diff options
| author | Andy Shevchenko <andriy.shevchenko@linux.intel.com> | 2020-06-18 15:27:44 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2020-06-27 16:12:56 +0200 |
| commit | e914072cacb60c48f20c240ebe28414b8fbbf135 (patch) | |
| tree | 568e5cb1a270e97d7f9851e8aea94c1fe1b98f3b /drivers/tty/serial | |
| parent | 9167cc78bd3f615f0df03859b2aae668ba8f8cec (diff) | |
| download | linux-e914072cacb60c48f20c240ebe28414b8fbbf135.tar.bz2 | |
serial: 8250_pxa: 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/20200618122744.88204-1-andriy.shevchenko@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/tty/serial')
| -rw-r--r-- | drivers/tty/serial/8250/8250_pxa.c | 14 |
1 files changed, 8 insertions, 6 deletions
diff --git a/drivers/tty/serial/8250/8250_pxa.c b/drivers/tty/serial/8250/8250_pxa.c index 11612d174716..33ca98bfa5b3 100644 --- a/drivers/tty/serial/8250/8250_pxa.c +++ b/drivers/tty/serial/8250/8250_pxa.c @@ -18,7 +18,6 @@ #include <linux/serial_core.h> #include <linux/serial_reg.h> #include <linux/of.h> -#include <linux/of_irq.h> #include <linux/of_platform.h> #include <linux/platform_device.h> #include <linux/slab.h> @@ -93,12 +92,15 @@ static int serial_pxa_probe(struct platform_device *pdev) { struct uart_8250_port uart = {}; struct pxa8250_data *data; - struct resource *mmres, *irqres; - int ret; + struct resource *mmres; + int irq, ret; + + irq = platform_get_irq(pdev, 0); + if (irq < 0) + return irq; mmres = platform_get_resource(pdev, IORESOURCE_MEM, 0); - irqres = platform_get_resource(pdev, IORESOURCE_IRQ, 0); - if (!mmres || !irqres) + if (!mmres) return -ENODEV; data = devm_kzalloc(&pdev->dev, sizeof(*data), GFP_KERNEL); @@ -121,7 +123,7 @@ static int serial_pxa_probe(struct platform_device *pdev) uart.port.iotype = UPIO_MEM32; uart.port.mapbase = mmres->start; uart.port.regshift = 2; - uart.port.irq = irqres->start; + uart.port.irq = irq; uart.port.fifosize = 64; uart.port.flags = UPF_IOREMAP | UPF_SKIP_TEST | UPF_FIXED_TYPE; uart.port.dev = &pdev->dev; |