From: Michael Buesch <mb@bu3sch.de>
To: Aurelien Jarno <aurelien@aurel32.net>
Cc: netdev@vger.kernel.org, Felix Fietkau <nbd@openwrt.org>
Subject: Re: [PATCH 1/3] SSB EXTIF timing & serial port initialization
Date: Mon, 6 Aug 2007 20:23:07 +0200 [thread overview]
Message-ID: <200708062023.08046.mb@bu3sch.de> (raw)
In-Reply-To: <20070806150447.GB24308@hall.aurel32.net>
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));
> +}
next prev parent reply other threads:[~2007-08-06 18:23 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-08-06 15:04 [PATCH 1/3] SSB EXTIF timing & serial port initialization Aurelien Jarno
2007-08-06 18:23 ` Michael Buesch [this message]
2007-08-06 18:29 ` Aurelien Jarno
2007-08-06 18:55 ` [PATCH 1/3] SSB EXTIF timing & serial port initialization (v2) Aurelien Jarno
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