linux-kernel - Re: [PATCH v6 4/4] staging: fpga manager: add driver for socfpga fpga manager

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Message-ID: <20141219161549.GH13070@pengutronix.de>
Date:	Fri, 19 Dec 2014 17:15:49 +0100
From:	Steffen Trumtrar <s.trumtrar@...gutronix.de>
To:	atull <atull@...nsource.altera.com>
Cc:	Michal Simek <michal.simek@...inx.com>, gregkh@...uxfoundation.org,
	jgunthorpe@...idianresearch.com, hpa@...or.com, monstr@...str.eu,
	rdunlap@...radead.org, linux-kernel@...r.kernel.org,
	devicetree@...r.kernel.org, pantelis.antoniou@...sulko.com,
	robh+dt@...nel.org, grant.likely@...aro.org, iws@...o.caltech.edu,
	linux-doc@...r.kernel.org, pavel@...x.de, broonie@...nel.org,
	philip@...ister.org, rubini@...dd.com, jason@...edaemon.net,
	kyle.teske@...com, nico@...aro.org, balbi@...com,
	m.chehab@...sung.com, davidb@...eaurora.org, rob@...dley.net,
	davem@...emloft.net, cesarb@...arb.net, sameo@...ux.intel.com,
	akpm@...ux-foundation.org, linus.walleij@...aro.org,
	pawel.moll@....com, mark.rutland@....com,
	ijc+devicetree@...lion.org.uk, galak@...eaurora.org,
	devel@...verdev.osuosl.org, delicious.quinoa@...il.com,
	dinguyen@...nsource.altera.com, yvanderv@...nsource.altera.com
Subject: Re: [PATCH v6 4/4] staging: fpga manager: add driver for socfpga
 fpga manager

On Fri, Dec 19, 2014 at 09:55:34AM -0600, atull wrote:
> On Fri, 19 Dec 2014, Steffen Trumtrar wrote:
> 
> > On Fri, Dec 19, 2014 at 03:05:50PM +0100, Michal Simek wrote:
> > > On 12/19/2014 09:55 AM, Steffen Trumtrar wrote:
> > > > Hi!
> > > > 
> > > > Just a minor nitpick, but...
> > > > 
> > > > On Thu, Dec 18, 2014 at 04:29:08PM -0600, atull@...nsource.altera.com wrote:
> > > >> From: Alan Tull <atull@...nsource.altera.com>
> > > >>
> > > >> Add driver to fpga manager framework to allow configuration
> > > >> of FPGA in Altera SoCFPGA parts.
> > > >>
> > > >> Signed-off-by: Alan Tull <atull@...nsource.altera.com>
> > > >> Acked-by: Michal Simek <michal.simek@...inx.com>
> > > >> ---
> > > >> v2: fpga_manager struct now contains struct device
> > > >>     fpga_manager_register parameters now take device
> > > >>
> > > >> v3: skip a version to align versions
> > > >>
> > > >> v4: move to drivers/staging
> > > >>
> > > >> v5: fix array_size.cocci warnings
> > > >>     fix platform_no_drv_owner.cocci warnings
> > > >>     Remove .owner = THIS_MODULE
> > > >>     include asm/irq.h
> > > >>     clean up list of includes
> > > >>     use altera_fpga_reset for ops
> > > >>     use enum fpga_mgr_states or u32 as needed
> > > >>     use devm_request_irq
> > > >>     check irq <= 0 instead of == NO_IRQ
> > > >>     Use ARRAY_SIZE
> > > >>     rename altera -> socfpga
> > > >>     static const socfpga_fpga_ops
> > > >>     header moved to linux/fpga/ folder
> > > >>     remove ifdef'ed code
> > > >>     use platform_get_resource and platform_get_irq
> > > >>     move .probe and .remove lines adjacent
> > > >>     use module_platform_driver
> > > >>     use __maybe_unused
> > > >>     only need to 'if (IS_ENABLED(CONFIG_REGULATOR))' in one fn
> > > >>     fix "unsigned 'mode' is never < 0"
> > > >>
> > > >> v6: return error for (unused) default of case statement
> > > >> ---
> > > >   ^^^
> > > > 
> > > > ...if you remove these, than that changelog will not land in the final
> > > > commit which I would prefer. Nobody cares for the changelog of a
> > > > patch once it is in its final state. And this is a rather noisy one.
> > > > When someone in the future looks at this, he will see two lines of
> > > > information and 10 times that of uninteresting noise.
> > > > 
> > > > Not a dealbreaker, but just something to consider for future patches.
> > > 
> > > 
> > > When you run git-am you will see that changelog is not there.
> > > 
> > 
> > Ah, great. It seems like git-am does indeed know now how to handle this.
> > There are some commits in mainline that have this changelog added,
> > because there where two '---' lines in the patch.
> > 
> > Then go on kind sirs with whatever you where doing and don't pay any
> > attention to my comment... :-)
> > 
> > Regards,
> > Steffen
> > 
> 
> git format-patch adds the second ---
> 

Yeah, of course. But where does the first one come from?
Do you keep a changelog in your commits?
That is what git notes is for, no?!

Regards,
Steffen

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