Re: [PATCH] ide: legacy VLB drivers housekeeping
From: Sergei Shtylyov
Date: Mon Feb 07 2011 - 07:14:31 EST
Hello.
On 07-02-2011 13:53, Bartlomiej Zolnierkiewicz wrote:
* remove stale documentation
* remove dead ALWAYS_SET_DTC2278_PIO_MODE code from dtc2278
* remove legacy debugging code from ht6560b
There should be no functional changes caused by this patch.
Signed-off-by: Bartlomiej Zolnierkiewicz<bzolnier@xxxxxxxxx>
[...]
Index: b/drivers/ide/ali14xx.c
===================================================================
--- a/drivers/ide/ali14xx.c
+++ b/drivers/ide/ali14xx.c
@@ -7,32 +7,7 @@
*
* Works for ALI M1439/1443/1445/1487/1489 chipsets.
*
- * Adapted from code developed by derekn@xxxxxxxxxxxxxxx -ml
- * Derek's notes follow:
- *
- * I think the code should be pretty understandable,
- * but I'll be happy to (try to) answer questions.
- *
- * The critical part is in the setupDrive function. The initRegisters
- * function doesn't seem to be necessary, but the DOS driver does it, so
- * I threw it in.
- *
- * I've only tested this on my system, which only has one disk. I posted
- * it to comp.sys.linux.hardware, so maybe some other people will try it
- * out.
- *
- * Derek Noonburg (derekn@xxxxxxxxxxx)
- * 95-sep-26
- *
- * Update 96-jul-13:
- *
- * I've since upgraded to two disks and a CD-ROM, with no trouble, and
- * I've also heard from several others who have used it successfully.
- * This driver appears to work with both the 1443/1445 and the 1487/1489
- * chipsets. I've added support for PIO mode 4 for the 1487. This
- * seems to work just fine on the 1443 also, although I'm not sure it's
- * advertised as supporting mode 4. (I've been running a WDC AC21200 in
- * mode 4 for a while now with no trouble.) -Derek
+ * Adapted from code developed by Derek Noonburg<derekn@xxxxxxxxxxxxxx>. -
ml
The patch is line-wrapped...
Index: b/drivers/ide/dtc2278.c
===================================================================
--- a/drivers/ide/dtc2278.c
+++ b/drivers/ide/dtc2278.c
@@ -2,6 +2,17 @@
* Copyright (C) 1996 Linus Torvalds& author (see below)
*/
+/*
+ * Initial DTC-2278 support from Dyan Wile<andy@xxxxxxxxxxxxxx>.
+ */
+
+/*
+ * DTC2278S has only a single IDE interface
+ * DTC2278D has two IDE interfaces and is otherwise identical to the S
version
Here too...
+ * DTC2278E also has serial ports and a printer port
+ * DTC2278EB: has onboard BIOS
+ */
+
#include<linux/module.h>
#include<linux/types.h>
#include<linux/kernel.h>
@@ -17,37 +28,6 @@
#define DRV_NAME "dtc2278"
-/*
- * Changing this #undef to #define may solve start up problems in some
systems.
And here...
- */
-#undef ALWAYS_SET_DTC2278_PIO_MODE
-
-/*
- * From: andy@xxxxxxxxxxxxxx (Dyan Wile)
- *
- * Below is a patch for DTC-2278 - alike software-programmable controllers
- * The code enables the secondary IDE controller and the PIO4 (3?) timings on
- * the primary (EIDE). You may probably have to enable the 32-bit support to
- * get the full speed. You better get the disk interrupts disabled ( hdparm -
u0
- * /dev/hd.. ) for the drives connected to the EIDE interface. (I get my
- * filesystem corrupted with -u1, but under heavy disk load only :-)
- *
- * This card is now forced to use the "serialize" feature,
- * and irq-unmasking is disallowed. If io_32bit is enabled,
- * it must be done for BOTH drives on each interface.
- *
- * This code was written for the DTC2278E, but might work with any of these:
- *
- * DTC2278S has only a single IDE interface.
- * DTC2278D has two IDE interfaces and is otherwise identical to the S
version.
- * DTC2278E also has serial ports and a printer port
- * DTC2278EB: has onboard BIOS, and "works like a charm" -- Kent Bradford
<kent@xxxxxxxxxxxxxxxxxx>
And above...
Index: b/drivers/ide/ht6560b.c
===================================================================
--- a/drivers/ide/ht6560b.c
+++ b/drivers/ide/ht6560b.c
@@ -227,20 +173,10 @@ static u8 ht_pio2timings(ide_drive_t *dr
if (recovery_cycles< 2) recovery_cycles = 2;
if (active_cycles> 15) active_cycles = 15;
if (recovery_cycles> 15) recovery_cycles = 0; /* 0==16 */
-
-#ifdef DEBUG
- printk("ht6560b: drive %s setting pio=%d recovery=%d (%dns)
active=%d (%dns)\n", drive->name, pio, recovery_cycles, recovery_time,
active_cycles, active_time);
Here too...
@@ -272,10 +208,6 @@ static void ht_set_prefetch(ide_drive_t
ide_set_drivedata(drive, (void *)config);
spin_unlock_irqrestore(&ht6560b_lock, flags);
-
-#ifdef DEBUG
- printk("ht6560b: drive %s prefetch mode %sabled\n", drive->name, (state ?
"en" : "dis"));
And here.
@@ -299,10 +231,6 @@ static void ht6560b_set_pio_mode(ide_hwi
config |= timing;
ide_set_drivedata(drive, (void *)config);
spin_unlock_irqrestore(&ht6560b_lock, flags);
-
-#ifdef DEBUG
- printk("ht6560b: drive %s tuned to pio mode %#x timing=%#x\n", drive-
name, pio, timing);
Here too...
Index: b/drivers/ide/umc8672.c
===================================================================
--- a/drivers/ide/umc8672.c
+++ b/drivers/ide/umc8672.c
[...]
@@ -18,23 +17,6 @@
* add detection of possible race condition -ml
*/
-/*
- * VLB Controller Support from
- * Wolfram Podien
- * Rohoefe 3
- * D28832 Achim
- * Germany
- *
- * To enable UMC8672 support there must a lilo line like
- * append="ide0=umc8672"...
- * To set the speed according to the abilities of the hardware there must be
a
- * line like
- * #define UMC_DRIVE0 11
- * in the beginning of the driver, which sets the speed of drive 0 to 11
(there
And above...
WBR, Sergei
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