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Date: Mon, 29 Jul 2002 15:58:27 +0200
From: Kasper Dupont <kasperd@daimi.au.dk>
Organization: daimi.au.dk
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To: Alan Cox <alan@lxorguk.ukuu.org.uk>
CC: linux-kernel@vger.kernel.org, Andre Hedrick <andre@linux-ide.org>
Subject: Re: Linux 2.4.19-rc1-ac5
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Alan Cox wrote:
> 
> On Mon, 2002-07-29 at 00:06, Kasper Dupont wrote:
> roc;
> > #ifdef CONFIG_IDEDMA_AUTO
> >                 if (!noautodma)
> >                         hwif->autodma = 1;
> > #endif /* CONFIG_IDEDMA_AUTO */
> >         }
> > #endif /* CONFIG_BLK_DEV_IDEDMA */
> >
> > CONFIG_IDEDMA_AUTO will always be turned off by
> > make *config, but if I enable this option by
> > changing .config with a texteditor DMA actually
> > works.
> >
> 
> I'll take a look. That looks like an escaped piece of history

Hmm, I don't see where the historic part of this is.
It looks like it is a new option, but there is just
no way to enable it. Before the change the code would
work as if the option was enabled.

FYI I'm currently using this workaround:

diff -Nur linux.old/drivers/ide/alim15x3.c linux.new/drivers/ide/alim15x3.c
--- linux.old/drivers/ide/alim15x3.c	Mon Jul 29 02:56:13 2002
+++ linux.new/drivers/ide/alim15x3.c	Mon Jul 29 02:57:07 2002
@@ -34,6 +34,9 @@
 #include <linux/stat.h>
 #include <linux/proc_fs.h>
 
+/* For some reason this is needed and cannot be enabled in .config */
+#define CONFIG_IDEDMA_AUTO
+
 static int ali_get_info(char *buffer, char **addr, off_t offset, int count);
 extern int (*ali_display_info)(char *, char **, off_t, int);  /* ide-proc.c */
 static struct pci_dev *bmide_dev;

-- 
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