Re: [2.6 patch] remove the obsolete IDEPCI_FLAG_FORCE_PDC

["Bartlomiej Zolnierkiewicz" <bzolnier@gmail.com>]

On 4/7/06, Adrian Bunk <bunk@stusta.de> wrote:
> On Mon, Mar 27, 2006 at 04:40:20PM +0200, Bartlomiej Zolnierkiewicz wrote:
> > On 3/27/06, Sergei Shtylylov <sshtylyov@ru.mvista.com> wrote:
> >...
> > > >               .flags          = IDEPCI_FLAG_FORCE_PDC,
> > >
> > >     A late question: wasn't that IDEPCI_FLAG_FORCE_PDC flag there for the same
> > > purpose -- to bypass enablebits check? Wasn't it enough?
> >
> > It was for the same purpose but it wasn't enough,
> > now this flag can die...
>
> IOW, we want the patch below?

Yes.  Could you please add my ACK and forward it to akpm?

> > Bartlomiej
>
> cu
> Adrian
>
>
> <--  snip  -->
>
>
> This patch removes the obsolete IDEPCI_FLAG_FORCE_PDC.
>
> Noted by Sergei Shtylylov <sshtylyov@ru.mvista.com>
>
> Signed-off-by: Adrian Bunk <bunk@stusta.de>
>
> ---
>
>  drivers/ide/pci/pdc202xx_old.c |    2 --
>  drivers/ide/setup-pci.c        |   13 -------------
>  include/linux/ide.h            |    1 -
>  3 files changed, 16 deletions(-)
>
> --- linux-2.6.17-rc1-mm1-full/include/linux/ide.h.old   2006-04-07 00:51:49.000000000 +0200
> +++ linux-2.6.17-rc1-mm1-full/include/linux/ide.h       2006-04-07 00:52:03.000000000 +0200
> @@ -1221,7 +1221,6 @@
>  enum {
>         /* Uses ISA control ports not PCI ones. */
>         IDEPCI_FLAG_ISA_PORTS           = (1 << 0),
> -       IDEPCI_FLAG_FORCE_PDC           = (1 << 1),
>  };
>
>  typedef struct ide_pci_device_s {
> --- linux-2.6.17-rc1-mm1-full/drivers/ide/pci/pdc202xx_old.c.old        2006-04-07 00:52:13.000000000 +0200
> +++ linux-2.6.17-rc1-mm1-full/drivers/ide/pci/pdc202xx_old.c    2006-04-07 00:52:19.000000000 +0200
> @@ -798,7 +798,6 @@
>                 .autodma        = AUTODMA,
>                 .bootable       = OFF_BOARD,
>                 .extra          = 48,
> -               .flags          = IDEPCI_FLAG_FORCE_PDC,
>         },{     /* 2 */
>                 .name           = "PDC20263",
>                 .init_setup     = init_setup_pdc202ata4,
> @@ -819,7 +818,6 @@
>                 .autodma        = AUTODMA,
>                 .bootable       = OFF_BOARD,
>                 .extra          = 48,
> -               .flags          = IDEPCI_FLAG_FORCE_PDC,
>         },{     /* 4 */
>                 .name           = "PDC20267",
>                 .init_setup     = init_setup_pdc202xx,
> --- linux-2.6.17-rc1-mm1-full/drivers/ide/setup-pci.c.old       2006-04-07 00:52:27.000000000 +0200
> +++ linux-2.6.17-rc1-mm1-full/drivers/ide/setup-pci.c   2006-04-07 00:54:28.000000000 +0200
> @@ -580,7 +580,6 @@
>         int port;
>         int at_least_one_hwif_enabled = 0;
>         ide_hwif_t *hwif, *mate = NULL;
> -       static int secondpdc = 0;
>         u8 tmp;
>
>         index->all = 0xf0f0;
> @@ -592,21 +591,9 @@
>         for (port = 0; port <= 1; ++port) {
>                 ide_pci_enablebit_t *e = &(d->enablebits[port]);
>
> -               /*
> -                * If this is a Promise FakeRaid controller,
> -                * the 2nd controller will be marked as
> -                * disabled while it is actually there and enabled
> -                * by the bios for raid purposes.
> -                * Skip the normal "is it enabled" test for those.
> -                */
> -               if ((d->flags & IDEPCI_FLAG_FORCE_PDC) &&
> -                   (secondpdc++==1) && (port==1))
> -                       goto controller_ok;
> -
>                 if (e->reg && (pci_read_config_byte(dev, e->reg, &tmp) ||
>                     (tmp & e->mask) != e->val))
>                         continue;       /* port not enabled */
> -controller_ok:
>
>                 if (d->channels <= port)
>                         break;
-
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