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Commit 92efbb85 authored by Christoph Hellwig's avatar Christoph Hellwig Committed by Martin K. Petersen
Browse files

scsi: dtc: remove from tree 



The driver has not seen any maintainer activity or other work that
wasn't tree wide conversion or clenaups in the entire history of
the git tree.

Signed-off-by: default avatarChristoph Hellwig <hch@lst.de>
Reviewed-by: default avatarHannes Reinicke <hare@suse.de>
Acked-by: default avatarFinn Thain <fthain@telegraphics.com.au>
Signed-off-by: default avatarMartin K. Petersen <martin.petersen@oracle.com>
parent f95819a0

Documentation/scsi/dtc3x80.txt

deleted100644 → 0
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README file for the Linux DTC3180/3280 scsi driver.

by Ray Van Tassle (rayvt@comm.mot.com)  March 1996

Based on the generic & core NCR5380 code by Drew Eckhard



SCSI device driver for the DTC 3180/3280.

Data Technology Corp---a division of Qume.



The 3280 has a standard floppy interface.



The 3180 does not.  Otherwise, they are identical.



The DTC3x80 does not support DMA but it does have Pseudo-DMA which is

supported by the driver.



Its DTC406 scsi chip is supposedly compatible with the NCR 53C400.

It is memory mapped, uses an IRQ, but no dma or io-port.  There is

internal DMA, between SCSI bus and an on-chip 128-byte buffer.  Double

buffering is done automagically by the chip.  Data is transferred

between the on-chip buffer and CPU/RAM via memory moves.



The driver detects the possible memory addresses (jumper selectable):

	CC00, DC00, C800, and D800

The possible IRQ's (jumper selectable) are:

	IRQ 10, 11, 12, 15

Parity is supported by the chip, but not by this driver.

Information can be obtained from /proc/scsi/dtc3c80/N.



Note on interrupts:



The documentation says that it can be set to interrupt whenever the

on-chip buffer needs CPU attention.  I couldn't get this to work.  So

the driver polls for data-ready in the pseudo-DMA transfer routine.

The interrupt support routines in the NCR3280.c core modules handle

scsi disconnect/reconnect, and this (mostly) works.  However.....  I

have tested it with 4 totally different hard drives (both SCSI-1 and

SCSI-2), and one CDROM drive.  Interrupts works great for all but one

specific hard drive.  For this one, the driver will eventually hang in

the transfer state.  I have tested with: "dd bs=4k count=2k

of=/dev/null if=/dev/sdb".  It reads ok for a while, then hangs.

After beating my head against this for a couple of weeks, getting

nowhere, I give up.  So.....This driver does NOT use interrupts, even

if you have the card jumpered to an IRQ.  Probably nobody will ever

care.

Documentation/scsi/scsi-parameters.txt

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@@ -34,9 +34,6 @@ parameters may be changed at runtime by the command 
			See drivers/scsi/BusLogic.c, comment before function

			BusLogic_ParseDriverOptions().



	dtc3181e=	[HW,SCSI]

			See Documentation/scsi/g_NCR5380.txt.



	eata=		[HW,SCSI]



	fdomain=	[HW,SCSI]

MAINTAINERS

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@@ -8042,13 +8042,11 @@ M: Michael Schmitz <schmitzmic@gmail.com> 
L:	linux-scsi@vger.kernel.org

S:	Maintained

F:	Documentation/scsi/g_NCR5380.txt

F:	Documentation/scsi/dtc3x80.txt

F:	drivers/scsi/NCR5380.*

F:	drivers/scsi/arm/cumana_1.c

F:	drivers/scsi/arm/oak.c

F:	drivers/scsi/atari_scsi.*

F:	drivers/scsi/dmx3191d.c

F:	drivers/scsi/dtc.*

F:	drivers/scsi/g_NCR5380.*

F:	drivers/scsi/g_NCR5380_mmio.c

F:	drivers/scsi/mac_scsi.*

drivers/scsi/Kconfig

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@@ -637,20 +637,6 @@ config SCSI_DMX3191D 
	  To compile this driver as a module, choose M here: the

	  module will be called dmx3191d.



config SCSI_DTC3280

	tristate "DTC3180/3280 SCSI support"

	depends on ISA && SCSI

	select SCSI_SPI_ATTRS

	select CHECK_SIGNATURE

	help

	  This is support for DTC 3180/3280 SCSI Host Adapters.  Please read

	  the SCSI-HOWTO, available from

	  <http://www.tldp.org/docs.html#howto>, and the file

	  <file:Documentation/scsi/dtc3x80.txt>.



	  To compile this driver as a module, choose M here: the

	  module will be called dtc.



config SCSI_EATA

	tristate "EATA ISA/EISA/PCI (DPT and generic EATA/DMA-compliant boards) support"

	depends on (ISA || EISA || PCI) && SCSI && ISA_DMA_API

drivers/scsi/Makefile

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@@ -90,7 +90,6 @@ obj-$(CONFIG_SCSI_CHELSIO_FCOE) += csiostor/ 
obj-$(CONFIG_SCSI_DMX3191D)	+= dmx3191d.o

obj-$(CONFIG_SCSI_HPSA)		+= hpsa.o

obj-$(CONFIG_SCSI_SMARTPQI)	+= smartpqi/

obj-$(CONFIG_SCSI_DTC3280)	+= dtc.o

obj-$(CONFIG_SCSI_SYM53C8XX_2)	+= sym53c8xx_2/

obj-$(CONFIG_SCSI_ZALON)	+= zalon7xx.o

obj-$(CONFIG_SCSI_EATA_PIO)	+= eata_pio.o