netdev - Re: [PATCH] netdev: fix compile issues for !CONFIG

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Message-ID: <CAP=VYLpOJOueFfzxFGCu5cKQ9--F8CqC5JWjBxej7u=8z3K0xQ@mail.gmail.com>
Date:	Mon, 26 Mar 2012 09:38:46 -0400
From:	Paul Gortmaker <paul.gortmaker@...il.com>
To:	klassert@...hematik.tu-chemnitz.de
Cc:	netdev@...r.kernel.org, linux-mips@...ux-mips.org,
	Paul Gortmaker <paul.gortmaker@...driver.com>
Subject: Re: [PATCH] netdev: fix compile issues for !CONFIG_PCI in 3c59x

On Sun, Mar 25, 2012 at 9:11 PM, Paul Gortmaker
<paul.gortmaker@...driver.com> wrote:
> I hate to add in more #ifdef CONFIG_PCI but there are already
> quite a few in this driver, and it seems like it hasn't been
> built with CONFIG_PCI set to off in quite some time.

Actually, please scrap this patch.  The uglyness of more ifdefs
made me look at it again.  It should be do-able in a cleaner way
with stubs, and it appears this may even be similar to an old fail
from the past:

http://lkml.indiana.edu/hypermail/linux/kernel/1107.3/00109.html

I'll dig into it some more and follow up.

Thanks,
Paul.

> The
> MIPS allmodconfig (ISA/EISA based) doesn't set CONFIG_PCI
> and that is why we are here looking at this, even though any
> modern platform has had PCI since 1995 or so.
>
> Signed-off-by: Paul Gortmaker <paul.gortmaker@...driver.com>
>
> diff --git a/drivers/net/ethernet/3com/3c59x.c b/drivers/net/ethernet/3com/3c59x.c
> index e463d10..36ad150 100644
> --- a/drivers/net/ethernet/3com/3c59x.c
> +++ b/drivers/net/ethernet/3com/3c59x.c
> @@ -999,6 +999,7 @@ static int __init vortex_eisa_init(void)
>        return vortex_cards_found - orig_cards_found + eisa_found;
>  }
>
> +#ifdef CONFIG_PCI
>  /* returns count (>= 0), or negative on error */
>  static int __devinit vortex_init_one(struct pci_dev *pdev,
>                                      const struct pci_device_id *ent)
> @@ -1045,6 +1046,7 @@ static int __devinit vortex_init_one(struct pci_dev *pdev,
>  out:
>        return rc;
>  }
> +#endif
>
>  static const struct net_device_ops boomrang_netdev_ops = {
>        .ndo_open               = vortex_open,
> @@ -1177,6 +1179,7 @@ static int __devinit vortex_probe1(struct device *gendev,
>                compaq_net_device = dev;
>        }
>
> +#ifdef CONFIG_PCI
>        /* PCI-only startup logic */
>        if (pdev) {
>                /* EISA resources already marked, so only PCI needs to do this here */
> @@ -1204,6 +1207,7 @@ static int __devinit vortex_probe1(struct device *gendev,
>                        }
>                }
>        }
> +#endif
>
>        spin_lock_init(&vp->lock);
>        spin_lock_init(&vp->mii_lock);
> @@ -1321,7 +1325,7 @@ static int __devinit vortex_probe1(struct device *gendev,
>                        step, (eeprom[4]>>5) & 15, eeprom[4] & 31, eeprom[4]>>9);
>        }
>
> -
> +#ifdef CONFIG_PCI
>        if (pdev && vci->drv_flags & HAS_CB_FNS) {
>                unsigned short n;
>
> @@ -1348,6 +1352,7 @@ static int __devinit vortex_probe1(struct device *gendev,
>                        window_write16(vp, 0x0800, 0, 0);
>                }
>        }
> +#endif
>
>        /* Extract our information from the EEPROM data. */
>        vp->info1 = eeprom[13];
> @@ -3222,6 +3227,7 @@ static void acpi_set_WOL(struct net_device *dev)
>  }
>
>
> +#ifdef CONFIG_PCI
>  static void __devexit vortex_remove_one(struct pci_dev *pdev)
>  {
>        struct net_device *dev = pci_get_drvdata(pdev);
> @@ -3269,6 +3275,7 @@ static struct pci_driver vortex_driver = {
>        .id_table       = vortex_pci_tbl,
>        .driver.pm      = VORTEX_PM_OPS,
>  };
> +#endif
>
>
>  static int vortex_have_pci;
> @@ -3277,9 +3284,13 @@ static int vortex_have_eisa;
>
>  static int __init vortex_init(void)
>  {
> -       int pci_rc, eisa_rc;
> +       int eisa_rc;
> +#ifdef CONFIG_PCI
> +       int pci_rc = pci_register_driver(&vortex_driver);
> +#else
> +       int pci_rc = -ENODEV;
> +#endif
>
> -       pci_rc = pci_register_driver(&vortex_driver);
>        eisa_rc = vortex_eisa_init();
>
>        if (pci_rc == 0)
> @@ -3318,8 +3329,10 @@ static void __exit vortex_eisa_cleanup(void)
>
>  static void __exit vortex_cleanup(void)
>  {
> +#ifdef CONFIG_PCI
>        if (vortex_have_pci)
>                pci_unregister_driver(&vortex_driver);
> +#endif
>        if (vortex_have_eisa)
>                vortex_eisa_cleanup();
>  }
> --
> 1.7.9.4
>
>
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