Messages in this thread | | | Subject | Re: [PATCH] ide_cs: Make ide_cs work with the memory space of CF-Cards if IO space is not available | From | Alan Cox <> | Date | Thu, 11 May 2006 16:52:58 +0100 |
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On Iau, 2006-05-11 at 04:10 +0200, Thomas Kleffel (maintech GmbH) wrote: > From: Thomas Kleffel <tk@maintech.de> > > this patch enables ide_cs to access CF-cards via their common memory > rather than via their IO space.
One obvious problem. Your patch simply sets io_base to an ioremap value. The ide_cs code assumes port accesses (eg it does outb() on base + 2). While outb() may happen to work on ARM on ioremap returns it doesn't on most platforms.
Alan
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