On Fri, Oct 17, 2008 at 11:08:25PM +0900, Atsushi Nemoto wrote: > This is the driver for the Toshiba TX4939 SoC ATA controller. > > This controller has standard ATA taskfile registers and DMA > command/status registers, but the register layout is swapped on big > endian. There are some other endian issue and some special registers > which requires many custom dma_ops/tp_ops routines and build_dmatable. > > Signed-off-by: Atsushi Nemoto <anemo@xxxxxxxxxxxxx> > --- > This patch is against current linux-mips tree. > > Changes since v3: > * more consistent symbol naming > * handle only DMA mode in set_dma_mode > * rename tx4939ide_read_and_clear_dma_status to tx4939ide_clear_dma_status > * use standard ide_read_sff_dma_status in LE mode > * remove CS5530 workaround from tx4939ide_build_dmatable > * use ide_host_alloc/ide_host_register instead of ide_host_alloc > * fold tx4939ide_insw_swap into tx4939ide_input_data_swap > * more informative printk > * whitespace cleanups and spelling fixes > > drivers/ide/Kconfig | 6 + > drivers/ide/mips/Makefile | 1 + > drivers/ide/mips/tx4939ide.c | 755 ++++++++++++++++++++++++++++++++++++++++++ Btw, I don't think architecture specific subdirectories in subsystems are generally usefull. Just as in this example this IDE controller happens only to be in use on a particular MIPS-based SOC but there is nothing really architecture specific in most such devices. Ralf