Re: [PATCH]dgrs - Fixes Warnings when CONFIG_ISA and CONFIG_PCI are not enabled

[Ashutosh Naik]

On 11/3/05, Richard Knutsson <ricknu-0@xxxxxxxxxxxxxx> wrote:
> >
> >
> >>>This patch fixes compiler warnings when CONFIG_ISA and CONFIG_PCI are
> >>>not enabled in the dgrc network driver.
> >>>
> >>>Signed-off-by: Ashutosh Naik <ashutosh.naik@xxxxxxxxx>
> >>>
> >>>--
> >>>diff -Naurp linux-2.6.14/drivers/net/dgrs.c
> >>>linux-2.6.14-git1/drivers/net/dgrs.c---
> >>>linux-2.6.14/drivers/net/dgrs.c     2005-10-28 05:32:08.000000000
> >>>+0530
> >>>+++ linux-2.6.14-git1/drivers/net/dgrs.c        2005-11-01
> >>>10:30:03.000000000 +0530
> >>>@@ -1549,8 +1549,12 @@ MODULE_PARM_DESC(nicmode, "Digi RightSwi
> >>>static int __init dgrs_init_module (void)  {
> >>>       int     i;
> >>>-       int eisacount = 0, pcicount = 0;
> >>>-
> >>>+#ifdef CONFIG_EISA
> >>>+       int eisacount = 0;
> >>>+#endif
> >>>+#ifdef CONFIG_PCI
> >>>+       int pcicount = 0;
> >>>+#endif
> >>>       /*
> >>>        *      Command line variable overrides
> >>>        *              debug=NNN
> >>>-
> >>>
> >>>
>
> >>Signed-off-by: Richard Knutsson <ricknu-0@xxxxxxxxxxxxxx>
> >>
> >>---
> >>
> >>diff -uNr a/drivers/net/dgrs.c b/drivers/net/dgrs.c
> >>--- a/drivers/net/dgrs.c        2005-08-29 01:41:01.000000000 +0200
> >>+++ b/drivers/net/dgrs.c        2005-10-26 15:53:43.000000000 +0200
> >>@@ -1549,7 +1549,7 @@
> >> static int __init dgrs_init_module (void)
> >> {
> >>        int     i;
> >>-       int eisacount = 0, pcicount = 0;
> >>+       int     count;
> >>
> >>        /*
> >>         *      Command line variable overrides
> >>@@ -1591,14 +1591,14 @@
> >>         *      Find and configure all the cards
> >>         */
> >> #ifdef CONFIG_EISA
> >>-       eisacount = eisa_driver_register(&dgrs_eisa_driver);
> >>-       if (eisacount < 0)
> >>-               return eisacount;
> >>+       count = eisa_driver_register(&dgrs_eisa_driver);
> >>+       if (count < 0)
> >>+               return count;
> >> #endif
> >> #ifdef CONFIG_PCI
> >>-       pcicount = pci_register_driver(&dgrs_pci_driver);
> >>-       if (pcicount)
> >>-               return pcicount;
> >>+       count = pci_register_driver(&dgrs_pci_driver);
> >>+       if (count)
> >>+               return count;
> >> #endif
> >>        return 0;
> >> }
> >>
> >>
> >
> >Well, both of them do the same stuff, but one of these patches needs
> >to be committed.
> >
> >Cheers
> >Ashutosh
> >
> >
> Can both CONFIG_PCI and CONFIG_EISA be undefined at the same time? If
> so, I think you patch is better.
> But on line 1015 in the dgrs.c-file (function dgrs_download()) there is
> an if-statement:
>     if (priv0->plxreg)
>     {    /* PCI bus */
>         ...
>     }
>     else
>     {    /* EISA bus */
>         ...
> from where I got the idea it needs either pci or eisa (or both). If this
> is true, I vote for my patch.

Both CONFIG_PCI and CONFIG_EISA cant be undefined at the same time,
because the device has to be on either of the 2 busses. I think your
patch is better in that case.

Cheers
Ashutosh
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