with 2 additions and 2 deletions
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4
drivers/spi/spi-topcliff-pch.c
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@ -874,8 +874,8 @@ static void pch_spi_request_dma(struct pch_spi_data *data, int bpw)
dma_cap_set(DMA_SLAVE, mask); dma_cap_set(DMA_SLAVE, mask);
/* Get DMA's dev information */ /* Get DMA's dev information */
dma_dev = pci_get_bus_and_slot(data->board_dat->pdev->bus->number, dma_dev = pci_get_slot(data->board_dat->pdev->bus,
PCI_DEVFN(12, 0)); PCI_DEVFN(PCI_SLOT(data->board_dat->pdev->devfn), 0));
/* Set Tx DMA */ /* Set Tx DMA */
param = &dma->param_tx; param = &dma->param_tx;