serial: core: Controller id cannot be negative
The controller id cannot be negative. Let's fix the ctrl_id in preparation for adding port_id to fix the device name. Fixes: 84a9582fd203 ("serial: core: Start managing serial controllers to enable runtime PM") Reported-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Signed-off-by: Tony Lindgren <tony@atomide.com> Link: https://lore.kernel.org/r/20230725054216.45696-2-tony@atomide.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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@ -459,7 +459,7 @@ struct uart_port {
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struct serial_rs485 *rs485);
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int (*iso7816_config)(struct uart_port *,
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struct serial_iso7816 *iso7816);
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int ctrl_id; /* optional serial core controller id */
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unsigned int ctrl_id; /* optional serial core controller id */
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unsigned int irq; /* irq number */
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unsigned long irqflags; /* irq flags */
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unsigned int uartclk; /* base uart clock */
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