Re: [PATCH 09/17] serial/8250: Limit the omap workarounds to omap1

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On Mon, 10 Sep 2012 22:31:04 -0700
Tony Lindgren <tony@xxxxxxxxxxx> wrote:

> These workarounds do not apply for CONFIG_ARCH_OMAP2PLUS at all,
> so let's make it just CONFIG_ARCH_OMAP1.
> 
> This is needed to for ARM common zImage changes for
> omap2+ to avoid including plat and mach headers.
> 
> Cc: Alan Cox <alan@xxxxxxxxxxxxxxx>
> Cc: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
> Cc: linux-serial@xxxxxxxxxxxxxxx
> Signed-off-by: Tony Lindgren <tony@xxxxxxxxxxx>
> ---
>  drivers/tty/serial/8250/8250.c |    4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/tty/serial/8250/8250.c
> b/drivers/tty/serial/8250/8250.c index 8123f78..5b3f2fe 100644
> --- a/drivers/tty/serial/8250/8250.c
> +++ b/drivers/tty/serial/8250/8250.c
> @@ -2336,7 +2336,7 @@ serial8250_do_set_termios(struct uart_port
> *port, struct ktermios *termios, serial_port_out(port, UART_EFR, efr);
>  	}
>  
> -#ifdef CONFIG_ARCH_OMAP
> +#ifdef CONFIG_ARCH_OMAP1
>  	/* Workaround to enable 115200 baud on OMAP1510 internal
> ports */ if (cpu_is_omap1510() && is_omap_port(up)) {
>  		if (baud == 115200) {
> @@ -2426,7 +2426,7 @@ static unsigned int serial8250_port_size(struct
> uart_8250_port *pt) {
>  	if (pt->port.iotype == UPIO_AU)
>  		return 0x1000;
> -#ifdef CONFIG_ARCH_OMAP
> +#ifdef CONFIG_ARCH_OMAP1
>  	if (is_omap_port(pt))
>  		return 0x16 << pt->port.regshift;
>  #endif
> 

Acked-by: Alan Cox <alan@xxxxxxxxxxxxxxx>

Even better would be if for other cases is_omap_port and friends
returned 0...


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