From mboxrd@z Thu Jan 1 00:00:00 1970 From: akpm@linux-foundation.org Subject: [patch 04/18] via-rhine: disable rx_copybreak on archs that don't allow unaligned DMA access Date: Fri, 10 Aug 2007 14:05:15 -0700 Message-ID: <200708102105.l7AL5FUp008954@imap1.linux-foundation.org> Cc: netdev@vger.kernel.org, akpm@linux-foundation.org, jailbird@alcatraz.fdf.net, ink@jurassic.park.msu.ru, romieu@fr.zoreil.com To: jeff@garzik.org Return-path: Received: from smtp2.linux-foundation.org ([207.189.120.14]:48371 "EHLO smtp2.linux-foundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1759294AbXHJVG3 (ORCPT ); Fri, 10 Aug 2007 17:06:29 -0400 Sender: netdev-owner@vger.kernel.org List-Id: netdev.vger.kernel.org From: Dustin Marquess Patch to disable the rx_copybreak feature on hardware architectures that don't allow unaligned DMA access. #ifdef code taken from tulip_core.c. Problem pointed out by Ivan Kokshaysky. Signed-off-by: Dustin Marquess Cc: Francois Romieu Cc: Ivan Kokshaysky Cc: Jeff Garzik Signed-off-by: Andrew Morton --- drivers/net/via-rhine.c | 6 ++++++ 1 files changed, 6 insertions(+) diff -puN drivers/net/via-rhine.c~via-rhine-disable-rx_copybreak-on-archs-that drivers/net/via-rhine.c --- a/drivers/net/via-rhine.c~via-rhine-disable-rx_copybreak-on-archs-that +++ a/drivers/net/via-rhine.c @@ -42,7 +42,13 @@ static int max_interrupt_work = 20; /* Set the copy breakpoint for the copy-only-tiny-frames scheme. Setting to > 1518 effectively disables this feature. */ +#if defined(__alpha__) || defined(__arm__) || defined(__hppa__) \ + || defined(CONFIG_SPARC) || defined(__ia64__) \ + || defined(__sh__) || defined(__mips__) +static int rx_copybreak = 1518; +#else static int rx_copybreak; +#endif /* Work-around for broken BIOSes: they are unable to get the chip back out of power state D3 so PXE booting fails. bootparam(7): via-rhine.avoid_D3=1 */ _