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Hi jeff, Thank you for your quick reply. According to your mail I believe I had to write a SATA low-level driver only for 2.6 kernels. But I have a problem my other drivers are 2.4.25 compliant. So it is a huge work to make all other drivers 2.6 compliant and use libata-core.c. I believe it is far more easier to have 2.4.x libata rather than porting my drivers to 2.6.x. What do you suggest me ? Regards, balani On 10/25/05, Jeff Garzik <jgarzik@pobox.com> wrote: > Alan Cox wrote: > > On Maw, 2005-10-25 at 17:41 +0530, Deven Balani wrote: > > > >>Hi All! > >> > >>I am currently writing a low-level driver for non-PCI SATA controller > >>in ARM platform.which uses libata-core.c for linux-2.4.25. Can any one > >>tell me any reference code available under linux. > > > > > > At the moment its a bit hard to do a non PCI driver because the core > > code assumes that there is a device structure (or pci_dev structure) for > > everything. Fixing that is a two line change for 2.6 (probably similar > > for 2.4) but Jeff Garzik rejected it. > > In 2.6.x, libata needs no fixes to support non-PCI devices. > > An out-of-tree driver for a non-PCI embedded board exists, and works > 100%. Use of struct device and dma_xxx() means it is bus-agnostic. > That's how the whole system was designed to work -- and work, it does. > > None of this is true in 2.4.x, of course... > > Jeff > > > -- "A smile confuses an approaching frown..." - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.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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