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authorAndrew Morton <akpm@linux-foundation.org>2007-07-31 00:38:02 -0700
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-07-31 15:39:38 -0700
commit57d4810ea0d9ca58a7bcc1336607f0cede0a2abf (patch)
tree6194ce01088fbd9852579a14bd8726d9c8eef73f /sound/oss
parenta583f1b54249b11ad1ffd14c6e74d28fcbc59c07 (diff)
downloadop-kernel-dev-57d4810ea0d9ca58a7bcc1336607f0cede0a2abf.zip
op-kernel-dev-57d4810ea0d9ca58a7bcc1336607f0cede0a2abf.tar.gz
revert "x86, serial: convert legacy COM ports to platform devices"
Revert 7e92b4fc345f5b6f57585fbe5ffdb0f24d7c9b26. It broke Sébastien Dugué's machine and Jeff said (persuasively) This seems like it will break decades-long-working stuff, in favor of breaking new ground in our favorite area, "trusting the BIOS." It's just not worth it for serial ports, IMO. Serial ports are something that just shouldn't break at this late stage in the game. My new Intel platform boxes don't even have serial ports, so I question the value of messing with serial port probing even more... because... just wait a year, and your box won't have a serial port either! :) I certainly don't object to the use of platform devices (or isa_driver), but the probe change seems questionable. That's sorta analagous to rewriting the floppy driver probe routine. Sure you could do it... but why risk all that damage and go through debugging all over again? It seems clear from this report that we cannot, should not, trust BIOS for something (a) so simple and (b) that has been working for over a decade. Much discussion ensued and we've decided to have another go at all of this. Cc: Sébastien Dugué <sebastien.dugue@bull.net> Cc: Bjorn Helgaas <bjorn.helgaas@hp.com> Cc: Len Brown <lenb@kernel.org> Cc: Adam Belay <ambx1@neo.rr.com> Cc: Matthew Garrett <mjg59@srcf.ucam.org> Cc: Russell King <rmk@arm.linux.org.uk> Cc: Jeff Garzik <jeff@garzik.org> Acked-by: Alan Cox <alan@lxorguk.ukuu.org.uk> Cc: Michal Piotrowski <michal.k.k.piotrowski@gmail.com> Cc: Sascha Sommer <saschasommer@freenet.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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