On Wednesday 23 April 2014 09:30 PM, Felipe Balbi wrote:
> Hi,
>
> On Wed, Apr 23, 2014 at 07:46:20PM -0400, Santosh Shilimkar wrote:
>> From: Sandeep Nair <sandee...@ti.com>
>>
>> The QMSS (Queue Manager Sub System) found on Keystone SOCs is one of
>> the main hardware sub system which forms the backbone of the Keystone
>> Multi-core Navigator. QMSS consist of queue managers, packed-data structure
>> processors(PDSP), linking RAM, descriptor pools and infrastructure
>> Packet DMA.
>>
>> The Queue Manager is a hardware module that is responsible for accelerating
>> management of the packet queues. Packets are queued/de-queued by writing or
>> reading descriptor address to a particular memory mapped location. The PDSPs
>> perform QMSS related functions like accumulation, QoS, or event management.
>> Linking RAM registers are used to link the descriptors which are stored in
>> descriptor RAM. Descriptor RAM is configurable as internal or external
>> memory.
>>
>> The QMSS driver manages the PDSP setups, linking RAM regions,
>> queue pool management (allocation, push, pop and notify) and descriptor
>> pool management. The specifics on the device tree bindings for
>> QMSS can be found in:
>> Documentation/devicetree/bindings/soc/keystone-navigator-qmss.txt
>>
>> Cc: Greg Kroah-Hartman <gre...@linuxfoundation.org>
>> Cc: Kumar Gala <ga...@codeaurora.org>
>> Cc: Olof Johansson <o...@lixom.net>
>> Cc: Arnd Bergmann <a...@arndb.de>
>> Cc: Grant Likely <grant.lik...@linaro.org>
>> Cc: Rob Herring <robh...@kernel.org>
>> Cc: Mark Rutland <mark.rutl...@arm.com>
>> Signed-off-by: Sandeep Nair <sandee...@ti.com>
>> Signed-off-by: Santosh Shilimkar <santosh.shilim...@ti.com>
>> ---
>> drivers/Kconfig | 2 +
>> drivers/soc/Kconfig | 2 +
>> drivers/soc/Makefile | 5 +
>> drivers/soc/ti/Kconfig | 21 +
>> drivers/soc/ti/Makefile | 4 +
>> drivers/soc/ti/knav_qmss.h | 386 ++++++++
>> drivers/soc/ti/knav_qmss_acc.c | 591 +++++++++++++
>> drivers/soc/ti/knav_qmss_queue.c | 1814
>> ++++++++++++++++++++++++++++++++++++++
>> include/linux/soc/ti/knav_qmss.h | 90 ++
>> 9 files changed, 2915 insertions(+)
>> create mode 100644 drivers/soc/Makefile
>> create mode 100644 drivers/soc/ti/Kconfig
>> create mode 100644 drivers/soc/ti/Makefile
>> create mode 100644 drivers/soc/ti/knav_qmss.h
>> create mode 100644 drivers/soc/ti/knav_qmss_acc.c
>> create mode 100644 drivers/soc/ti/knav_qmss_queue.c
>> create mode 100644 include/linux/soc/ti/knav_qmss.h
>>
>> diff --git a/drivers/Kconfig b/drivers/Kconfig
>> index 0e87a34..8993913 100644
>> --- a/drivers/Kconfig
>> +++ b/drivers/Kconfig
>> @@ -148,6 +148,8 @@ source "drivers/remoteproc/Kconfig"
>>
>> source "drivers/rpmsg/Kconfig"
>>
>> +source "drivers/soc/Kconfig"
>
> This hunk was already in patch one but in a different offset in this
> file.
>
right.. I will drop this one... Thanks for spotting it
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