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authorAndy Shevchenko <andriy.shevchenko@linux.intel.com>2019-08-06 12:43:20 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2019-09-04 12:43:53 +0200
commitf6bbb9f531c601135a75ba96e17196c1f745c4ed (patch)
tree7d4587dbe8377fc39fa5c4d037f5d40800e010d6
parentb4d0aac23e355933e963492bd71f98a36819137a (diff)
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serial: 8250_lpss: register DMA IRQ and pool with instance ID
It is really useful not only for debugging to have an DMA IRQ line and pool being mapped to the corresponding IP by using its instance ID. Provide PCI device and function as instance ID for Intel Quark UART DMA. Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Reviewed-by: Heikki Krogerus <heikki.krogerus@linux.intel.com> Link: https://lore.kernel.org/r/20190806094322.64987-7-andriy.shevchenko@linux.intel.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
-rw-r--r--drivers/tty/serial/8250/8250_lpss.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/tty/serial/8250/8250_lpss.c b/drivers/tty/serial/8250/8250_lpss.c
index 0c6aa990db3d..2bb30e688433 100644
--- a/drivers/tty/serial/8250/8250_lpss.c
+++ b/drivers/tty/serial/8250/8250_lpss.c
@@ -170,6 +170,7 @@ static void qrk_serial_setup_dma(struct lpss8250 *lpss, struct uart_port *port)
chip->pdata = &qrk_serial_dma_pdata;
chip->dev = &pdev->dev;
+ chip->id = pdev->devfn;
chip->irq = pci_irq_vector(pdev, 0);
chip->regs = pci_ioremap_bar(pdev, 1);
if (!chip->regs)