linux-kernel - Re: [PATCH][7/8] kgdb: exclusive use kgdb8250 uart I/O driver

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Message-ID: <47ADF4C1.6010508@windriver.com>
Date:	Sat, 09 Feb 2008 12:45:21 -0600
From:	Jason Wessel <jason.wessel@...driver.com>
To:	Jan Kiszka <jan.kiszka@....de>
CC:	linux-kernel@...r.kernel.org, linux-serial@...r.kernel.org,
	Ingo Molnar <mingo@...e.hu>,
	Thomas Gleixner <tglx@...utronix.de>
Subject: Re: [PATCH][7/8] kgdb: exclusive use kgdb8250 uart I/O driver

Jan Kiszka wrote:
> There are a few things I missed in my last cleanup round, please fold
> them in, they reduce the changes outside kgdb. (I bet that membase
> dumping was related to mmio vs. mmap configuration, right?)
>
>   

That is correct, the right thing to do is remove the code.

I folded your patch into patch #7 and refreshed the git archive.

Thanks,
Jason.

> --- linux-2.6-kgdb.orig/drivers/serial/Kconfig
> +++ linux-2.6-kgdb/drivers/serial/Kconfig
> @@ -121,7 +121,7 @@ config SERIAL_8250_CS
>  
>  config SERIAL_8250_NR_UARTS
>  	int "Maximum number of 8250/16550 serial ports"
> -	depends on SERIAL_8250 || KGDB_8250
> +	depends on SERIAL_8250
>  	default "4"
>  	help
>  	  Set this to the number of serial ports you want the driver
> --- linux-2.6-kgdb.orig/drivers/serial/serial_core.c
> +++ linux-2.6-kgdb/drivers/serial/serial_core.c
> @@ -1685,9 +1685,6 @@ static int uart_line_info(char *buf, str
>  			mmio ? (unsigned long long)port->mapbase
>  			     : (unsigned long long) port->iobase,
>  			port->irq);
> -	if (port->iotype == UPIO_MEM)
> -		ret += sprintf(buf+ret, " membase 0x%08lX",
> -					   (unsigned long) port->membase);
>  
>  	if (port->type == PORT_UNKNOWN) {
>  		strcat(buf, "\n");
> @@ -2130,9 +2127,7 @@ uart_report_port(struct uart_driver *drv
>  	case UPIO_TSI:
>  	case UPIO_DWAPB:
>  		snprintf(address, sizeof(address),
> -			 "MMIO 0x%llx mem 0x%p",
> -			 (unsigned long long)port->mapbase,
> -			 port->membase);
> +			 "MMIO 0x%llx", (unsigned long long)port->mapbase);
>  		break;
>  	default:
>  		strlcpy(address, "*unknown*", sizeof(address));
> --- linux-2.6-kgdb.orig/include/linux/serial_8250.h
> +++ linux-2.6-kgdb/include/linux/serial_8250.h
> @@ -58,7 +58,6 @@ struct uart_port;
>  
>  int serial8250_register_port(struct uart_port *);
>  void serial8250_unregister_port(int line);
> -void serial8250_unregister_by_port(struct uart_port *port);
>  void serial8250_suspend_port(int line);
>  void serial8250_resume_port(int line);
>  int serial8250_get_port_def(struct uart_port *port, int line);
>   

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