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serial: 8250_platform: Switch to use platform_get_mem_or_io()

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Switch to use new platform_get_mem_or_io() instead of home grown analogue.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20240812154901.1068407-6-andriy.shevchenko@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Andy Shevchenko
2024-08-12 18:47:07 +03:00
committed by Greg Kroah-Hartman
parent 32e0a65875
commit 4596d2bd55
1 changed files with 11 additions and 9 deletions
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drivers/tty/serial/8250/8250_platform.c
+11 -9
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@@ -113,21 +113,23 @@ static int serial8250_platform_probe(struct platform_device *pdev)
unsigned char iotype;
int ret, line;
regs = platform_get_resource(pdev, IORESOURCE_IO, 0);
if (regs) {
regs = platform_get_mem_or_io(pdev, 0);
if (!regs)
return dev_err_probe(dev, -EINVAL, "no registers defined\n");
switch (resource_type(regs)) {
case IORESOURCE_IO:
uart.port.iobase = regs->start;
iotype = UPIO_PORT;
} else {
regs = platform_get_resource(pdev, IORESOURCE_MEM, 0);
if (!regs) {
dev_err(dev, "no registers defined\n");
return -EINVAL;
}
break;
case IORESOURCE_MEM:
uart.port.mapbase = regs->start;
uart.port.mapsize = resource_size(regs);
uart.port.flags = UPF_IOREMAP;
iotype = UPIO_MEM;
break;
default:
return -EINVAL;
}
/* Default clock frequency*/