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From: "Frédéric Leroy" <fredo@starox.org>
To: u-boot@lists.denx.de
Subject: [U-Boot] [PATCH] LaCie kirkwood boards: allow disk > 2TB
Date: Thu, 13 Jun 2013 15:36:54 +0200	[thread overview]
Message-ID: <51B9CAF6.9070001@starox.org> (raw)
In-Reply-To: <20130613152115.65a4b5fb@lilith>

Le 13/06/2013 15:21, Albert ARIBAUD a ?crit :

> > I guess CONFIG_LBA48 is also broken in common/cmd_ide.c :
> > 
> > ulong ide_write(int device, ulong blknr, lbaint_t blkcnt, const void
> > *buffer)
> > {
> >     ulong n = 0;
> >     unsigned char c;
> > 
> > #ifdef CONFIG_LBA48
> >     unsigned char lba48 = 0;
> > 
> >     if (blknr & 0x0000fffff0000000ULL) {                          <= issue
> >         /* more than 28 bits used, use 48bit mode */
> >         lba48 = 1;
> >     }
> > #endif
>
> How is this broken exactly, and what is the fix?

If you have a device with 0x100000000 blocks and a target architecture
with sizeof(ulong)=32, then it will fail to switch to lba48.
The right thing to do is to use lbaint_t instead of ulong blknr.

  reply	other threads:[~2013-06-13 13:36 UTC|newest]

Thread overview: 24+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-06-10 13:30 [U-Boot] [PATCH] LaCie kirkwood boards: allow disk > 2TB Frederic Leroy
2013-06-10 13:44 ` Simon Guinot
2013-06-10 14:20   ` Frédéric Leroy
2013-06-10 14:29     ` Simon Guinot
2013-06-10 14:48       ` Albert ARIBAUD
2013-06-13 11:33 ` Albert ARIBAUD
2013-06-13 13:03   ` Frédéric Leroy
2013-06-13 13:21     ` Albert ARIBAUD
2013-06-13 13:36       ` Frédéric Leroy [this message]
2013-06-13 20:32     ` Sascha Silbe
2013-06-14 11:07       ` [U-Boot] [PATCH] Fix block device accesses beyond 2TiB Sascha Silbe
2013-06-17 20:26         ` Marek Vasut
2013-06-22 10:07           ` Albert ARIBAUD
     [not found]             ` <51C598A6.8040406@starox.org>
2013-06-22 15:31               ` Albert ARIBAUD
2013-06-24  9:46                 ` Frédéric Leroy
2013-06-24 21:13                   ` Sascha Silbe
2013-06-24 21:26                     ` [U-Boot] [PATCH] Fix ext2/ext4 filesystem " Frederic Leroy
2013-06-24 22:26                       ` Sascha Silbe
2013-06-25  6:10                         ` Frederic Leroy
2013-06-25 20:42                           ` Sascha Silbe
2013-06-26 16:11                             ` [U-Boot] [PATCH v2] " Frédéric Leroy
2013-07-11 10:41                               ` Albert ARIBAUD
2013-07-16 14:37                               ` [U-Boot] [U-Boot, " Tom Rini
2013-06-26 20:25         ` [U-Boot] Fix block device " Tom Rini

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