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serial: 8250_uniphier: 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>
Reviewed-by: Kunihiko Hayashi <hayashi.kunihiko@socionext.com>
Tested-by: Kunihiko Hayashi <hayashi.kunihiko@socionext.com>
Link: https://lore.kernel.org/r/20240304123035.758700-15-andriy.shevchenko@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Andy Shevchenko 2024-03-04 14:27:15 +02:00 committed by Greg Kroah-Hartman
parent 266bc29dad
commit 26e8349c0d
1 changed files with 4 additions and 13 deletions
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17
drivers/tty/serial/8250/8250_uniphier.c
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@ -162,7 +162,6 @@ static int uniphier_uart_probe(struct platform_device *pdev)
struct uniphier8250_priv *priv;
struct resource *regs;
void __iomem *membase;
int irq;
int ret;
regs = platform_get_resource(pdev, IORESOURCE_MEM, 0);
@ -175,23 +174,12 @@ static int uniphier_uart_probe(struct platform_device *pdev)
if (!membase)
return -ENOMEM;
irq = platform_get_irq(pdev, 0);
if (irq < 0)
return irq;
priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL);
if (!priv)
return -ENOMEM;
memset(&up, 0, sizeof(up));
ret = of_alias_get_id(dev->of_node, "serial");
if (ret < 0) {
dev_err(dev, "failed to get alias id\n");
return ret;
}
up.port.line = ret;
priv->clk = devm_clk_get(dev, NULL);
if (IS_ERR(priv->clk)) {
dev_err(dev, "failed to get clock\n");
@ -211,7 +199,10 @@ static int uniphier_uart_probe(struct platform_device *pdev)
up.port.mapbase = regs->start;
up.port.mapsize = resource_size(regs);
up.port.membase = membase;
up.port.irq = irq;
ret = uart_read_port_properties(&up.port);
if (ret)
return ret;
up.port.type = PORT_16550A;
up.port.iotype = UPIO_MEM32;