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SubjectRe: [PATCH 2.4] decrypt/update ide help entries
Bartlomiej Zolnierkiewicz wrote:
> This patch was disccussed long time ago and nobody cared to correct it.

Hmm.. too many errors, careless duplicate entries.. ...
too many trust in trusted trees.. Me embarassed ;)

> + "Override-Enable UDMA for Promise Contr." (or "Special UDMA Feature")
> + to force UDMA mode for connected UDMA capable disk drives.
>
> It is about forcing burst UDMA transfers not UDMA mode.

Fixed

> +PROMISE PDC202{68|69|70|71|75|76|77} support
> +CONFIG_BLK_DEV_PDC202XX_NEW
[...]
> This is just copied from CONFIG_BLK_DEV_PDC202XX_OLD
> ('Ultra33') and probably is incorrect for newer Promise controllers.

Removed the old copied one wrote something generic

> + You need to say Y here if you have a PDC20276 IDE interface but either
> + you do not have a RAID disk array, or you wish to use the Linux
> + internal RAID software (/dev/mdX).
>
> This is needed not only for PDC20276.

I think this time I took the correct chipset names upon reading
pdc202XX_old.h and pdc202XX_new.h. Please check.

> + You need to say N here if you wish to use your Promise controller to
> + control a FastTrak RAID disk array, and you you must also say Y to
> + CONFIG_BLK_DEV_ATARAID_PDC.
>
> This is incorrect.
>
> You must say Y to this option and to CONFIG_BLK_DEV_ATARAID_PDC.

Whoops, sorry. Fixed.

> If you want to correct Promise IDE help entries, do it for 2.6 first.
>

Don't know much about 2.6; if you can review this one, I can make
similar changes for 2.6 (in case options didn't change much).

Thanks,
Özkan Sezer
--- 27p2/Documentation/Configure.help.orig
+++ 27p2/Documentation/Configure.help
@@ -1309,20 +1309,22 @@

If unsure, say N.

-PROMISE PDC20246/PDC20262/PDC20265/PDC20267/PDC20268 support
+PROMISE PDC20246/PDC20262/PDC20265/PDC20267 support
CONFIG_BLK_DEV_PDC202XX_OLD
- Promise Ultra33 or PDC20246
- Promise Ultra66 or PDC20262
- Promise Ultra100 or PDC20265/PDC20267/PDC20268
+ Promise Ultra 33 [PDC20246]
+ Promise Ultra 66 [PDC20262]
+ Promise FastTrak 66 [PDC20263]
+ Promise MB Ultra 100 [PDC20265]
+ Promise Ultra 100 [PDC20267]

This driver adds up to 4 more EIDE devices sharing a single
- interrupt. This add-on card is a bootable PCI UDMA controller. Since
+ interrupt. These devices are bootable PCI UDMA controllers. Since
multiple cards can be installed and there are BIOS ROM problems that
- happen if the BIOS revisions of all installed cards (three-max) do
+ happen if the BIOS revisions of all installed cards (max of three) do
not match, the driver attempts to do dynamic tuning of the chipset
at boot-time for max-speed. Ultra33 BIOS 1.25 or newer is required
for more than one card. This card may require that you say Y to
- "Special UDMA Feature".
+ "Force Burst UDMA transfers" (old name: "Special UDMA Feature").

If you say Y here, you need to say Y to "Use DMA by default when
available" as well.
@@ -1342,22 +1344,18 @@
Promise MB FastTrak 133 [PDC20276]
Promise FastTrak 133 [PDC20277]

- This driver adds up to 4 more EIDE devices sharing a single
- interrupt. This device is a bootable PCI UDMA controller. Since
- multiple cards can be installed and there are BIOS ROM problems that
- happen if the BIOS revisions of all installed cards (max of five) do
- not match, the driver attempts to do dynamic tuning of the chipset
- at boot-time for max speed. Ultra33 BIOS 1.25 or newer is required
- for more than one card.
+ This driver adds support for the newer Udma100/133 Promise chipsets
+ listed above. These chipsets are not driven by the pdc202XX_old,
+ but by this pdc202XX_new driver.

If you say Y here, you need to say Y to "Use DMA by default when
available" as well.

