On Wed, Apr 25, 2012 at 05:59:40PM +0200, Stephen Warren wrote: > On 04/25/2012 06:15 AM, Arnd Bergmann wrote: > > On Wednesday 25 April 2012, Felipe Balbi wrote: > ... > >>> Can this driver be located under "drivers/misc"? Or is there any better place? > >> > >> maybe drivers/platform/arm/ ?? > > > > I really wouldn't want to add that directory: It has the risk of letting > > people add random crap there that may or may not be related to ARM (the > > company) and/or ARM (the architecture). > > > > I think it could go into drivers/amba/ along with the primecell bus driver. > > The two drivers are for two different aspects of the AMBA spec and don't > > actually depend on one another as far as I can tell, but it's at least > > a fitting name, and it doesn't depend on the ARM architecture, which is > > important because the driver could be used on other architectures that > > are connected to an AHB bus. > > Hiroshi, is this driver for something (registers/features) that AMBA > actually specifies? AHB might be part of AMBA (I'm not familiar enough > to know), but I don't think this aspect of Tegra's AHB bus is part of > any core AHB/AMBA specification, rather than being some Tegra-specific > control over the bus (given that the registers and bits correspond to > Tegra-specific devices on the bus). > The HW controlled by this 'driver' is roughly: the AHB arbiter, glue logic between IP blocks and the AHB bus and AHB memory controller slave. All of these are tegra specific AFAIK. So I don't see much point in a generic driver. Cheers, Peter. -- To unsubscribe from this list: send the line "unsubscribe linux-tegra" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
