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serial: 8250_pxa: Switch to use uart_read_port_properties()

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Since we have now a common helper to read port properties
use it instead of sparse home grown solution.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20240304123035.758700-13-andriy.shevchenko@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Andy Shevchenko 2024-03-04 14:27:13 +02:00 committed by Greg Kroah-Hartman
parent 664f5d035f
commit cc6628f07e
1 changed files with 9 additions and 13 deletions
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22
drivers/tty/serial/8250/8250_pxa.c
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@ -92,11 +92,7 @@ static int serial_pxa_probe(struct platform_device *pdev)
struct uart_8250_port uart = {};
struct pxa8250_data *data;
struct resource *mmres;
int irq, ret;
irq = platform_get_irq(pdev, 0);
if (irq < 0)
return irq;
int ret;
mmres = platform_get_resource(pdev, IORESOURCE_MEM, 0);
if (!mmres)
@ -114,21 +110,21 @@ static int serial_pxa_probe(struct platform_device *pdev)
if (ret)
return ret;
ret = of_alias_get_id(pdev->dev.of_node, "serial");
if (ret >= 0)
uart.port.line = ret;
uart.port.type = PORT_XSCALE;
uart.port.iotype = UPIO_MEM32;
uart.port.mapbase = mmres->start;
uart.port.regshift = 2;
uart.port.irq = irq;
uart.port.fifosize = 64;
uart.port.flags = UPF_IOREMAP | UPF_SKIP_TEST | UPF_FIXED_TYPE;
uart.port.dev = &pdev->dev;
uart.port.uartclk = clk_get_rate(data->clk);
uart.port.pm = serial_pxa_pm;
uart.port.private_data = data;
ret = uart_read_port_properties(&uart.port);
if (ret)
return ret;
uart.port.iotype = UPIO_MEM32;
uart.port.regshift = 2;
uart.port.fifosize = 64;
uart.dl_write = serial_pxa_dl_write;
ret = serial8250_register_8250_port(&uart);