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    SubjectRe: [PATCH v2 1/3] ARM: tegra: Add AHB driver
    On Tue, 24 Apr 2012 21:56:45 +0200
    Russell King - ARM Linux <linux@arm.linux.org.uk> wrote:

    > On Tue, Apr 24, 2012 at 03:05:14PM +0300, Hiroshi DOYU wrote:
    > > The AHB Bus conforms to the AMBA Specification (Rev 2.0) Advanced
    > > High-performance Bus (AHB) architecture.
    > >
    > > The AHB Arbiter controls AHB bus master arbitration. This effectively
    > > forms a second level of arbitration for access to the memory
    > > controller through the AHB Slave Memory device. The AHB pre-fetch
    > > logic can be configured to enhance performance for devices doing
    > > sequential access. Each AHB master is assigned to either the high or
    > > low priority bin. Both Tegra20/30 have this AHB bus.
    > >
    > > Signed-off-by: Hiroshi DOYU <hdoyu@nvidia.com>
    > > Cc: Felipe Balbi <balbi@ti.com>
    > > Cc: Arnd Bergmann <arnd@arndb.de>
    > > ---
    > > Update:
    > > - Use platform_device to get info from dt dynamically.(Felipe/Arnd)
    > > ---
    > > arch/arm/mach-tegra/Makefile | 1 +
    > > arch/arm/mach-tegra/tegra-ahb.c | 285 +++++++++++++++++++++++++++++++++++++++
    > > 2 files changed, 286 insertions(+), 0 deletions(-)
    >
    > 1. I thought we weren't going to have any more drivers under
    > arch/arm

    Can this driver be located under "drivers/misc"? Or is there any better place?

    > 2. From the way you describe it above, this sounds like it should be some
    > kind of generic driver, which obtains the necessary settings to be
    > programmed into registers from (eg) DT.

    Agree.


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