Gitweb:     
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=278978e953a35a2ddf27f197003b29da54e31908
Commit:     278978e953a35a2ddf27f197003b29da54e31908
Parent:     ea30759643b423933ced48acdd78e5299f05295b
Author:     Sergei Shtylyov <[EMAIL PROTECTED]>
AuthorDate: Fri Jun 8 15:14:32 2007 +0200
Committer:  Bartlomiej Zolnierkiewicz <[EMAIL PROTECTED]>
CommitDate: Fri Jun 8 15:14:32 2007 +0200

    hpt366: disallow Ultra133 for HPT374
    
    Eliminate UltraATA/133 support for HPT374 -- the chip isn't capable of this 
mode
    according to the manual, and doesn't even seem to tolerate 66 MHz DPLL 
clock...
    
    Signed-off-by: Sergei Shtylyov <[EMAIL PROTECTED]>
    Cc: Geller Sandor <[EMAIL PROTECTED]>
    Signed-off-by: Bartlomiej Zolnierkiewicz <[EMAIL PROTECTED]>
---
 drivers/ide/pci/hpt366.c |    8 ++++----
 1 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/ide/pci/hpt366.c b/drivers/ide/pci/hpt366.c
index fcbc560..ce8a544 100644
--- a/drivers/ide/pci/hpt366.c
+++ b/drivers/ide/pci/hpt366.c
@@ -1,5 +1,5 @@
 /*
- * linux/drivers/ide/pci/hpt366.c              Version 1.03    May 4, 2007
+ * linux/drivers/ide/pci/hpt366.c              Version 1.04    Jun 4, 2007
  *
  * Copyright (C) 1999-2003             Andre Hedrick <[EMAIL PROTECTED]>
  * Portions Copyright (C) 2001         Sun Microsystems, Inc.
@@ -106,7 +106,8 @@
  *   switch  to calculating  PCI clock frequency based on the chip's base DPLL
  *   frequency
  * - switch to using the  DPLL clock and enable UltraATA/133 mode by default on
- *   anything  newer than HPT370/A
+ *   anything  newer than HPT370/A (except HPT374 that is not capable of this
+ *   mode according to the manual)
  * - fold PCI clock detection and DPLL setup code into init_chipset_hpt366(),
  *   also fixing the interchanged 25/40 MHz PCI clock cases for HPT36x chips;
  *   unify HPT36x/37x timing setup code and the speedproc handlers by joining
@@ -365,7 +366,6 @@ static u32 sixty_six_base_hpt37x[] = {
 };
 
 #define HPT366_DEBUG_DRIVE_INFO                0
-#define HPT374_ALLOW_ATA133_6          1
 #define HPT371_ALLOW_ATA133_6          1
 #define HPT302_ALLOW_ATA133_6          1
 #define HPT372_ALLOW_ATA133_6          1
@@ -450,7 +450,7 @@ static struct hpt_info hpt370a __devinitdata = {
 
 static struct hpt_info hpt374 __devinitdata = {
        .chip_type      = HPT374,
-       .max_mode       = HPT374_ALLOW_ATA133_6 ? 4 : 3,
+       .max_mode       = 3,
        .dpll_clk       = 48,
        .settings       = hpt37x_settings
 };
-
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