diff options
| author | Andy Shevchenko <andriy.shevchenko@linux.intel.com> | 2020-06-18 15:20:24 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2020-06-27 16:12:45 +0200 |
| commit | 9167cc78bd3f615f0df03859b2aae668ba8f8cec (patch) | |
| tree | 56d637619f889a075d5ebadfcfdc8d53ab7e60d7 | |
| parent | 2a1dbd259e631a56784e5f72aebe5d6b2f5c5c87 (diff) | |
serial: 8250_omap: Switch to use platform_get_irq()
platform_get_irq() provides an established error code and error message.
Also, it's better to use dedicated API to retrieve Linux IRQ resource.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20200618122024.87170-1-andriy.shevchenko@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -rw-r--r-- | drivers/tty/serial/8250/8250_omap.c | 16 |
1 files changed, 10 insertions, 6 deletions
diff --git a/drivers/tty/serial/8250/8250_omap.c b/drivers/tty/serial/8250/8250_omap.c index 16cfb887c5a3..562087df7d33 100644 --- a/drivers/tty/serial/8250/8250_omap.c +++ b/drivers/tty/serial/8250/8250_omap.c @@ -1209,17 +1209,21 @@ MODULE_DEVICE_TABLE(of, omap8250_dt_ids); static int omap8250_probe(struct platform_device *pdev) { - struct resource *regs = platform_get_resource(pdev, IORESOURCE_MEM, 0); - struct resource *irq = platform_get_resource(pdev, IORESOURCE_IRQ, 0); struct device_node *np = pdev->dev.of_node; struct omap8250_priv *priv; const struct omap8250_platdata *pdata; struct uart_8250_port up; - int ret; + struct resource *regs; void __iomem *membase; + int irq, ret; + + irq = platform_get_irq(pdev, 0); + if (irq < 0) + return irq; - if (!regs || !irq) { - dev_err(&pdev->dev, "missing registers or irq\n"); + regs = platform_get_resource(pdev, IORESOURCE_MEM, 0); + if (!regs) { + dev_err(&pdev->dev, "missing registers\n"); return -EINVAL; } @@ -1236,7 +1240,7 @@ static int omap8250_probe(struct platform_device *pdev) up.port.dev = &pdev->dev; up.port.mapbase = regs->start; up.port.membase = membase; - up.port.irq = irq->start; + up.port.irq = irq; /* * It claims to be 16C750 compatible however it is a little different. * It has EFR and has no FCR7_64byte bit. The AFE (which it claims to |