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Date: Wed, 04 Apr 2007 12:58:03 -0700 (PDT) From: David Miller <davem@...emloft.net> To: rmk+lkml@....linux.org.uk Cc: dwmw2@...radead.org, paulus@...ba.org, alan@...rguk.ukuu.org.uk, flar@...andria.com, linuxppc-dev@...abs.org, linux-kernel@...r.kernel.org Subject: Re: [PATCH] Stop pmac_zilog from abusing 8250's device numbers. From: Russell King <rmk+lkml@....linux.org.uk> Date: Wed, 4 Apr 2007 10:00:16 +0100 > On Wed, Apr 04, 2007 at 01:43:30AM -0700, David Miller wrote: > > Well the "bad hack" we use on sparc gives usable serial ports, > > properly ordered and using /dev/ttyS0, with a proper matching > > console selection. > > Well yes, but it seems to have code in the architecture's early > command line parsing to parse the "console=" argument to set this > magical "serial_console" variable. > > Is this an approach you recommend for all architectures? The platform should use whatever is appropriate, and matches firmware/bios/whatever conventions, to determine this stuff. On Sparc you get an openfirmware environment variable called "output-device" that can point to a framebuffer or serial console device. The user can override this on the kernel command line, of course, and what they ask for will get translated properly. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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