Hi Xu, On Wed, Aug 19, 2020 at 03:45:18PM +0800, Xu Yilun wrote: > This patchset makes it possible to develop independent driver modules > for DFL private features. It also helps to leverage existing kernel > drivers to enable some IP blocks in DFL. > > Patch #1: Release the dfl mmio regions after enumeration, so that private > feature drivers could request mmio region in their own drivers. > Patch #2: Introduce the dfl bus, then dfl devices could be supported by > independent dfl drivers. > Patch #3: An example of the dfl driver for N3000 nios private feature. > > > Main changes from v1: > - Add the new Patch #1, to improve the feature id definition. > - Change the dfl bus uevent format. > - Change the dfl device's sysfs name format. > - refactor dfl_dev_add() > - Add the Patch #4 as an example of the dfl driver. > - A lot of minor fixes for comments from Hao and Tom. > > Main changes from v2: > - Add the doc for dfl-n3000-nios driver. > - Minor fixes for comments from Tom. > > Main changes from v3: > - improve the dfl devices' uevent format, 4 bits for type & 12 bits for id > - change dfl_device->type to u8 > - A dedicate field in struct dfl_feature for dfl device instance. > - error out if dfl_device already exist on dfl_devs_init(). > - Move the err log in regmap implementation, and delete > n3000_nios_writel/readl(), they have nothing to wrapper now. > - Minor fixes and comments improvement. > > Main changes from v4: > - The patch "fpga: dfl: change data type of feature id to u16" is already > applied to for-next > - Unify the naming of some functions in dfl.c > - Fix the output of fec_mode sysfs inf to "no" on 10G configuration, cause > no FEC mode could be configured for 10G. > - Change the N3000 Nios driver name from "dfl-n3000-nios" to "n3000-nios", > and also rename some structures and functions from dfl_n3000_nios_* to > n3000_nios_* > - Minor fixes and comments improvement. > > Main changes from v5: > - Fix the output of fec_mode sysfs inf to "not supported" if in 10G, > or the firmware version major < 3. > - The input param of dfl_devs_add() changes to > struct dfl_feature_platform_data. > - Minor fixes and improves comments. > > Main changes from v6: > - Rebased to 5.9-rc1. > - Improves comments. > > Xu Yilun (3): > fpga: dfl: map feature mmio resources in their own feature drivers > fpga: dfl: create a dfl bus type to support DFL devices > fpga: dfl: add support for N3000 Nios private feature > > Documentation/ABI/testing/sysfs-bus-dfl | 15 + > .../ABI/testing/sysfs-bus-dfl-devices-n3000-nios | 21 + > Documentation/fpga/dfl-n3000-nios.rst | 80 +++ > Documentation/fpga/index.rst | 1 + > drivers/fpga/Kconfig | 11 + > drivers/fpga/Makefile | 2 + > drivers/fpga/dfl-n3000-nios.c | 542 +++++++++++++++++++++ > drivers/fpga/dfl-pci.c | 24 +- > drivers/fpga/dfl.c | 449 ++++++++++++++--- > drivers/fpga/dfl.h | 93 +++- > 10 files changed, 1153 insertions(+), 85 deletions(-) > create mode 100644 Documentation/ABI/testing/sysfs-bus-dfl > create mode 100644 Documentation/ABI/testing/sysfs-bus-dfl-devices-n3000-nios > create mode 100644 Documentation/fpga/dfl-n3000-nios.rst > create mode 100644 drivers/fpga/dfl-n3000-nios.c > > -- > 2.7.4 > I'll get to your series this week, sorry for the delay. Thanks, Moritz