diff options
| author | Andy Shevchenko <andriy.shevchenko@linux.intel.com> | 2014-07-30 19:59:52 +0400 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2014-08-02 03:04:21 +0400 |
| commit | 8368d6a2b73900507ad7632b8057532d0c2ee07f (patch) | |
| tree | a1e03234554758bf9aafd16679b23845d86526bd /drivers/tty/serial/pch_uart.c | |
| parent | c62fd1d9f094b1a97674374d09869df05cdc1025 (diff) | |
| download | linux-8368d6a2b73900507ad7632b8057532d0c2ee07f.tar.xz | |
pch_uart: 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: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/tty/serial/pch_uart.c')
| -rw-r--r-- | drivers/tty/serial/pch_uart.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/drivers/tty/serial/pch_uart.c b/drivers/tty/serial/pch_uart.c index 2f06e5a71396..ea4ffc2ebb2f 100644 --- a/drivers/tty/serial/pch_uart.c +++ b/drivers/tty/serial/pch_uart.c @@ -736,9 +736,10 @@ static void pch_request_dma(struct uart_port *port) dma_cap_zero(mask); dma_cap_set(DMA_SLAVE, mask); - dma_dev = pci_get_bus_and_slot(priv->pdev->bus->number, - PCI_DEVFN(0xa, 0)); /* Get DMA's dev - information */ + /* Get DMA's dev information */ + dma_dev = pci_get_slot(priv->pdev->bus, + PCI_DEVFN(PCI_SLOT(priv->pdev->devfn), 0)); + /* Set Tx DMA */ param = &priv->param_tx; param->dma_dev = &dma_dev->dev; |