| Message ID | 20240214171044.3551032-2-andriy.shevchenko@linux.intel.com |
|---|---|
| State | New |
| Headers | show |
| Series | serial: 8250_exar: A few updates to the driver | expand |
diff --git a/drivers/tty/serial/8250/8250_exar.c b/drivers/tty/serial/8250/8250_exar.c index 23366f868ae3..32a56ce626b5 100644 --- a/drivers/tty/serial/8250/8250_exar.c +++ b/drivers/tty/serial/8250/8250_exar.c @@ -713,14 +713,14 @@ exar_pci_probe(struct pci_dev *pcidev, const struct pci_device_id *ent) uart.port.irq = pci_irq_vector(pcidev, 0); uart.port.dev = &pcidev->dev; + /* Clear interrupts */ + exar_misc_clear(priv); + rc = devm_request_irq(&pcidev->dev, uart.port.irq, exar_misc_handler, IRQF_SHARED, "exar_uart", priv); if (rc) return rc; - /* Clear interrupts */ - exar_misc_clear(priv); - for (i = 0; i < nr_ports && i < maxnr; i++) { rc = board->setup(priv, pcidev, &uart, i); if (rc) {
While now there is no issue if IRQ is fired before we clearing the interrupts as the handler does the same, but strictly speaking it might be problematic if IRQ handler wants to do something more. Move clearing interrupt code to be called before registering the IRQ handler. Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> --- drivers/tty/serial/8250/8250_exar.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-)