[ 42/47] spi-topcliff-pch: Modify pci-bus number dynamically to get DMA device info

3.3-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Tomoya MORINAGA <redacted>

commit ee2ece5261a639b89f194d141444b03b4c923179 upstream.

Signed-off-by: Tomoya MORINAGA <redacted>
Signed-off-by: Grant Likely <redacted>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

---
 drivers/spi/spi-topcliff-pch.c |    3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

--- a/drivers/spi/spi-topcliff-pch.c
+++ b/drivers/spi/spi-topcliff-pch.c

@@ -924,7 +924,8 @@ static void pch_spi_request_dma(struct p
 	dma_cap_set(DMA_SLAVE, mask);
 
 	/* Get DMA's dev information */
-	dma_dev = pci_get_bus_and_slot(2, PCI_DEVFN(12, 0));
+	dma_dev = pci_get_bus_and_slot(data->board_dat->pdev->bus->number,
+				       PCI_DEVFN(12, 0));
 
 	/* Set Tx DMA */
 	param = &dma->param_tx;