Commit 83c35180 authored by Tony Lindgren's avatar Tony Lindgren Committed by Greg Kroah-Hartman
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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: 84a9582f ("serial: core: Start managing serial controllers to enable runtime PM")
Reported-by: default avatarAndy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: default avatarAndy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: default avatarTony Lindgren <tony@atomide.com>
Link: https://lore.kernel.org/r/20230725054216.45696-2-tony@atomide.com


Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 28206984

include/linux/serial_core.h

+1 −1
Original line number Diff line number Diff line
@@ -459,7 +459,7 @@ struct uart_port { 
						struct serial_rs485 *rs485);

	int			(*iso7816_config)(struct uart_port *,

						  struct serial_iso7816 *iso7816);

	int			ctrl_id;		/* optional serial core controller id */

	unsigned int		ctrl_id;		/* optional serial core controller id */

	unsigned int		irq;			/* irq number */

	unsigned long		irqflags;		/* irq flags  */

	unsigned int		uartclk;		/* base uart clock */