Re: [PATCH 1/3] SSB EXTIF timing & serial port initialization

[Michael Buesch <mb@bu3sch.de>]

On Monday 06 August 2007, Aurelien Jarno wrote:
> The patch below adds a new file drivers/ssb/driver_extif.c which
> contains new SSB EXTIF functions to initializes the timing and the
> serial ports.
> 
> Cc: Felix Fietkau <nbd@openwrt.org>
> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>

> +#ifdef CONFIG_SSB_SERIAL
> +static bool serial_exists(u8 *regs)
> +{
> +	u8 save_mcr, msr = 0;
> +
> +	if (regs) {
> +		save_mcr = regs[UART_MCR];
> +		regs[UART_MCR] = (UART_MCR_LOOP | UART_MCR_OUT2 | UART_MCR_RTS);
> +		msr = regs[UART_MSR] & (UART_MSR_DCD | UART_MSR_RI \
                                                                 ^^^^^
Backslash?

> +					| UART_MSR_CTS | UART_MSR_DSR);
> +		regs[UART_MCR] = save_mcr;
> +	}
> +	return (msr == (UART_MSR_DCD | UART_MSR_CTS));
> +}