On Thu, 18 Dec 2014, Michal Simek wrote: > Hi Alan, > > first of all - there are these kernel-doc warnings. > > Info(drivers/staging/fpga/fpga-mgr.c:37): Scanning doc for fpga_mgr_low_level_state > Warning(drivers/staging/fpga/fpga-mgr.c:43): No description found for return value of 'fpga_mgr_low_level_state' > Info(drivers/staging/fpga/fpga-mgr.c:51): Scanning doc for __fpga_mgr_reset > Warning(drivers/staging/fpga/fpga-mgr.c:55): No description found for return value of '__fpga_mgr_reset' > Info(drivers/staging/fpga/fpga-mgr.c:69): Scanning doc for fpga_mgr_reset > Warning(drivers/staging/fpga/fpga-mgr.c:73): No description found for return value of 'fpga_mgr_reset' > Info(drivers/staging/fpga/fpga-mgr.c:88): Scanning doc for __fpga_mgr_stage_init > Warning(drivers/staging/fpga/fpga-mgr.c:92): No description found for return value of '__fpga_mgr_stage_write_init' > Info(drivers/staging/fpga/fpga-mgr.c:108): Scanning doc for __fpga_mgr_stage_write > Warning(drivers/staging/fpga/fpga-mgr.c:115): No description found for return value of '__fpga_mgr_stage_write' > Info(drivers/staging/fpga/fpga-mgr.c:129): Scanning doc for __fpga_mgr_stage_complete > Warning(drivers/staging/fpga/fpga-mgr.c:133): No description found for return value of '__fpga_mgr_stage_write_complete' > Info(drivers/staging/fpga/fpga-mgr.c:151): Scanning doc for __fpga_mgr_write > Warning(drivers/staging/fpga/fpga-mgr.c:158): No description found for return value of '__fpga_mgr_write' > Info(drivers/staging/fpga/fpga-mgr.c:173): Scanning doc for fpga_mgr_write > Warning(drivers/staging/fpga/fpga-mgr.c:179): No description found for return value of 'fpga_mgr_write' > Info(drivers/staging/fpga/fpga-mgr.c:195): Scanning doc for fpga_mgr_firmware_write > Warning(drivers/staging/fpga/fpga-mgr.c:204): No description found for return value of 'fpga_mgr_firmware_write' > Info(drivers/staging/fpga/fpga-mgr.c:234): Scanning doc for fpga_mgr_name > Warning(drivers/staging/fpga/fpga-mgr.c:239): No description found for return value of 'fpga_mgr_name' > Info(drivers/staging/fpga/fpga-mgr.c:414): Scanning doc for fpga_mgr_register > Warning(drivers/staging/fpga/fpga-mgr.c:423): No description found for return value of 'fpga_mgr_register' > Info(drivers/staging/fpga/fpga-mgr.c:480): Scanning doc for fpga_mgr_remove > Warning(drivers/staging/fpga/fpga-mgr.c:484): No description found for parameter 'pdev' > Warning(drivers/staging/fpga/fpga-mgr.c:484): Excess function parameter 'dev' description in 'fpga_mgr_remove' > I see the warnings now. I wasn't using the '-v' option for kernel-doc. Fixed in v6. > > diff --git a/drivers/staging/fpga/Makefile b/drivers/staging/fpga/Makefile > > new file mode 100644 > > index 0000000..ff6c677 > > --- /dev/null > > +++ b/drivers/staging/fpga/Makefile > > @@ -0,0 +1,10 @@ > > +# > > +# Makefile for the fpga framework and fpga manager drivers. > > +# > > + > > +fpga-mgr-core-y += fpga-mgr.o > > remove this line - it is unused. > OK > > +static int __init fpga_mgr_dev_init(void) > > +{ > > + pr_info("FPGA Manager framework driver\n"); > > + > > + fpga_mgr_class = class_create(THIS_MODULE, "fpga_manager"); > > + if (IS_ERR(fpga_mgr_class)) > > + return PTR_ERR(fpga_mgr_class); > > + > > + fpga_mgr_class->dev_groups = fpga_mgr_groups; > > > Write this here. > if (IS_ENABLED(CONFIG_FPGA_MGR_SYSFS)) { > fpga_mgr_class->dev_groups = fpga_mgr_groups; > } > > I have tested it and it is working just fine. You can compile this > driver with SYSFS=n > The whole code is built and config option just export it. > I think it is better than having #if there. > > Greg: Is there any problem with this solution? > I'm cool with this myself. I'll add in v6. > BTW: I have pushed my branch to zero day testing system to get better coverage > Michal, I've already done that with each submission. Assuming you are referring to the kbuild test robot. Alan > Thanks, > Michal > > > -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html