Re: [PATCH v5 3/6] staging: fpga manager: framework core

From: atull
Date: Thu Dec 18 2014 - 15:46:35 EST


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
>
>
>
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