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serial: 8250_lpss: register DMA IRQ and pool with instance ID

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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>
This commit is contained in:
Andy Shevchenko 2019-08-06 12:43:20 +03:00 committed by Greg Kroah-Hartman
parent b4d0aac23e
commit f6bbb9f531
1 changed files with 1 additions and 0 deletions
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drivers/tty/serial/8250/8250_lpss.c
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@ -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)