Messages in this thread | | | Date | Tue, 5 Sep 2006 12:12:41 -0700 | From | Greg KH <> | Subject | Re: Support for TI FlashMedia (pci id 104c:8033, 104c:803b) flash card readers |
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On Sun, Sep 03, 2006 at 11:53:35AM +0200, Pierre Ossman wrote: > Greg KH wrote: > > On Sat, Sep 02, 2006 at 10:50:14PM +0200, Pierre Ossman wrote: > > > >> > >> This is a PCI device yes. Which has a number of card readers as > >> separate, hot-pluggable functions. Currently this means it interacts > >> with the block device and MMC subsystems of the kernel. As more drivers > >> pop up, the other card formats will probably get their own subsystems > >> the way MMC has. So there are three issues here: > >> > >> * Where to put the central module that handles the generic parts of the > >> chip and pulls in the other modules as needed. > >> > > > > Right now, the drivers/mmc directory has such a driver, the sdhci.c > > file, right? > > > > > > Not quite. sdhci is a vendor-neutral MMC controller driver. What I'm > talking about here is the interface-neutral portion for the Texas > Instruments multi-format card reader. > > >> * If the subfunction modules should be put with the subsystems they > >> connect to or with the main, generic module. > >> > > > > It all depends on how bit it grows over time. It is always easy to move > > files around at a later time if you so wish. > > > > For now, is the drivers/mmc/ directory acceptable? If other card > > formats show up, we can reconsider it at that time. Is that ok? > > > > Support for MemoryStick isn't that far off in the future, so it would be > preferable to get this right from the start. > > Is there no driver in the kernel that already has this design?
Not directly, no. USB-storage handles a wide range of devices like this by virtue of them following the usb storage spec (which is really just scsi).
thanks,
greg k-h - 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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