From: Anson Huang Date: Wed, 9 Oct 2019 09:49:19 +0000 (+0800) Subject: tty: serial: imx: Use platform_get_irq_optional() for optional IRQs X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=31a8d8fa84c51d3ab00bf059158d5de6178cf890;p=openwrt%2Fstaging%2Fblogic.git tty: serial: imx: Use platform_get_irq_optional() for optional IRQs All i.MX SoCs except i.MX1 have ONLY one necessary IRQ, use platform_get_irq_optional() to get second/third IRQ which are optional to avoid below error message during probe: [ 0.726219] imx-uart 30860000.serial: IRQ index 1 not found [ 0.731329] imx-uart 30860000.serial: IRQ index 2 not found Fixes: 7723f4c5ecdb8d83 ("driver core: platform: Add an error message to platform_get_irq*()") Signed-off-by: Anson Huang Link: https://lore.kernel.org/r/1570614559-11900-1-git-send-email-Anson.Huang@nxp.com Signed-off-by: Greg Kroah-Hartman --- diff --git a/drivers/tty/serial/imx.c b/drivers/tty/serial/imx.c index 87c58f9f6390..5e08f2657b90 100644 --- a/drivers/tty/serial/imx.c +++ b/drivers/tty/serial/imx.c @@ -2222,8 +2222,8 @@ static int imx_uart_probe(struct platform_device *pdev) return PTR_ERR(base); rxirq = platform_get_irq(pdev, 0); - txirq = platform_get_irq(pdev, 1); - rtsirq = platform_get_irq(pdev, 2); + txirq = platform_get_irq_optional(pdev, 1); + rtsirq = platform_get_irq_optional(pdev, 2); sport->port.dev = &pdev->dev; sport->port.mapbase = res->start;