UbiquitousOS
/
OpenCloudOS-Kernel
mirror of https://gitee.com/OpenCloudOS/OpenCloudOS-Kernel.git
11
0
Fork 0
Code Issues Projects Releases Wiki Activity

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>
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
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
drivers/tty/serial/8250/8250_lpss.c
View File

@ -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)