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

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Message-ID: <alpine.DEB.2.02.1412181440490.25208@linuxheads99>
Date:	Thu, 18 Dec 2014 14:46:15 -0600
From:	atull <atull@...nsource.altera.com>
To:	Michal Simek <michal.simek@...inx.com>
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Subject: Re: [PATCH v5 3/6] staging: fpga manager: framework core

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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