Re: [FIX] ide-io: increase timeout value to allow for slave wakeup

From: Mark Lord
Date: Sun Apr 23 2006 - 21:14:29 EST


Al Boldi wrote:
..
Also apply this one to get rid of this message:

hdb: set_drive_speed_status: status=0x40 { DriveReady }
ide: failed opcode was: unknown

Maybe someone on the ide list can comment on this first though.

--- 16/include/linux/ide.h.orig 2006-03-31 19:12:51.000000000 +0300
+++ 16/include/linux/ide.h 2006-04-23 13:06:32.000000000 +0300
@@ -120,7 +120,7 @@ typedef unsigned char byte; /* used ever
#define IDE_BCOUNTL_REG IDE_LCYL_REG
#define IDE_BCOUNTH_REG IDE_HCYL_REG
-#define OK_STAT(stat,good,bad) (((stat)&((good)|(bad)))==(good))
+#define OK_STAT(stat,good,bad) (((stat)&((good)|(bad)))==((stat)&(good)))
#define BAD_R_STAT (BUSY_STAT | ERR_STAT)
#define BAD_W_STAT (BAD_R_STAT | WRERR_STAT)
#define BAD_STAT (BAD_R_STAT | DRQ_STAT)


Assuming hdb is a CDROM/optical drive, then this change makes sense for that.
But I don't think it is a valid (good) change for regular ATA disks.

A more complex patch is required, one which correctly handles each drive type.

cheers
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