target/linux/ixp4xx/patches/160-nas100d_artop_temp_fix.patch

   1 From: Alan Cox <alan@redhat.com>
   2 To: Alessandro Zummo <alessandro.zummo@towertech.it>
   3 Cc: Jeff Garzik <jgarzik@redhat.com>, Alan Cox <alan@redhat.com>
   4 Subject: Re: drivers/ata/pata_artop.c
   5 Date: Sun, 15 Oct 2006 14:25:16 -0400
   6 User-Agent: Mutt/1.4.1i
   7
   8 On Sun, Oct 15, 2006 at 07:18:31PM +0200, Alessandro Zummo wrote:
   9 >  In the discovery phase there's a lot of time spent in the detection
  10 >  of the second port.
  11
  12 The error recovery is a bit determined right now - Tejun's been doing some
  13 work on SRST behaviour and also for the worst cases polled detect so it
  14 should come out ok
  15
  16 >  What's the correct way to inform the driver
  17 >  to avoid checking the second port?
  18
  19 Set the number of ports to 1 in your own tree for now. The real fix is
  20 not to go poking at pata ports if the ret is 0xFF
  21
  22 ---
  23  drivers/ata/pata_artop.c |    6 ++++++
  24  1 file changed, 6 insertions(+)
  25
  26 Index: linux-2.6.19/drivers/ata/pata_artop.c
  27 ===================================================================
  28 --- linux-2.6.19.orig/drivers/ata/pata_artop.c
  29 +++ linux-2.6.19/drivers/ata/pata_artop.c
  30 @@ -26,6 +26,7 @@
  31  #include <scsi/scsi_host.h>
  32  #include <linux/libata.h>
  33  #include <linux/ata.h>
  34 +#include <asm/mach-types.h>
  35
  36  #define DRV_NAME       "pata_artop"
  37  #define DRV_VERSION    "0.4.2"
  38 @@ -469,6 +470,11 @@ static int artop_init_one (struct pci_de
  39                 pci_read_config_byte(pdev, 0x4a, &reg);
  40                 pci_write_config_byte(pdev, 0x4a, (reg & ~0x01) | 0x80);
  41
  42 +               /* NAS100D workaround */
  43 +#ifdef CONFIG_MACH_NAS100D
  44 +               if (machine_is_nas100d())
  45 +                       ports = 1;
  46 +#endif
  47         }
  48
  49         BUG_ON(info == NULL);