lkml.org 
[lkml]   [2006]   [Aug]   [27]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: HPA Resume patch
On Sun, 27 Aug 2006 04:42:03 -0400 Lee Trager wrote:

> This patch fixes a problem with computers that have HPA on their hard
> drive and not being able to come out of resume from RAM or disk. I've
> tested this patch on 2.6.17.x and 2.6.18-rc4 and it works great on both
> of these. This patch also fixes the bug #6840. This is my first patch to
> the kernel and I was told to e-mail the above people to get my patch
> into the kernel. If I made a mistake please be gentle and correct me ;)

Please use inline patches if your mail system supports/allows it.
Attachments make it difficult to review a patch.
(now do some cp-n-paste for comments)

+/* Bits 10 of command_set_1 and cfs_enable_1 must be equal,
+ * so on non-buggy drives we need test only one.
+ * However, we should also check whether these fields are valid.
+*/

Long comment style in Linux is:
/*
* foo bar
* comments
*/

+static inline int idedisk_supports_hpa(const struct hd_driveid *id)
+{
+ return (id->command_set_1 & 0x0400) && (id->cfs_enable_1 & 0x0400);
+}

Please use a #defined value for the 0x400.
(Yes, you just moved it from somewhere else.)

+ /* check to see if this is a hard drive
+ * if it is then checkhpa needs to be
+ * disabled */

Comment style again.

+ if(drive->media == ide_disk && idedisk_supports_hpa(drive->id))

space after "if".

+ init_idedisk_capacity(drive);


---
~Randy
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/

\
 
 \ /
  Last update: 2006-08-27 19:09    [W:0.054 / U:0.104 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site