On Fri, Jul 19, 2019 at 04:37:35PM +0300, Andy Shevchenko wrote: > On Thu, Jul 18, 2019 at 09:54:42PM -0500, Navid Emamdoost wrote: > Thus, please, collaborate guys, and send one compiling solution based on [1]. > [1]: https://www.spinics.net/lists/linux-serial/msg33965.html For your convenience (what has to be applied to v4): diff --git a/drivers/tty/serial/8250/8250_lpss.c b/drivers/tty/serial/8250/8250_lpss.c index 53ca9ba6ab4b..6214da67e9b3 100644 --- a/drivers/tty/serial/8250/8250_lpss.c +++ b/drivers/tty/serial/8250/8250_lpss.c @@ -195,11 +195,15 @@ static void qrk_serial_setup_dma(struct lpss8250 *lpss, struct uart_port *port) static void qrk_serial_exit_dma(struct lpss8250 *lpss) { + struct dw_dma_chip *chip = &lpss->dma_chip; struct dw_dma_slave *param = &lpss->dma_param; if (!param->dma_dev) return; - dw_dma_remove(&lpss->dma_chip); + + dw_dma_remove(chip); + + pci_iounmap(to_pci_dev(chip->dev), chip->regs); } #else /* CONFIG_SERIAL_8250_DMA */ static void qrk_serial_setup_dma(struct lpss8250 *lpss, struct uart_port *port) {} -- With Best Regards, Andy Shevchenko
