linux-kernel - Re: [PATCH 07/10] drivers/pci: make host/pcie-rcar.c explicitly non-modular

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Message-ID: <20151217160631.GA2772@windriver.com>
Date:	Thu, 17 Dec 2015 11:06:31 -0500
From:	Paul Gortmaker <paul.gortmaker@...driver.com>
To:	Phil Edworthy <phil.edworthy@...esas.com>
CC:	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Simon Horman <horms@...ge.net.au>,
	Bjorn Helgaas <bhelgaas@...gle.com>,
	linux-pci <linux-pci@...r.kernel.org>,
	Linux-sh list <linux-sh@...r.kernel.org>,
	Geert Uytterhoeven <geert@...ux-m68k.org>
Subject: Re: [PATCH 07/10] drivers/pci: make host/pcie-rcar.c explicitly
 non-modular

[RE: [PATCH 07/10] drivers/pci: make host/pcie-rcar.c explicitly non-modular] On 17/12/2015 (Thu 11:32) Phil Edworthy wrote:

> Hi Paul,
> 
> On 13 December 2015 10:59, Geert Uytterhoeven wrote:
> > 
> > CC MODULE_AUTHOR
> > 
> > On Sun, Dec 13, 2015 at 2:41 AM, Paul Gortmaker
> > <paul.gortmaker@...driver.com> wrote:
> > > The Kconfig currently controlling compilation of this code is:
> > >
> > > drivers/pci/host/Kconfig:config PCI_RCAR_GEN2_PCIE
> > > drivers/pci/host/Kconfig:       bool "Renesas R-Car PCIe controller"
> > >
> > > ...meaning that it currently is not being built as a module by anyone.
> > >
> > > Lets remove the modular code that is essentially orphaned, so that
> > > when reading the driver there is no doubt it is builtin-only.
> > >
> > > Since module_platform_driver() uses the same init level priority as
> > > builtin_platform_driver() the init ordering remains unchanged with
> > > this commit.
> > >
> > > We don't have to disallow a driver unbind, since that is already
> > > done for us in this driver.
> > >
> > > Also note that MODULE_DEVICE_TABLE is a no-op for non-modular code.
> > >
> > > We also delete the MODULE_LICENSE tag etc. since all that information
> > > was (or is now) contained at the top of the file in the comments.
> > >
> > > Cc: Simon Horman <horms@...ge.net.au>
> > > Cc: Bjorn Helgaas <bhelgaas@...gle.com>
> > > Cc: linux-pci@...r.kernel.org
> > > Cc: linux-sh@...r.kernel.org
> > > Signed-off-by: Paul Gortmaker <paul.gortmaker@...driver.com>
> 
> It doesn't apply, would you mind rebasing onto:
> https://git.kernel.org/cgit/linux/kernel/git/helgaas/pci.git/log/?h=next
> 

Sure I can do that and just resend the 2 renesas commits if there is no
interest in tristate conversions for them.  As for the others, I'm still
awaiting feedback on what approach people want to take;  I listed what I
figured our possible options are.

Paul.
--

> As for the changes themselves,
> Acked-by: Phil Edworthy <phil.edworthy@...esas.com>
> 
> Thanks
> Phil
> 
> > > ---
> > >  drivers/pci/host/pcie-rcar.c | 11 ++++-------
> > >  1 file changed, 4 insertions(+), 7 deletions(-)
> > >
> > > diff --git a/drivers/pci/host/pcie-rcar.c b/drivers/pci/host/pcie-rcar.c
> > > index f4fa6c537448..2c619277d265 100644
> > > --- a/drivers/pci/host/pcie-rcar.c
> > > +++ b/drivers/pci/host/pcie-rcar.c
> > > @@ -7,6 +7,8 @@
> > >   *  arch/sh/drivers/pci/ops-sh7786.c
> > >   *  Copyright (C) 2009 - 2011  Paul Mundt
> > >   *
> > > + * Module Author: Phil Edworthy <phil.edworthy@...esas.com>
> > > + *
> > >   * This file is licensed under the terms of the GNU General Public
> > >   * License version 2.  This program is licensed "as is" without any
> > >   * warranty of any kind, whether express or implied.
> > > @@ -18,7 +20,7 @@
> > >  #include <linux/irq.h>
> > >  #include <linux/irqdomain.h>
> > >  #include <linux/kernel.h>
> > > -#include <linux/module.h>
> > > +#include <linux/init.h>
> > >  #include <linux/msi.h>
> > >  #include <linux/of_address.h>
> > >  #include <linux/of_irq.h>
> > > @@ -921,7 +923,6 @@ static const struct of_device_id rcar_pcie_of_match[] = {
> > >         { .compatible = "renesas,pcie-r8a7791", .data = rcar_pcie_hw_init },
> > >         {},
> > >  };
> > > -MODULE_DEVICE_TABLE(of, rcar_pcie_of_match);
> > >
> > >  static int rcar_pcie_probe(struct platform_device *pdev)
> > >  {
> > > @@ -1007,8 +1008,4 @@ static struct platform_driver rcar_pcie_driver = {
> > >         },
> > >         .probe = rcar_pcie_probe,
> > >  };
> > > -module_platform_driver(rcar_pcie_driver);
> > > -
> > > -MODULE_AUTHOR("Phil Edworthy <phil.edworthy@...esas.com>");
> > > -MODULE_DESCRIPTION("Renesas R-Car PCIe driver");
> > > -MODULE_LICENSE("GPL v2");
> > > +builtin_platform_driver(rcar_pcie_driver);
> > 
> > Gr{oetje,eeting}s,
> > 
> >                         Geert
> > 
> > --
> > Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@...ux-m68k.org
> > 
> > In personal conversations with technical people, I call myself a hacker. But
> > when I'm talking to journalists I just say "programmer" or something like that.
> >                                 -- Linus Torvalds
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