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| author | Andy Shevchenko <andriy.shevchenko@linux.intel.com> | 2024-08-12 18:47:07 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2024-08-14 08:22:50 +0200 |
| commit | 4596d2bd551d847dd7380979f064b17b8d41562e (patch) | |
| tree | d108277dfd4416edc3700caa8c564c8ac71d8930 /drivers/tty | |
| parent | 32e0a658752d9822f7b37299696c624cff6979d6 (diff) | |
| download | linux-4596d2bd551d847dd7380979f064b17b8d41562e.tar.gz linux-4596d2bd551d847dd7380979f064b17b8d41562e.tar.bz2 linux-4596d2bd551d847dd7380979f064b17b8d41562e.zip | |
serial: 8250_platform: Switch to use platform_get_mem_or_io()
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>
Diffstat (limited to 'drivers/tty')
| -rw-r--r-- | drivers/tty/serial/8250/8250_platform.c | 20 |
1 files changed, 11 insertions, 9 deletions
diff --git a/drivers/tty/serial/8250/8250_platform.c b/drivers/tty/serial/8250/8250_platform.c index 526953442f47..5953ce5ea32a 100644 --- a/drivers/tty/serial/8250/8250_platform.c +++ b/drivers/tty/serial/8250/8250_platform.c @@ -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*/ |