From: Peter Mamonov <pmamonov@gmail.com>
To: Barebox List <barebox@lists.infradead.org>
Subject: [BUG] ata: disk_ata_drive: SSD drive doesn't pass check for ata id validity
Date: Thu, 29 Oct 2015 16:04:09 +0300 [thread overview]
Message-ID: <20151029160409.2ad22e14@berta> (raw)
Hi!
Barebox refuses to deal with OCZ-VERTEX4 ssd sata drive, because:
ata1: ata id invalid
This error is triggered by the following piece of code :
static int ata_id_is_valid(const uint16_t *id)
{
if ((id[ATA_ID_FIELD_VALID] & 1) == 0) {
pr_debug("Drive's ID seems invalid\n");
return -EINVAL;
}
return 0;
}
The "id" is a sector-sized block of bytes, received after
issuing ATA_CMD_ID_ATA command.
If I remove this check, the drive works fine.
Can someone with better knowledge of ATA standard comment on this
issue?
Regards,
Peter
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next reply other threads:[~2015-10-29 13:02 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-10-29 13:04 Peter Mamonov [this message]
2015-10-30 7:31 ` [BUG] ata: disk_ata_drive: SSD drive doesn't pass check for ata id validity Sascha Hauer
2015-10-30 8:53 ` Juergen Borleis
2015-10-30 10:06 ` Peter Mamonov
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