On Thu, Apr 24, 2014 at 09:18:43AM -0400, Santosh Shilimkar wrote: > 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 <sandeep_n@xxxxxx> > >> > >> 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 <gregkh@xxxxxxxxxxxxxxxxxxx> > >> Cc: Kumar Gala <galak@xxxxxxxxxxxxxx> > >> Cc: Olof Johansson <olof@xxxxxxxxx> > >> Cc: Arnd Bergmann <arnd@xxxxxxxx> > >> Cc: Grant Likely <grant.likely@xxxxxxxxxx> > >> Cc: Rob Herring <robh+dt@xxxxxxxxxx> > >> Cc: Mark Rutland <mark.rutland@xxxxxxx> > >> Signed-off-by: Sandeep Nair <sandeep_n@xxxxxx> > >> Signed-off-by: Santosh Shilimkar <santosh.shilimkar@xxxxxx> > >> --- > >> 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 np, cheers -- balbi
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