Re: [PATCH] Add pata_pdc_2ß27x to Kconfig and Makefile (was: Re: libata PATA patch for 2.6.16-rc5)

[Christian Trefzer <ctrefzer@gmx.de>]

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Hi Alan,

the pata_pdc2027x driver works flawlessly AFAICT - the only weird thing about it would
be some duplicated init messages in dmesg:

pata_pdc2027x 0000:00:0c.0: version 0.73
ACPI: PCI Interrupt Link [LNKD] enabled at IRQ 3
PCI: setting IRQ 3 as level-triggered
ACPI: PCI Interrupt 0000:00:0c.0[A] -> Link [LNKD] -> GSI 3 (level, low) -> IRQ 3
pata_pdc2027x 0000:00:0c.0: PLL input clock 20020 kHz
ata3: PATA max UDMA/133 cmd 0xF08217C0 ctl 0xF0821FDA bmdma 0xF0821000 irq 3
ata4: PATA max UDMA/133 cmd 0xF08215C0 ctl 0xF0821DDA bmdma 0xF0821008 irq 3
ata3: dev 0 cfg 49:2f00 82:346b 83:7f01 84:4003 85:3c69 86:3e01 87:4003 88:407f
ata3: dev 0 ATA-7, max UDMA/133, 234493056 sectors: LBA48
ata3: dev 0 configured for UDMA/133
scsi2 : pata_pdc2027x
ata4: dev 0 cfg 49:2f00 82:346b 83:7f01 84:4003 85:3c69 86:3e01 87:4003 88:407f
ata4: dev 0 ATA-7, max UDMA/133, 234493056 sectors: LBA48
ata4: dev 0 configured for UDMA/133
scsi3 : pata_pdc2027x
  Vendor: ATA       Model: SAMSUNG SV1203N   Rev: TQ10
  Type:   Direct-Access                      ANSI SCSI revision: 05
SCSI device sda: 234493056 512-byte hdwr sectors (120060 MB)
sda: Write Protect is off
sda: Mode Sense: 00 3a 00 00
SCSI device sda: drive cache: write back
SCSI device sda: 234493056 512-byte hdwr sectors (120060 MB)
sda: Write Protect is off
sda: Mode Sense: 00 3a 00 00
SCSI device sda: drive cache: write back
 sda: sda1 sda2
sd 2:0:0:0: Attached scsi disk sda
  Vendor: ATA       Model: SAMSUNG SV1203N   Rev: TQ10
  Type:   Direct-Access                      ANSI SCSI revision: 05
SCSI device sdb: 234493056 512-byte hdwr sectors (120060 MB)
sdb: Write Protect is off
sdb: Mode Sense: 00 3a 00 00
SCSI device sdb: drive cache: write back
SCSI device sdb: 234493056 512-byte hdwr sectors (120060 MB)
sdb: Write Protect is off
sdb: Mode Sense: 00 3a 00 00
SCSI device sdb: drive cache: write back
 sdb: sdb1 sdb2
sd 3:0:0:0: Attached scsi disk sdb

It appears to me that some part of drive detection is done twice - at
least the output is generated redundantly. If this is a bug and not a
feature, maybe one issue of the output could be trimmed in the end.

There have been rumours about some Promise controller having trouble
with UDMA6 and the Linux drivers, but I am running this configuration
for quite some time now and never had the slightest problem.


Thanks, everyone, for the good stuff : )

Chris

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