On 5/31/21 8:24 AM, Xu Yilun wrote: > On Fri, May 28, 2021 at 02:57:52PM -0700, Russ Weight wrote: >> The FPGA framework has a convention of using managed resource >> functions to allow parent drivers to manage the data structures >> allocated by the class drivers. They use an empty *_dev_release() >> function to satisfy the class driver. >> >> This is inconsistent with linux driver model. >> >> These changes remove the managed resource functions and populate >> the class dev_release callback functions. They also merge the >> create and register functions into a single register function for >> each of the fpga-mgr, fpga-region, and fpga-bridge class drivers. >> >> For more context, refer to this email thread: >> >> https://marc.info/?l=linux-fpga&m=162127412218557&w=2 >> >> I turned on the configs assocated with each of the modified files, >> but I must have been missing some dependencies, because not all >> of them compiled. I did a run-time test specifically with the >> dfl-fme infrastructure. This would have exercised the region, >> bridge, and fpga-mgr frameworks. >> >> Changelog v3 -> v4: >> - Added the compat_id parameter to fpga_mgr_register() and >> devm_fpga_mgr_register() to ensure that the compat_id is set before >> the device_register() call. >> - Added the compat_id parameter to fpga_bridge_register() to ensure > A typo ... fpga_region_register() ... Thanks Yilun - I'll fix that. - Russ > > Thanks, > Yilun > >> that the compat_id is set before the device_register() call. >> - Modified the dfl_fpga_feature_devs_enumerate() function to restore >> the fpga_region_register() call to the correct location. >> >> Changelog v2 -> v3: >> - Cleaned up comment headers for fpga_mgr_register(), fpga_bridge_register(), >> and fpga_region_register(). >> - Fixed error return on ida_simple_get() failure for fpga_mgr_register(), >> fpga_bridge_register(), and fpga_region_register(). >> - Fixed error return value for fpga_bridge_register(): ERR_PTR(ret) instead >> of NULL. >> >> Changelog v1 -> v2: >> - Restored devm_fpga_mgr_register() functionality to the fpga-mgr >> class driver, adapted for the combined create/register functionality. >> - All previous callers of devm_fpga_mgr_register() will continue to call >> devm_fpga_mgr_register(). >> - replaced unnecessary ternary operators in return statements with >> standard if conditions. >> >> Russ Weight (3): >> fpga: mgr: Use standard dev_release for class driver >> fpga: bridge: Use standard dev_release for class driver >> fpga: region: Use standard dev_release for class driver >> >> drivers/fpga/altera-cvp.c | 12 +- >> drivers/fpga/altera-fpga2sdram.c | 12 +- >> drivers/fpga/altera-freeze-bridge.c | 10 +- >> drivers/fpga/altera-hps2fpga.c | 12 +- >> drivers/fpga/altera-pr-ip-core.c | 9 +- >> drivers/fpga/altera-ps-spi.c | 10 +- >> drivers/fpga/dfl-fme-br.c | 10 +- >> drivers/fpga/dfl-fme-mgr.c | 12 +- >> drivers/fpga/dfl-fme-region.c | 12 +- >> drivers/fpga/dfl.c | 12 +- >> drivers/fpga/fpga-bridge.c | 119 +++++--------------- >> drivers/fpga/fpga-mgr.c | 168 ++++++++-------------------- >> drivers/fpga/fpga-region.c | 106 ++++-------------- >> drivers/fpga/ice40-spi.c | 10 +- >> drivers/fpga/machxo2-spi.c | 10 +- >> drivers/fpga/of-fpga-region.c | 10 +- >> drivers/fpga/socfpga-a10.c | 16 +-- >> drivers/fpga/socfpga.c | 10 +- >> drivers/fpga/stratix10-soc.c | 15 +-- >> drivers/fpga/ts73xx-fpga.c | 10 +- >> drivers/fpga/xilinx-pr-decoupler.c | 17 +-- >> drivers/fpga/xilinx-spi.c | 12 +- >> drivers/fpga/zynq-fpga.c | 16 +-- >> drivers/fpga/zynqmp-fpga.c | 10 +- >> include/linux/fpga/fpga-bridge.h | 12 +- >> include/linux/fpga/fpga-mgr.h | 19 ++-- >> include/linux/fpga/fpga-region.h | 13 +-- >> 27 files changed, 210 insertions(+), 474 deletions(-) >> >> -- >> 2.25.1