If unsure, say N.

-Special UDMA Feature
+Force Burst UDMA transfers
CONFIG_PDC202XX_BURST
- This option causes the pdc202xx driver to enable UDMA modes on the
+ This option causes "pdc202xx_old" driver to enable UDMA modes on the
PDC202xx even when the PDC202xx BIOS has not done so.

It was originally designed for the PDC20246/Ultra33, whose BIOS will
@@ -1365,14 +1363,33 @@
used successfully on a PDC20265/Ultra100, allowing use of UDMA modes
when the PDC20265 BIOS has been disabled (for faster boot up).

- Please read the comments at the top of
- <file:drivers/ide/pci/pdc202xx_old.c>.
+ (Please read the comments in <file:drivers/ide/pci/pdc202xx_old.c>
+ about this option.)

If unsure, say N.

-Special FastTrak Feature
+Use FastTrak RAID capable device as plain IDE controller
CONFIG_PDC202XX_FORCE
- For FastTrak enable overriding BIOS.
+ This option has effect on Promise chipsets PDC20270 and PDC20276
+ while using the pdc202xx_new driver.
+
+ Setting this option causes the kernel to use your Promise IDE disk
+ controller as an ordinary IDE controller, rather than as a FastTrak
+ RAID controller (RAID is a system for using multiple physical disks
+ as one virtual disk).
+
+ You need to say Y here if you have one of the above mentioned IDE
+ interfaces, but either you do not have a RAID disk array, or you
+ wish to use the Linux internal RAID software (/dev/mdX).
+
+ If you wish to use your Promise controller to control a FastTrak
+ RAID disk array, you need to say Y here AND you you must also say Y
+ to CONFIG_BLK_DEV_ATARAID_PDC.
+
+ This option also has effect on the chipsets run by the pdc202xx_old
+ driver ( PDC202{46|62|63|65|67} ).
+
+ If unsure, say Y.

SiS5513 chipset support
CONFIG_BLK_DEV_SIS5513
--- 27p2/drivers/ide/Config.in.orig
+++ 27p2/drivers/ide/Config.in
@@ -64,10 +64,10 @@
dep_tristate ' NS87415 chipset support' CONFIG_BLK_DEV_NS87415 $CONFIG_BLK_DEV_IDEDMA_PCI
dep_tristate ' OPTi 82C621 chipset enhanced support (EXPERIMENTAL)' CONFIG_BLK_DEV_OPTI621 $CONFIG_EXPERIMENTAL
dep_tristate ' PROMISE PDC202{46|62|65|67} support' CONFIG_BLK_DEV_PDC202XX_OLD $CONFIG_BLK_DEV_IDEDMA_PCI
- dep_mbool ' Special UDMA Feature' CONFIG_PDC202XX_BURST $CONFIG_BLK_DEV_PDC202XX_OLD $CONFIG_BLK_DEV_IDEDMA_PCI
+ dep_mbool ' Force Burst UDMA transfers' CONFIG_PDC202XX_BURST $CONFIG_BLK_DEV_PDC202XX_OLD $CONFIG_BLK_DEV_IDEDMA_PCI
dep_tristate ' PROMISE PDC202{68|69|70|71|75|76|77} support' CONFIG_BLK_DEV_PDC202XX_NEW $CONFIG_BLK_DEV_IDEDMA_PCI
if [ "$CONFIG_BLK_DEV_PDC202XX_OLD" = "y" -o "$CONFIG_BLK_DEV_PDC202XX_OLD" = "m" -o "$CONFIG_BLK_DEV_PDC202XX_NEW" = "y" -o "$CONFIG_BLK_DEV_PDC202XX_NEW" = "m" ]; then
- bool ' Special FastTrak Feature' CONFIG_PDC202XX_FORCE
+ bool ' Use FastTrak RAID capable device as plain IDE controller' CONFIG_PDC202XX_FORCE
fi
dep_tristate ' RZ1000 chipset bugfix/support' CONFIG_BLK_DEV_RZ1000 $CONFIG_X86
dep_tristate ' SCx200 chipset support' CONFIG_BLK_DEV_SC1200 $CONFIG_BLK_DEV_IDEDMA_PCI
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